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SubjectRe: [3.5.y.z extended stable] Linux 3.5.7.13
Date
diff --git a/Makefile b/Makefile
index 4bcb440..cfc5c91 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 5
SUBLEVEL = 7
-EXTRAVERSION = .12
+EXTRAVERSION = .13
NAME = Saber-toothed Squirrel

# *DOCUMENTATION*
diff --git a/arch/arm/configs/at91sam9g45_defconfig b/arch/arm/configs/at91sam9g45_defconfig
index 606d48f..8aab786 100644
--- a/arch/arm/configs/at91sam9g45_defconfig
+++ b/arch/arm/configs/at91sam9g45_defconfig
@@ -173,7 +173,6 @@ CONFIG_MMC=y
# CONFIG_MMC_BLOCK_BOUNCE is not set
CONFIG_SDIO_UART=m
CONFIG_MMC_ATMELMCI=y
-CONFIG_MMC_ATMELMCI_DMA=y
CONFIG_LEDS_ATMEL_PWM=y
CONFIG_LEDS_GPIO=y
CONFIG_LEDS_TRIGGER_TIMER=y
diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h
index 7eb18c1..4f009c1 100644
--- a/arch/arm/include/asm/cmpxchg.h
+++ b/arch/arm/include/asm/cmpxchg.h
@@ -233,15 +233,15 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr,
((__typeof__(*(ptr)))atomic64_cmpxchg(container_of((ptr), \
atomic64_t, \
counter), \
- (unsigned long)(o), \
- (unsigned long)(n)))
+ (unsigned long long)(o), \
+ (unsigned long long)(n)))

#define cmpxchg64_local(ptr, o, n) \
((__typeof__(*(ptr)))local64_cmpxchg(container_of((ptr), \
local64_t, \
a), \
- (unsigned long)(o), \
- (unsigned long)(n)))
+ (unsigned long long)(o), \
+ (unsigned long long)(n)))

#endif /* __LINUX_ARM_ARCH__ >= 6 */

diff --git a/arch/arm/include/asm/hardware/iop3xx.h b/arch/arm/include/asm/hardware/iop3xx.h
index 2ff2c75..7e2507f 100644
--- a/arch/arm/include/asm/hardware/iop3xx.h
+++ b/arch/arm/include/asm/hardware/iop3xx.h
@@ -37,7 +37,7 @@ extern int iop3xx_get_init_atu(void);
* IOP3XX processor registers
*/
#define IOP3XX_PERIPHERAL_PHYS_BASE 0xffffe000
-#define IOP3XX_PERIPHERAL_VIRT_BASE 0xfeffe000
+#define IOP3XX_PERIPHERAL_VIRT_BASE 0xfedfe000
#define IOP3XX_PERIPHERAL_SIZE 0x00002000
#define IOP3XX_PERIPHERAL_UPPER_PA (IOP3XX_PERIPHERAL_PHYS_BASE +\
IOP3XX_PERIPHERAL_SIZE - 1)
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 98c07d3..7c4edff 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -332,7 +332,7 @@ static void at91_dt_rstc(void)

of_id = of_match_node(rstc_ids, np);
if (!of_id)
- panic("AT91: rtsc no restart function availlable\n");
+ panic("AT91: rtsc no restart function available\n");

arm_pm_restart = of_id->data;

diff --git a/arch/arm/mach-exynos/include/mach/regs-pmu.h b/arch/arm/mach-exynos/include/mach/regs-pmu.h
index 43a99e6..20a43be 100644
--- a/arch/arm/mach-exynos/include/mach/regs-pmu.h
+++ b/arch/arm/mach-exynos/include/mach/regs-pmu.h
@@ -337,6 +337,7 @@
#define EXYNOS5_FSYS_ARM_OPTION S5P_PMUREG(0x2208)
#define EXYNOS5_ISP_ARM_OPTION S5P_PMUREG(0x2288)
#define EXYNOS5_ARM_COMMON_OPTION S5P_PMUREG(0x2408)
+#define EXYNOS5_ARM_L2_OPTION S5P_PMUREG(0x2608)
#define EXYNOS5_TOP_PWR_OPTION S5P_PMUREG(0x2C48)
#define EXYNOS5_TOP_PWR_SYSMEM_OPTION S5P_PMUREG(0x2CC8)
#define EXYNOS5_JPEG_MEM_OPTION S5P_PMUREG(0x2F48)
diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c
index 4aacb66..d054f16 100644
--- a/arch/arm/mach-exynos/pmu.c
+++ b/arch/arm/mach-exynos/pmu.c
@@ -227,6 +227,7 @@ static struct exynos_pmu_conf exynos5250_pmu_config[] = {
{ EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x2} },
{ EXYNOS5_ARM_L2_SYS_PWR_REG, { 0x3, 0x3, 0x3} },
+ { EXYNOS5_ARM_L2_OPTION, { 0x10, 0x10, 0x0 } },
{ EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
{ EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
{ EXYNOS5_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} },
@@ -352,11 +353,9 @@ static void exynos5_init_pmu(void)

/*
* SKIP_DEACTIVATE_ACEACP_IN_PWDN_BITFIELD Enable
- * MANUAL_L2RSTDISABLE_CONTROL_BITFIELD Enable
*/
tmp = __raw_readl(EXYNOS5_ARM_COMMON_OPTION);
- tmp |= (EXYNOS5_MANUAL_L2RSTDISABLE_CONTROL |
- EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN);
+ tmp |= EXYNOS5_SKIP_DEACTIVATE_ACEACP_IN_PWDN;
__raw_writel(tmp, EXYNOS5_ARM_COMMON_OPTION);

/*
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index df2534d..364e36a 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -67,11 +67,11 @@
#define LIS302_IRQ1_GPIO 181
#define LIS302_IRQ2_GPIO 180 /* Not yet in use */

-/* list all spi devices here */
+/* List all SPI devices here. Note that the list/probe order seems to matter! */
enum {
RX51_SPI_WL1251,
- RX51_SPI_MIPID, /* LCD panel */
RX51_SPI_TSC2005, /* Touch Controller */
+ RX51_SPI_MIPID, /* LCD panel */
};

static struct wl12xx_platform_data wl1251_pdata;
diff --git a/arch/arm/mach-u300/include/mach/u300-regs.h b/arch/arm/mach-u300/include/mach/u300-regs.h
index 65f87c5..cacb2af 100644
--- a/arch/arm/mach-u300/include/mach/u300-regs.h
+++ b/arch/arm/mach-u300/include/mach/u300-regs.h
@@ -101,7 +101,7 @@

#ifdef CONFIG_MACH_U300_BS335
/* Fast UART1 on U335 only */
-#define U300_UART1_BASE (U300_SLOW_PER_PHYS_BASE+0x7000)
+#define U300_UART1_BASE (U300_FAST_PER_PHYS_BASE+0x7000)
#endif

/*
diff --git a/arch/avr32/configs/favr-32_defconfig b/arch/avr32/configs/favr-32_defconfig
index 19973b0..59e4cc9 100644
--- a/arch/avr32/configs/favr-32_defconfig
+++ b/arch/avr32/configs/favr-32_defconfig
@@ -122,7 +122,6 @@ CONFIG_USB_G_SERIAL=m
CONFIG_USB_CDC_COMPOSITE=m
CONFIG_MMC=y
CONFIG_MMC_ATMELMCI=y
-CONFIG_MMC_ATMELMCI_DMA=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_ATMEL_PWM=m
diff --git a/arch/avr32/configs/merisc_defconfig b/arch/avr32/configs/merisc_defconfig
index 3befab9..65de443 100644
--- a/arch/avr32/configs/merisc_defconfig
+++ b/arch/avr32/configs/merisc_defconfig
@@ -102,7 +102,6 @@ CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_LOGO=y
CONFIG_MMC=y
CONFIG_MMC_ATMELMCI=y
-CONFIG_MMC_ATMELMCI_DMA=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_ATMEL_PWM=y
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index d81f994..762f7a6 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -45,6 +45,10 @@
#define PPC_INST_MFSPR_DSCR_MASK 0xfc1fffff
#define PPC_INST_MTSPR_DSCR 0x7c1103a6
#define PPC_INST_MTSPR_DSCR_MASK 0xfc1fffff
+#define PPC_INST_MFSPR_DSCR_USER 0x7c0302a6
+#define PPC_INST_MFSPR_DSCR_USER_MASK 0xfc1fffff
+#define PPC_INST_MTSPR_DSCR_USER 0x7c0303a6
+#define PPC_INST_MTSPR_DSCR_USER_MASK 0xfc1fffff
#define PPC_INST_SLBFEE 0x7c0007a7

#define PPC_INST_STRING 0x7c00042a
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index 557cff8..5e7e008 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -262,6 +262,8 @@ extern void rtas_progress(char *s, unsigned short hex);
extern void rtas_initialize(void);
extern int rtas_suspend_cpu(struct rtas_suspend_me_data *data);
extern int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data);
+extern int rtas_online_cpus_mask(cpumask_var_t cpus);
+extern int rtas_offline_cpus_mask(cpumask_var_t cpus);
extern int rtas_ibm_suspend_me(struct rtas_args *);

struct rtc_time;
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 9e07bd0..1a3607b 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -489,6 +489,7 @@ _GLOBAL(copy_and_flush)
sync
addi r5,r5,8
addi r6,r6,8
+ isync
blr

.align 8
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index fcec382..225e9f2 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -19,6 +19,7 @@
#include <linux/init.h>
#include <linux/capability.h>
#include <linux/delay.h>
+#include <linux/cpu.h>
#include <linux/smp.h>
#include <linux/completion.h>
#include <linux/cpumask.h>
@@ -808,6 +809,95 @@ static void rtas_percpu_suspend_me(void *info)
__rtas_suspend_cpu((struct rtas_suspend_me_data *)info, 1);
}

+enum rtas_cpu_state {
+ DOWN,
+ UP,
+};
+
+#ifndef CONFIG_SMP
+static int rtas_cpu_state_change_mask(enum rtas_cpu_state state,
+ cpumask_var_t cpus)
+{
+ if (!cpumask_empty(cpus)) {
+ cpumask_clear(cpus);
+ return -EINVAL;
+ } else
+ return 0;
+}
+#else
+/* On return cpumask will be altered to indicate CPUs changed.
+ * CPUs with states changed will be set in the mask,
+ * CPUs with status unchanged will be unset in the mask. */
+static int rtas_cpu_state_change_mask(enum rtas_cpu_state state,
+ cpumask_var_t cpus)
+{
+ int cpu;
+ int cpuret = 0;
+ int ret = 0;
+
+ if (cpumask_empty(cpus))
+ return 0;
+
+ for_each_cpu(cpu, cpus) {
+ switch (state) {
+ case DOWN:
+ cpuret = cpu_down(cpu);
+ break;
+ case UP:
+ cpuret = cpu_up(cpu);
+ break;
+ }
+ if (cpuret) {
+ pr_debug("%s: cpu_%s for cpu#%d returned %d.\n",
+ __func__,
+ ((state == UP) ? "up" : "down"),
+ cpu, cpuret);
+ if (!ret)
+ ret = cpuret;
+ if (state == UP) {
+ /* clear bits for unchanged cpus, return */
+ cpumask_shift_right(cpus, cpus, cpu);
+ cpumask_shift_left(cpus, cpus, cpu);
+ break;
+ } else {
+ /* clear bit for unchanged cpu, continue */
+ cpumask_clear_cpu(cpu, cpus);
+ }
+ }
+ }
+
+ return ret;
+}
+#endif
+
+int rtas_online_cpus_mask(cpumask_var_t cpus)
+{
+ int ret;
+
+ ret = rtas_cpu_state_change_mask(UP, cpus);
+
+ if (ret) {
+ cpumask_var_t tmp_mask;
+
+ if (!alloc_cpumask_var(&tmp_mask, GFP_TEMPORARY))
+ return ret;
+
+ /* Use tmp_mask to preserve cpus mask from first failure */
+ cpumask_copy(tmp_mask, cpus);
+ rtas_offline_cpus_mask(tmp_mask);
+ free_cpumask_var(tmp_mask);
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL(rtas_online_cpus_mask);
+
+int rtas_offline_cpus_mask(cpumask_var_t cpus)
+{
+ return rtas_cpu_state_change_mask(DOWN, cpus);
+}
+EXPORT_SYMBOL(rtas_offline_cpus_mask);
+
int rtas_ibm_suspend_me(struct rtas_args *args)
{
long state;
@@ -815,6 +905,8 @@ int rtas_ibm_suspend_me(struct rtas_args *args)
unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
struct rtas_suspend_me_data data;
DECLARE_COMPLETION_ONSTACK(done);
+ cpumask_var_t offline_mask;
+ int cpuret;

if (!rtas_service_present("ibm,suspend-me"))
return -ENOSYS;
@@ -838,11 +930,24 @@ int rtas_ibm_suspend_me(struct rtas_args *args)
return 0;
}

+ if (!alloc_cpumask_var(&offline_mask, GFP_TEMPORARY))
+ return -ENOMEM;
+
atomic_set(&data.working, 0);
atomic_set(&data.done, 0);
atomic_set(&data.error, 0);
data.token = rtas_token("ibm,suspend-me");
data.complete = &done;
+
+ /* All present CPUs must be online */
+ cpumask_andnot(offline_mask, cpu_present_mask, cpu_online_mask);
+ cpuret = rtas_online_cpus_mask(offline_mask);
+ if (cpuret) {
+ pr_err("%s: Could not bring present CPUs online.\n", __func__);
+ atomic_set(&data.error, cpuret);
+ goto out;
+ }
+
stop_topology_update();

/* Call function on all CPUs. One of us will make the
@@ -858,6 +963,14 @@ int rtas_ibm_suspend_me(struct rtas_args *args)

start_topology_update();

+ /* Take down CPUs not online prior to suspend */
+ cpuret = rtas_offline_cpus_mask(offline_mask);
+ if (cpuret)
+ pr_warn("%s: Could not restore CPUs to offline state.\n",
+ __func__);
+
+out:
+ free_cpumask_var(offline_mask);
return atomic_read(&data.error);
}
#else /* CONFIG_PPC_PSERIES */
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index ae0843f..3bb7197 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -960,7 +960,10 @@ static int emulate_instruction(struct pt_regs *regs)

#ifdef CONFIG_PPC64
/* Emulate the mfspr rD, DSCR. */
- if (((instword & PPC_INST_MFSPR_DSCR_MASK) == PPC_INST_MFSPR_DSCR) &&
+ if ((((instword & PPC_INST_MFSPR_DSCR_USER_MASK) ==
+ PPC_INST_MFSPR_DSCR_USER) ||
+ ((instword & PPC_INST_MFSPR_DSCR_MASK) ==
+ PPC_INST_MFSPR_DSCR)) &&
cpu_has_feature(CPU_FTR_DSCR)) {
PPC_WARN_EMULATED(mfdscr, regs);
rd = (instword >> 21) & 0x1f;
@@ -968,7 +971,10 @@ static int emulate_instruction(struct pt_regs *regs)
return 0;
}
/* Emulate the mtspr DSCR, rD. */
- if (((instword & PPC_INST_MTSPR_DSCR_MASK) == PPC_INST_MTSPR_DSCR) &&
+ if ((((instword & PPC_INST_MTSPR_DSCR_USER_MASK) ==
+ PPC_INST_MTSPR_DSCR_USER) ||
+ ((instword & PPC_INST_MTSPR_DSCR_MASK) ==
+ PPC_INST_MTSPR_DSCR)) &&
cpu_has_feature(CPU_FTR_DSCR)) {
PPC_WARN_EMULATED(mtdscr, regs);
rd = (instword >> 21) & 0x1f;
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 1e95556..4ec32a6 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -201,7 +201,7 @@ int __node_distance(int a, int b)
int distance = LOCAL_DISTANCE;

if (!form1_affinity)
- return distance;
+ return ((a == b) ? LOCAL_DISTANCE : REMOTE_DISTANCE);

for (i = 0; i < distance_ref_points_depth; i++) {
if (distance_lookup_table[a][i] == distance_lookup_table[b][i])
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 66519d2..de32bf6 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -99,6 +99,7 @@ spufs_new_inode(struct super_block *sb, umode_t mode)
if (!inode)
goto out;

+ inode->i_ino = get_next_ino();
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c
index 47226e0..5f997e7 100644
--- a/arch/powerpc/platforms/pseries/suspend.c
+++ b/arch/powerpc/platforms/pseries/suspend.c
@@ -16,6 +16,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

+#include <linux/cpu.h>
#include <linux/delay.h>
#include <linux/suspend.h>
#include <linux/stat.h>
@@ -126,11 +127,15 @@ static ssize_t store_hibernate(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
+ cpumask_var_t offline_mask;
int rc;

if (!capable(CAP_SYS_ADMIN))
return -EPERM;

+ if (!alloc_cpumask_var(&offline_mask, GFP_TEMPORARY))
+ return -ENOMEM;
+
stream_id = simple_strtoul(buf, NULL, 16);

do {
@@ -140,15 +145,32 @@ static ssize_t store_hibernate(struct device *dev,
} while (rc == -EAGAIN);

if (!rc) {
+ /* All present CPUs must be online */
+ cpumask_andnot(offline_mask, cpu_present_mask,
+ cpu_online_mask);
+ rc = rtas_online_cpus_mask(offline_mask);
+ if (rc) {
+ pr_err("%s: Could not bring present CPUs online.\n",
+ __func__);
+ goto out;
+ }
+
stop_topology_update();
rc = pm_suspend(PM_SUSPEND_MEM);
start_topology_update();
+
+ /* Take down CPUs not online prior to suspend */
+ if (!rtas_offline_cpus_mask(offline_mask))
+ pr_warn("%s: Could not restore CPUs to offline "
+ "state.\n", __func__);
}

stream_id = 0;

if (!rc)
rc = count;
+out:
+ free_cpumask_var(offline_mask);
return rc;
}

diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index b322741..0d6400e 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -67,6 +67,10 @@ static inline int is_zero_pfn(unsigned long pfn)

#define my_zero_pfn(addr) page_to_pfn(ZERO_PAGE(addr))

+/* TODO: s390 cannot support io_remap_pfn_range... */
+#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
+ remap_pfn_range(vma, vaddr, pfn, size, prot)
+
#endif /* !__ASSEMBLY__ */

/*
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index fe12881..68c9a958 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -339,11 +339,17 @@ config HARDWALL
config KERNEL_PL
int "Processor protection level for kernel"
range 1 2
- default "1"
+ default 2 if TILEGX
+ default 1 if !TILEGX
---help---
- This setting determines the processor protection level the
- kernel will be built to run at. Generally you should use
- the default value here.
+ Since MDE 4.2, the Tilera hypervisor runs the kernel
+ at PL2 by default. If running under an older hypervisor,
+ or as a KVM guest, you must run at PL1. (The current
+ hypervisor may also be recompiled with "make HV_PL=2" to
+ allow it to run a kernel at PL1, but clients running at PL1
+ are not expected to be supported indefinitely.)
+
+ If you're not sure, don't change the default.

endmenu # Tilera-specific configuration

diff --git a/arch/tile/include/hv/hypervisor.h b/arch/tile/include/hv/hypervisor.h
index ccd847e..837dca5 100644
--- a/arch/tile/include/hv/hypervisor.h
+++ b/arch/tile/include/hv/hypervisor.h
@@ -107,7 +107,22 @@
#define HV_DISPATCH_ENTRY_SIZE 32

/** Version of the hypervisor interface defined by this file */
-#define _HV_VERSION 11
+#define _HV_VERSION 13
+
+/** Last version of the hypervisor interface with old hv_init() ABI.
+ *
+ * The change from version 12 to version 13 corresponds to launching
+ * the client by default at PL2 instead of PL1 (corresponding to the
+ * hv itself running at PL3 instead of PL2). To make this explicit,
+ * the hv_init() API was also extended so the client can report its
+ * desired PL, resulting in a more helpful failure diagnostic. If you
+ * call hv_init() with _HV_VERSION_OLD_HV_INIT and omit the client_pl
+ * argument, the hypervisor will assume client_pl = 1.
+ *
+ * Note that this is a deprecated solution and we do not expect to
+ * support clients of the Tilera hypervisor running at PL1 indefinitely.
+ */
+#define _HV_VERSION_OLD_HV_INIT 12

/* Index into hypervisor interface dispatch code blocks.
*
@@ -377,7 +392,11 @@ typedef int HV_Errno;
#ifndef __ASSEMBLER__

/** Pass HV_VERSION to hv_init to request this version of the interface. */
-typedef enum { HV_VERSION = _HV_VERSION } HV_VersionNumber;
+typedef enum {
+ HV_VERSION = _HV_VERSION,
+ HV_VERSION_OLD_HV_INIT = _HV_VERSION_OLD_HV_INIT,
+
+} HV_VersionNumber;

/** Initializes the hypervisor.
*
@@ -385,9 +404,11 @@ typedef enum { HV_VERSION = _HV_VERSION } HV_VersionNumber;
* that this program expects, typically HV_VERSION.
* @param chip_num Architecture number of the chip the client was built for.
* @param chip_rev_num Revision number of the chip the client was built for.
+ * @param client_pl Privilege level the client is built for
+ * (not required if interface_version_number == HV_VERSION_OLD_HV_INIT).
*/
void hv_init(HV_VersionNumber interface_version_number,
- int chip_num, int chip_rev_num);
+ int chip_num, int chip_rev_num, int client_pl);


/** Queries we can make for hv_sysconf().
diff --git a/arch/tile/kernel/head_32.S b/arch/tile/kernel/head_32.S
index f71bfee..ac11530 100644
--- a/arch/tile/kernel/head_32.S
+++ b/arch/tile/kernel/head_32.S
@@ -38,7 +38,7 @@ ENTRY(_start)
movei r2, TILE_CHIP_REV
}
{
- moveli r0, _HV_VERSION
+ moveli r0, _HV_VERSION_OLD_HV_INIT
jal hv_init
}
/* Get a reasonable default ASID in r0 */
diff --git a/arch/tile/kernel/head_64.S b/arch/tile/kernel/head_64.S
index f9a2734..6093964 100644
--- a/arch/tile/kernel/head_64.S
+++ b/arch/tile/kernel/head_64.S
@@ -34,13 +34,19 @@
ENTRY(_start)
/* Notify the hypervisor of what version of the API we want */
{
+#if KERNEL_PL == 1 && _HV_VERSION == 13
+ /* Support older hypervisors by asking for API version 12. */
+ movei r0, _HV_VERSION_OLD_HV_INIT
+#else
+ movei r0, _HV_VERSION
+#endif
movei r1, TILE_CHIP
- movei r2, TILE_CHIP_REV
}
{
- moveli r0, _HV_VERSION
- jal hv_init
+ movei r2, TILE_CHIP_REV
+ movei r3, KERNEL_PL
}
+ jal hv_init
/* Get a reasonable default ASID in r0 */
{
move r0, zero
diff --git a/arch/x86/kernel/cpu/perf_event_intel_lbr.c b/arch/x86/kernel/cpu/perf_event_intel_lbr.c
index 520b426..fd1a099 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_lbr.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_lbr.c
@@ -310,7 +310,7 @@ void intel_pmu_lbr_read(void)
* - in case there is no HW filter
* - in case the HW filter has errata or limitations
*/
-static void intel_pmu_setup_sw_lbr_filter(struct perf_event *event)
+static int intel_pmu_setup_sw_lbr_filter(struct perf_event *event)
{
u64 br_type = event->attr.branch_sample_type;
int mask = 0;
@@ -318,8 +318,11 @@ static void intel_pmu_setup_sw_lbr_filter(struct perf_event *event)
if (br_type & PERF_SAMPLE_BRANCH_USER)
mask |= X86_BR_USER;

- if (br_type & PERF_SAMPLE_BRANCH_KERNEL)
+ if (br_type & PERF_SAMPLE_BRANCH_KERNEL) {
+ if (perf_paranoid_kernel() && !capable(CAP_SYS_ADMIN))
+ return -EACCES;
mask |= X86_BR_KERNEL;
+ }

/* we ignore BRANCH_HV here */

@@ -339,6 +342,8 @@ static void intel_pmu_setup_sw_lbr_filter(struct perf_event *event)
* be used by fixup code for some CPU
*/
event->hw.branch_reg.reg = mask;
+
+ return 0;
}

/*
@@ -386,7 +391,9 @@ int intel_pmu_setup_lbr_filter(struct perf_event *event)
/*
* setup SW LBR filter
*/
- intel_pmu_setup_sw_lbr_filter(event);
+ ret = intel_pmu_setup_sw_lbr_filter(event);
+ if (ret)
+ return ret;

/*
* setup HW LBR filter, if any
@@ -442,8 +449,18 @@ static int branch_type(unsigned long from, unsigned long to)
return X86_BR_NONE;

addr = buf;
- } else
- addr = (void *)from;
+ } else {
+ /*
+ * The LBR logs any address in the IP, even if the IP just
+ * faulted. This means userspace can control the from address.
+ * Ensure we don't blindy read any address by validating it is
+ * a known text address.
+ */
+ if (kernel_text_address(from))
+ addr = (void *)from;
+ else
+ return X86_BR_NONE;
+ }

/*
* decoder needs to know the ABI especially
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 3dafc60..a14a835 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -165,10 +165,6 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
u64 arch_irq_stat(void)
{
u64 sum = atomic_read(&irq_err_count);
-
-#ifdef CONFIG_X86_IO_APIC
- sum += atomic_read(&irq_mis_count);
-#endif
return sum;
}

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 61593fd..eed06fc 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -4920,6 +4920,12 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu)
if (err != EMULATE_DONE)
return 0;

+ if (vcpu->arch.halt_request) {
+ vcpu->arch.halt_request = 0;
+ ret = kvm_emulate_halt(vcpu);
+ goto out;
+ }
+
if (signal_pending(current))
goto out;
if (need_resched())
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 4e4dcda..4779d7c 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -45,11 +45,15 @@ static void __init find_early_table_space(struct map_range *mr, int nr_range)
int i;
unsigned long puds = 0, pmds = 0, ptes = 0, tables;
unsigned long start = 0, good_end;
+ unsigned long pgd_extra = 0;
phys_addr_t base;

for (i = 0; i < nr_range; i++) {
unsigned long range, extra;

+ if ((mr[i].end >> PGDIR_SHIFT) - (mr[i].start >> PGDIR_SHIFT))
+ pgd_extra++;
+
range = mr[i].end - mr[i].start;
puds += (range + PUD_SIZE - 1) >> PUD_SHIFT;

@@ -74,6 +78,7 @@ static void __init find_early_table_space(struct map_range *mr, int nr_range)
tables = roundup(puds * sizeof(pud_t), PAGE_SIZE);
tables += roundup(pmds * sizeof(pmd_t), PAGE_SIZE);
tables += roundup(ptes * sizeof(pte_t), PAGE_SIZE);
+ tables += (pgd_extra * PAGE_SIZE);

#ifdef CONFIG_X86_32
/* for fixmap */
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 0b4f9c7..29f714e 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -141,6 +141,21 @@ static void xen_vcpu_setup(int cpu)

BUG_ON(HYPERVISOR_shared_info == &xen_dummy_shared_info);

+ /*
+ * This path is called twice on PVHVM - first during bootup via
+ * smp_init -> xen_hvm_cpu_notify, and then if the VCPU is being
+ * hotplugged: cpu_up -> xen_hvm_cpu_notify.
+ * As we can only do the VCPUOP_register_vcpu_info once lets
+ * not over-write its result.
+ *
+ * For PV it is called during restore (xen_vcpu_restore) and bootup
+ * (xen_setup_vcpu_info_placement). The hotplug mechanism does not
+ * use this function.
+ */
+ if (xen_hvm_domain()) {
+ if (per_cpu(xen_vcpu, cpu) == &per_cpu(xen_vcpu_info, cpu))
+ return;
+ }
if (cpu < MAX_VIRT_CPUS)
per_cpu(xen_vcpu,cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu];

diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
index 149de45..af9f1f6 100644
--- a/drivers/acpi/acpica/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -722,7 +722,19 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,

if ((obj_desc->common_field.start_field_bit_offset == 0) &&
(obj_desc->common_field.bit_length == access_bit_width)) {
- status = acpi_ex_field_datum_io(obj_desc, 0, buffer, ACPI_READ);
+ if (buffer_length >= sizeof(u64)) {
+ status =
+ acpi_ex_field_datum_io(obj_desc, 0, buffer,
+ ACPI_READ);
+ } else {
+ /* Use raw_datum (u64) to handle buffers < 64 bits */
+
+ status =
+ acpi_ex_field_datum_io(obj_desc, 0, &raw_datum,
+ ACPI_READ);
+ ACPI_MEMCPY(buffer, &raw_datum, buffer_length);
+ }
+
return_ACPI_STATUS(status);
}

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index a51df96..f9914e5 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -217,7 +217,7 @@ static int ec_check_sci_sync(struct acpi_ec *ec, u8 state)
static int ec_poll(struct acpi_ec *ec)
{
unsigned long flags;
- int repeat = 2; /* number of command restarts */
+ int repeat = 5; /* number of command restarts */
while (repeat--) {
unsigned long delay = jiffies +
msecs_to_jiffies(ec_delay);
@@ -235,8 +235,6 @@ static int ec_poll(struct acpi_ec *ec)
}
advance_transaction(ec, acpi_ec_read_status(ec));
} while (time_before(jiffies, delay));
- if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF)
- break;
pr_debug(PREFIX "controller reset, restart transaction\n");
spin_lock_irqsave(&ec->curr_lock, flags);
start_transaction(ec);
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index ea4836e..e81cc53 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -2260,7 +2260,6 @@ static int drbd_asb_recover_1p(struct drbd_conf *mdev) __must_hold(local)
if (hg == -1 && mdev->state.role == R_PRIMARY) {
enum drbd_state_rv rv2;

- drbd_set_role(mdev, R_SECONDARY, 0);
/* drbd_change_state() does not sleep while in SS_IN_TRANSIENT_STATE,
* we might be here in C_WF_REPORT_PARAMS which is transient.
* we do not need to wait for the after state change work either. */
diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c
index cdd4c09f..a22a7a5 100644
--- a/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/drivers/char/ipmi/ipmi_bt_sm.c
@@ -95,9 +95,9 @@ struct si_sm_data {
enum bt_states state;
unsigned char seq; /* BT sequence number */
struct si_sm_io *io;
- unsigned char write_data[IPMI_MAX_MSG_LENGTH];
+ unsigned char write_data[IPMI_MAX_MSG_LENGTH + 2]; /* +2 for memcpy */
int write_count;
- unsigned char read_data[IPMI_MAX_MSG_LENGTH];
+ unsigned char read_data[IPMI_MAX_MSG_LENGTH + 2]; /* +2 for memcpy */
int read_count;
int truncated;
long timeout; /* microseconds countdown */
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index 9eb360f..d5a5f02 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -837,13 +837,25 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
return ipmi_ioctl(filep, cmd, arg);
}
}
+
+static long unlocked_compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret;
+
+ mutex_lock(&ipmi_mutex);
+ ret = compat_ipmi_ioctl(filep, cmd, arg);
+ mutex_unlock(&ipmi_mutex);
+
+ return ret;
+}
#endif

static const struct file_operations ipmi_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = ipmi_unlocked_ioctl,
#ifdef CONFIG_COMPAT
- .compat_ioctl = compat_ipmi_ioctl,
+ .compat_ioctl = unlocked_compat_ipmi_ioctl,
#endif
.open = ipmi_open,
.release = ipmi_release,
diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index b243a7e..0a28dc3 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -210,8 +210,6 @@ static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy)

cpufreq_frequency_table_get_attr(exynos_info->freq_table, policy->cpu);

- locking_frequency = exynos_getspeed(0);
-
/* set the transition latency value */
policy->cpuinfo.transition_latency = 100000;

@@ -275,6 +273,8 @@ static int __init exynos_cpufreq_init(void)
goto err_vdd_arm;
}

+ locking_frequency = exynos_getspeed(0);
+
register_pm_notifier(&exynos_cpufreq_nb);

if (cpufreq_register_driver(&exynos_driver)) {
diff --git a/drivers/cpufreq/longhaul.c b/drivers/cpufreq/longhaul.c
index 53ddbc7..0bf5bd1 100644
--- a/drivers/cpufreq/longhaul.c
+++ b/drivers/cpufreq/longhaul.c
@@ -77,7 +77,7 @@ static unsigned int longhaul_index;
static int scale_voltage;
static int disable_acpi_c3;
static int revid_errata;
-
+static int enable;

/* Clock ratios multiplied by 10 */
static int mults[32];
@@ -965,6 +965,10 @@ static int __init longhaul_init(void)
if (!x86_match_cpu(longhaul_id))
return -ENODEV;

+ if (!enable) {
+ printk(KERN_ERR PFX "Option \"enable\" not set. Aborting.\n");
+ return -ENODEV;
+ }
#ifdef CONFIG_SMP
if (num_online_cpus() > 1) {
printk(KERN_ERR PFX "More than 1 CPU detected, "
@@ -1021,6 +1025,10 @@ MODULE_PARM_DESC(scale_voltage, "Scale voltage of processor");
* such. */
module_param(revid_errata, int, 0644);
MODULE_PARM_DESC(revid_errata, "Ignore CPU Revision ID");
+/* By default driver is disabled to prevent incompatible
+ * system freeze. */
+module_param(enable, int, 0644);
+MODULE_PARM_DESC(enable, "Enable driver");

MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
MODULE_DESCRIPTION("Longhaul driver for VIA Cyrix processors.");
diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index 987ab5c..d5cbd44 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -476,7 +476,7 @@ static struct pch_dma_desc *pdc_desc_get(struct pch_dma_chan *pd_chan)
dev_dbg(chan2dev(&pd_chan->chan), "scanned %d descriptors\n", i);

if (!ret) {
- ret = pdc_alloc_desc(&pd_chan->chan, GFP_NOIO);
+ ret = pdc_alloc_desc(&pd_chan->chan, GFP_ATOMIC);
if (ret) {
spin_lock(&pd_chan->lock);
pd_chan->descs_allocated++;
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index d4af9ed..85a6eeb 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -240,6 +240,8 @@ struct ast_fbdev {
void *sysram;
int size;
struct ttm_bo_kmap_obj mapping;
+ int x1, y1, x2, y2; /* dirty rect */
+ spinlock_t dirty_lock;
};

#define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
index 2fc8e9e..853f831 100644
--- a/drivers/gpu/drm/ast/ast_fb.c
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -53,16 +53,52 @@ static void ast_dirty_update(struct ast_fbdev *afbdev,
int bpp = (afbdev->afb.base.bits_per_pixel + 7)/8;
int ret;
bool unmap = false;
+ bool store_for_later = false;
+ int x2, y2;
+ unsigned long flags;

obj = afbdev->afb.obj;
bo = gem_to_ast_bo(obj);

+ /*
+ * try and reserve the BO, if we fail with busy
+ * then the BO is being moved and we should
+ * store up the damage until later.
+ */
ret = ast_bo_reserve(bo, true);
if (ret) {
- DRM_ERROR("failed to reserve fb bo\n");
+ if (ret != -EBUSY)
+ return;
+
+ store_for_later = true;
+ }
+
+ x2 = x + width - 1;
+ y2 = y + height - 1;
+ spin_lock_irqsave(&afbdev->dirty_lock, flags);
+
+ if (afbdev->y1 < y)
+ y = afbdev->y1;
+ if (afbdev->y2 > y2)
+ y2 = afbdev->y2;
+ if (afbdev->x1 < x)
+ x = afbdev->x1;
+ if (afbdev->x2 > x2)
+ x2 = afbdev->x2;
+
+ if (store_for_later) {
+ afbdev->x1 = x;
+ afbdev->x2 = x2;
+ afbdev->y1 = y;
+ afbdev->y2 = y2;
+ spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
return;
}

+ afbdev->x1 = afbdev->y1 = INT_MAX;
+ afbdev->x2 = afbdev->y2 = 0;
+ spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
+
if (!bo->kmap.virtual) {
ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap);
if (ret) {
@@ -72,10 +108,10 @@ static void ast_dirty_update(struct ast_fbdev *afbdev,
}
unmap = true;
}
- for (i = y; i < y + height; i++) {
+ for (i = y; i <= y2; i++) {
/* assume equal stride for now */
src_offset = dst_offset = i * afbdev->afb.base.pitches[0] + (x * bpp);
- memcpy_toio(bo->kmap.virtual + src_offset, afbdev->sysram + src_offset, width * bpp);
+ memcpy_toio(bo->kmap.virtual + src_offset, afbdev->sysram + src_offset, (x2 - x + 1) * bpp);

}
if (unmap)
@@ -306,6 +342,7 @@ int ast_fbdev_init(struct drm_device *dev)

ast->fbdev = afbdev;
afbdev->helper.funcs = &ast_fb_helper_funcs;
+ spin_lock_init(&afbdev->dirty_lock);
ret = drm_fb_helper_init(dev, &afbdev->helper,
1, 1);
if (ret) {
diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c
index 6cf2ade..2a6027c 100644
--- a/drivers/gpu/drm/ast/ast_ttm.c
+++ b/drivers/gpu/drm/ast/ast_ttm.c
@@ -316,7 +316,7 @@ int ast_bo_reserve(struct ast_bo *bo, bool no_wait)

ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0);
if (ret) {
- if (ret != -ERESTARTSYS)
+ if (ret != -ERESTARTSYS && ret != -EBUSY)
DRM_ERROR("reserve failed %p\n", bo);
return ret;
}
diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.h b/drivers/gpu/drm/cirrus/cirrus_drv.h
index 64ea597..9f29a90 100644
--- a/drivers/gpu/drm/cirrus/cirrus_drv.h
+++ b/drivers/gpu/drm/cirrus/cirrus_drv.h
@@ -155,6 +155,8 @@ struct cirrus_fbdev {
struct list_head fbdev_list;
void *sysram;
int size;
+ int x1, y1, x2, y2; /* dirty rect */
+ spinlock_t dirty_lock;
};

struct cirrus_bo {
diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
index 9a276a5..774bade 100644
--- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c
+++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
@@ -27,16 +27,51 @@ static void cirrus_dirty_update(struct cirrus_fbdev *afbdev,
int bpp = (afbdev->gfb.base.bits_per_pixel + 7)/8;
int ret;
bool unmap = false;
+ bool store_for_later = false;
+ int x2, y2;
+ unsigned long flags;

obj = afbdev->gfb.obj;
bo = gem_to_cirrus_bo(obj);

+ /*
+ * try and reserve the BO, if we fail with busy
+ * then the BO is being moved and we should
+ * store up the damage until later.
+ */
ret = cirrus_bo_reserve(bo, true);
if (ret) {
- DRM_ERROR("failed to reserve fb bo\n");
+ if (ret != -EBUSY)
+ return;
+ store_for_later = true;
+ }
+
+ x2 = x + width - 1;
+ y2 = y + height - 1;
+ spin_lock_irqsave(&afbdev->dirty_lock, flags);
+
+ if (afbdev->y1 < y)
+ y = afbdev->y1;
+ if (afbdev->y2 > y2)
+ y2 = afbdev->y2;
+ if (afbdev->x1 < x)
+ x = afbdev->x1;
+ if (afbdev->x2 > x2)
+ x2 = afbdev->x2;
+
+ if (store_for_later) {
+ afbdev->x1 = x;
+ afbdev->x2 = x2;
+ afbdev->y1 = y;
+ afbdev->y2 = y2;
+ spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
return;
}

+ afbdev->x1 = afbdev->y1 = INT_MAX;
+ afbdev->x2 = afbdev->y2 = 0;
+ spin_unlock_irqrestore(&afbdev->dirty_lock, flags);
+
if (!bo->kmap.virtual) {
ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap);
if (ret) {
@@ -283,6 +318,7 @@ int cirrus_fbdev_init(struct cirrus_device *cdev)

cdev->mode_info.gfbdev = gfbdev;
gfbdev->helper.funcs = &cirrus_fb_helper_funcs;
+ spin_lock_init(&gfbdev->dirty_lock);

ret = drm_fb_helper_init(cdev->dev, &gfbdev->helper,
cdev->num_crtc, CIRRUSFB_CONN_LIMIT);
diff --git a/drivers/gpu/drm/cirrus/cirrus_ttm.c b/drivers/gpu/drm/cirrus/cirrus_ttm.c
index 50e170f..d4b1b1d 100644
--- a/drivers/gpu/drm/cirrus/cirrus_ttm.c
+++ b/drivers/gpu/drm/cirrus/cirrus_ttm.c
@@ -321,7 +321,7 @@ int cirrus_bo_reserve(struct cirrus_bo *bo, bool no_wait)

ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0);
if (ret) {
- if (ret != -ERESTARTSYS)
+ if (ret != -ERESTARTSYS && ret != -EBUSY)
DRM_ERROR("reserve failed %p\n", bo);
return ret;
}
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index d58e69d..debd559 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -205,11 +205,11 @@ static void
drm_gem_remove_prime_handles(struct drm_gem_object *obj, struct drm_file *filp)
{
if (obj->import_attach) {
- drm_prime_remove_imported_buf_handle(&filp->prime,
+ drm_prime_remove_buf_handle(&filp->prime,
obj->import_attach->dmabuf);
}
if (obj->export_dma_buf) {
- drm_prime_remove_imported_buf_handle(&filp->prime,
+ drm_prime_remove_buf_handle(&filp->prime,
obj->export_dma_buf);
}
}
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index f546ff9..6497c53 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -61,6 +61,7 @@ struct drm_prime_member {
struct dma_buf *dma_buf;
uint32_t handle;
};
+static int drm_prime_add_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle);

int drm_gem_prime_handle_to_fd(struct drm_device *dev,
struct drm_file *file_priv, uint32_t handle, uint32_t flags,
@@ -68,7 +69,8 @@ int drm_gem_prime_handle_to_fd(struct drm_device *dev,
{
struct drm_gem_object *obj;
void *buf;
- int ret;
+ int ret = 0;
+ struct dma_buf *dmabuf;

obj = drm_gem_object_lookup(dev, file_priv, handle);
if (!obj)
@@ -77,43 +79,44 @@ int drm_gem_prime_handle_to_fd(struct drm_device *dev,
mutex_lock(&file_priv->prime.lock);
/* re-export the original imported object */
if (obj->import_attach) {
- get_dma_buf(obj->import_attach->dmabuf);
- *prime_fd = dma_buf_fd(obj->import_attach->dmabuf, flags);
- drm_gem_object_unreference_unlocked(obj);
- mutex_unlock(&file_priv->prime.lock);
- return 0;
+ dmabuf = obj->import_attach->dmabuf;
+ goto out_have_obj;
}

if (obj->export_dma_buf) {
- get_dma_buf(obj->export_dma_buf);
- *prime_fd = dma_buf_fd(obj->export_dma_buf, flags);
- drm_gem_object_unreference_unlocked(obj);
- } else {
- buf = dev->driver->gem_prime_export(dev, obj, flags);
- if (IS_ERR(buf)) {
- /* normally the created dma-buf takes ownership of the ref,
- * but if that fails then drop the ref
- */
- drm_gem_object_unreference_unlocked(obj);
- mutex_unlock(&file_priv->prime.lock);
- return PTR_ERR(buf);
- }
- obj->export_dma_buf = buf;
- *prime_fd = dma_buf_fd(buf, flags);
+ dmabuf = obj->export_dma_buf;
+ goto out_have_obj;
}
+
+ buf = dev->driver->gem_prime_export(dev, obj, flags);
+ if (IS_ERR(buf)) {
+ /* normally the created dma-buf takes ownership of the ref,
+ * but if that fails then drop the ref
+ */
+ ret = PTR_ERR(buf);
+ goto out;
+ }
+ obj->export_dma_buf = buf;
+
/* if we've exported this buffer the cheat and add it to the import list
* so we get the correct handle back
*/
- ret = drm_prime_add_imported_buf_handle(&file_priv->prime,
- obj->export_dma_buf, handle);
- if (ret) {
- drm_gem_object_unreference_unlocked(obj);
- mutex_unlock(&file_priv->prime.lock);
- return ret;
- }
+ ret = drm_prime_add_buf_handle(&file_priv->prime,
+ obj->export_dma_buf, handle);
+ if (ret)
+ goto out;

+ *prime_fd = dma_buf_fd(buf, flags);
mutex_unlock(&file_priv->prime.lock);
return 0;
+
+out_have_obj:
+ get_dma_buf(dmabuf);
+ *prime_fd = dma_buf_fd(dmabuf, flags);
+out:
+ drm_gem_object_unreference_unlocked(obj);
+ mutex_unlock(&file_priv->prime.lock);
+ return ret;
}
EXPORT_SYMBOL(drm_gem_prime_handle_to_fd);

@@ -130,7 +133,7 @@ int drm_gem_prime_fd_to_handle(struct drm_device *dev,

mutex_lock(&file_priv->prime.lock);

- ret = drm_prime_lookup_imported_buf_handle(&file_priv->prime,
+ ret = drm_prime_lookup_buf_handle(&file_priv->prime,
dma_buf, handle);
if (!ret) {
ret = 0;
@@ -149,7 +152,7 @@ int drm_gem_prime_fd_to_handle(struct drm_device *dev,
if (ret)
goto out_put;

- ret = drm_prime_add_imported_buf_handle(&file_priv->prime,
+ ret = drm_prime_add_buf_handle(&file_priv->prime,
dma_buf, *handle);
if (ret)
goto fail;
@@ -307,7 +310,7 @@ void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv)
}
EXPORT_SYMBOL(drm_prime_destroy_file_private);

-int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle)
+static int drm_prime_add_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle)
{
struct drm_prime_member *member;

@@ -315,14 +318,14 @@ int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv
if (!member)
return -ENOMEM;

+ get_dma_buf(dma_buf);
member->dma_buf = dma_buf;
member->handle = handle;
list_add(&member->entry, &prime_fpriv->head);
return 0;
}
-EXPORT_SYMBOL(drm_prime_add_imported_buf_handle);

-int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle)
+int drm_prime_lookup_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle)
{
struct drm_prime_member *member;

@@ -334,19 +337,20 @@ int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fp
}
return -ENOENT;
}
-EXPORT_SYMBOL(drm_prime_lookup_imported_buf_handle);
+EXPORT_SYMBOL(drm_prime_lookup_buf_handle);

-void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf)
+void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf)
{
struct drm_prime_member *member, *safe;

mutex_lock(&prime_fpriv->lock);
list_for_each_entry_safe(member, safe, &prime_fpriv->head, entry) {
if (member->dma_buf == dma_buf) {
+ dma_buf_put(dma_buf);
list_del(&member->entry);
kfree(member);
}
}
mutex_unlock(&prime_fpriv->lock);
}
-EXPORT_SYMBOL(drm_prime_remove_imported_buf_handle);
+EXPORT_SYMBOL(drm_prime_remove_buf_handle);
diff --git a/drivers/gpu/drm/gma500/psb_irq.c b/drivers/gpu/drm/gma500/psb_irq.c
index 8652cdf..029eccf 100644
--- a/drivers/gpu/drm/gma500/psb_irq.c
+++ b/drivers/gpu/drm/gma500/psb_irq.c
@@ -211,7 +211,7 @@ irqreturn_t psb_irq_handler(DRM_IRQ_ARGS)

vdc_stat = PSB_RVDC32(PSB_INT_IDENTITY_R);

- if (vdc_stat & _PSB_PIPE_EVENT_FLAG)
+ if (vdc_stat & (_PSB_PIPE_EVENT_FLAG|_PSB_IRQ_ASLE))
dsp_int = 1;

/* FIXME: Handle Medfield
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index a2c97bb..d85db22 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -650,6 +650,7 @@ typedef struct drm_i915_private {
unsigned long gtt_start;
unsigned long gtt_mappable_end;
unsigned long gtt_end;
+ unsigned long stolen_base; /* limited to low memory (32-bit) */

struct io_mapping *gtt_mapping;
int gtt_mtrr;
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 7605f40..19e9f33 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2332,17 +2332,35 @@ static inline int fence_number(struct drm_i915_private *dev_priv,
return fence - dev_priv->fence_regs;
}

+static void i915_gem_write_fence__ipi(void *data)
+{
+ wbinvd();
+}
+
static void i915_gem_object_update_fence(struct drm_i915_gem_object *obj,
struct drm_i915_fence_reg *fence,
bool enable)
{
- struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
- int reg = fence_number(dev_priv, fence);
-
- i915_gem_write_fence(obj->base.dev, reg, enable ? obj : NULL);
+ struct drm_device *dev = obj->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int fence_reg = fence_number(dev_priv, fence);
+
+ /* In order to fully serialize access to the fenced region and
+ * the update to the fence register we need to take extreme
+ * measures on SNB+. In theory, the write to the fence register
+ * flushes all memory transactions before, and coupled with the
+ * mb() placed around the register write we serialise all memory
+ * operations with respect to the changes in the tiler. Yet, on
+ * SNB+ we need to take a step further and emit an explicit wbinvd()
+ * on each processor in order to manually flush all memory
+ * transactions before updating the fence register.
+ */
+ if (HAS_LLC(obj->base.dev))
+ on_each_cpu(i915_gem_write_fence__ipi, NULL, 1);
+ i915_gem_write_fence(dev, fence_reg, enable ? obj : NULL);

if (enable) {
- obj->fence_reg = reg;
+ obj->fence_reg = fence_reg;
fence->obj = obj;
list_move_tail(&fence->lru_list, &dev_priv->mm.fence_list);
} else {
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index ada2e90..d023ed6 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -43,56 +43,50 @@
* for is a boon.
*/

-#define PTE_ADDRESS_MASK 0xfffff000
-#define PTE_ADDRESS_MASK_HIGH 0x000000f0 /* i915+ */
-#define PTE_MAPPING_TYPE_UNCACHED (0 << 1)
-#define PTE_MAPPING_TYPE_DCACHE (1 << 1) /* i830 only */
-#define PTE_MAPPING_TYPE_CACHED (3 << 1)
-#define PTE_MAPPING_TYPE_MASK (3 << 1)
-#define PTE_VALID (1 << 0)
-
-/**
- * i915_stolen_to_phys - take an offset into stolen memory and turn it into
- * a physical one
- * @dev: drm device
- * @offset: address to translate
- *
- * Some chip functions require allocations from stolen space and need the
- * physical address of the memory in question.
- */
-static unsigned long i915_stolen_to_phys(struct drm_device *dev, u32 offset)
+static unsigned long i915_stolen_to_physical(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct pci_dev *pdev = dev_priv->bridge_dev;
u32 base;

-#if 0
/* On the machines I have tested the Graphics Base of Stolen Memory
- * is unreliable, so compute the base by subtracting the stolen memory
- * from the Top of Low Usable DRAM which is where the BIOS places
- * the graphics stolen memory.
+ * is unreliable, so on those compute the base by subtracting the
+ * stolen memory from the Top of Low Usable DRAM which is where the
+ * BIOS places the graphics stolen memory.
+ *
+ * On gen2, the layout is slightly different with the Graphics Segment
+ * immediately following Top of Memory (or Top of Usable DRAM). Note
+ * it appears that TOUD is only reported by 865g, so we just use the
+ * top of memory as determined by the e820 probe.
+ *
+ * XXX gen2 requires an unavailable symbol and 945gm fails with
+ * its value of TOLUD.
*/
- if (INTEL_INFO(dev)->gen > 3 || IS_G33(dev)) {
- /* top 32bits are reserved = 0 */
+ base = 0;
+ if (INTEL_INFO(dev)->gen >= 6) {
+ /* Read Base Data of Stolen Memory Register (BDSM) directly.
+ * Note that there is also a MCHBAR miror at 0x1080c0 or
+ * we could use device 2:0x5c instead.
+ */
+ pci_read_config_dword(pdev, 0xB0, &base);
+ base &= ~4095; /* lower bits used for locking register */
+ } else if (INTEL_INFO(dev)->gen > 3 || IS_G33(dev)) {
+ /* Read Graphics Base of Stolen Memory directly */
pci_read_config_dword(pdev, 0xA4, &base);
- } else {
- /* XXX presume 8xx is the same as i915 */
- pci_bus_read_config_dword(pdev->bus, 2, 0x5C, &base);
- }
-#else
- if (INTEL_INFO(dev)->gen > 3 || IS_G33(dev)) {
- u16 val;
- pci_read_config_word(pdev, 0xb0, &val);
- base = val >> 4 << 20;
- } else {
+#if 0
+ } else if (IS_GEN3(dev)) {
u8 val;
+ /* Stolen is immediately below Top of Low Usable DRAM */
pci_read_config_byte(pdev, 0x9c, &val);
base = val >> 3 << 27;
- }
- base -= dev_priv->mm.gtt->stolen_size;
+ base -= dev_priv->mm.gtt->stolen_size;
+ } else {
+ /* Stolen is immediately above Top of Memory */
+ base = max_low_pfn_mapped << PAGE_SHIFT;
#endif
+ }

- return base + offset;
+ return base;
}

static void i915_warn_stolen(struct drm_device *dev)
@@ -117,7 +111,7 @@ static void i915_setup_compression(struct drm_device *dev, int size)
if (!compressed_fb)
goto err;

- cfb_base = i915_stolen_to_phys(dev, compressed_fb->start);
+ cfb_base = dev_priv->mm.stolen_base + compressed_fb->start;
if (!cfb_base)
goto err_fb;

@@ -130,7 +124,7 @@ static void i915_setup_compression(struct drm_device *dev, int size)
if (!compressed_llb)
goto err_fb;

- ll_base = i915_stolen_to_phys(dev, compressed_llb->start);
+ ll_base = dev_priv->mm.stolen_base + compressed_llb->start;
if (!ll_base)
goto err_llb;
}
@@ -149,7 +143,7 @@ static void i915_setup_compression(struct drm_device *dev, int size)
}

DRM_DEBUG_KMS("FBC base 0x%08lx, ll base 0x%08lx, size %dM\n",
- cfb_base, ll_base, size >> 20);
+ (long)cfb_base, (long)ll_base, size >> 20);
return;

err_llb:
@@ -181,6 +175,13 @@ int i915_gem_init_stolen(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long prealloc_size = dev_priv->mm.gtt->stolen_size;

+ dev_priv->mm.stolen_base = i915_stolen_to_physical(dev);
+ if (dev_priv->mm.stolen_base == 0)
+ return 0;
+
+ DRM_DEBUG_KMS("found %d bytes of stolen memory at %08lx\n",
+ dev_priv->mm.gtt->stolen_size, dev_priv->mm.stolen_base);
+
/* Basic memrange allocator for stolen space */
drm_mm_init(&dev_priv->mm.stolen, 0, prealloc_size);

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2ec0617..290d89d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7146,6 +7146,9 @@ void intel_modeset_cleanup(struct drm_device *dev)
del_timer_sync(&dev_priv->idle_timer);
cancel_work_sync(&dev_priv->idle_work);

+ /* destroy backlight, if any, before the connectors */
+ intel_panel_destroy_backlight(dev);
+
drm_mode_config_cleanup(dev);
}

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 0abe7ec..b6f6963 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2336,11 +2336,6 @@ done:
static void
intel_dp_destroy(struct drm_connector *connector)
{
- struct drm_device *dev = connector->dev;
-
- if (intel_dpd_is_edp(dev))
- intel_panel_destroy_backlight(dev);
-
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(connector);
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index 60ba50b9..35dc618 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -370,6 +370,7 @@ void intel_dvo_init(struct drm_device *dev)
const struct intel_dvo_device *dvo = &intel_dvo_devices[i];
struct i2c_adapter *i2c;
int gpio;
+ bool dvoinit;

/* Allow the I2C driver info to specify the GPIO to be used in
* special cases, but otherwise default to what's defined
@@ -389,7 +390,17 @@ void intel_dvo_init(struct drm_device *dev)
i2c = intel_gmbus_get_adapter(dev_priv, gpio);

intel_dvo->dev = *dvo;
- if (!dvo->dev_ops->init(&intel_dvo->dev, i2c))
+
+ /* GMBUS NAK handling seems to be unstable, hence let the
+ * transmitter detection run in bit banging mode for now.
+ */
+ intel_gmbus_force_bit(i2c, true);
+
+ dvoinit = dvo->dev_ops->init(&intel_dvo->dev, i2c);
+
+ intel_gmbus_force_bit(i2c, false);
+
+ if (!dvoinit)
continue;

intel_encoder->type = INTEL_OUTPUT_DVO;
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 183a8d0..6d6bf60 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -559,8 +559,6 @@ static void intel_lvds_destroy(struct drm_connector *connector)
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;

- intel_panel_destroy_backlight(dev);
-
if (dev_priv->lid_notifier.notifier_call)
acpi_lid_notifier_unregister(&dev_priv->lid_notifier);
drm_sysfs_connector_remove(connector);
@@ -794,6 +792,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "X7SPA-H"),
},
},
+ {
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "Fujitsu Esprimo Q900",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Q900"),
+ },
+ },

{ } /* terminating entry */
};
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 2a1625d..d5fd67e 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -361,6 +361,9 @@ int intel_panel_setup_backlight(struct drm_device *dev)

intel_panel_init_backlight(dev);

+ if (WARN_ON(dev_priv->backlight))
+ return -ENODEV;
+
if (dev_priv->int_lvds_connector)
connector = dev_priv->int_lvds_connector;
else if (dev_priv->int_edp_connector)
@@ -389,8 +392,10 @@ int intel_panel_setup_backlight(struct drm_device *dev)
void intel_panel_destroy_backlight(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- if (dev_priv->backlight)
+ if (dev_priv->backlight) {
backlight_device_unregister(dev_priv->backlight);
+ dev_priv->backlight = NULL;
+ }
}
#else
int intel_panel_setup_backlight(struct drm_device *dev)
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h
index 6f13b35..aa2fa4d 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -116,6 +116,8 @@ struct mga_fbdev {
void *sysram;
int size;
struct ttm_bo_kmap_obj mapping;
+ int x1, y1, x2, y2; /* dirty rect */
+ spinlock_t dirty_lock;
};

struct mga_crtc {
diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
index 880d336..f5f0366 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -29,16 +29,52 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev,
int bpp = (mfbdev->mfb.base.bits_per_pixel + 7)/8;
int ret;
bool unmap = false;
+ bool store_for_later = false;
+ int x2, y2;
+ unsigned long flags;

obj = mfbdev->mfb.obj;
bo = gem_to_mga_bo(obj);

+ /*
+ * try and reserve the BO, if we fail with busy
+ * then the BO is being moved and we should
+ * store up the damage until later.
+ */
ret = mgag200_bo_reserve(bo, true);
if (ret) {
- DRM_ERROR("failed to reserve fb bo\n");
+ if (ret != -EBUSY)
+ return;
+
+ store_for_later = true;
+ }
+
+ x2 = x + width - 1;
+ y2 = y + height - 1;
+ spin_lock_irqsave(&mfbdev->dirty_lock, flags);
+
+ if (mfbdev->y1 < y)
+ y = mfbdev->y1;
+ if (mfbdev->y2 > y2)
+ y2 = mfbdev->y2;
+ if (mfbdev->x1 < x)
+ x = mfbdev->x1;
+ if (mfbdev->x2 > x2)
+ x2 = mfbdev->x2;
+
+ if (store_for_later) {
+ mfbdev->x1 = x;
+ mfbdev->x2 = x2;
+ mfbdev->y1 = y;
+ mfbdev->y2 = y2;
+ spin_unlock_irqrestore(&mfbdev->dirty_lock, flags);
return;
}

+ mfbdev->x1 = mfbdev->y1 = INT_MAX;
+ mfbdev->x2 = mfbdev->y2 = 0;
+ spin_unlock_irqrestore(&mfbdev->dirty_lock, flags);
+
if (!bo->kmap.virtual) {
ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap);
if (ret) {
@@ -48,10 +84,10 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev,
}
unmap = true;
}
- for (i = y; i < y + height; i++) {
+ for (i = y; i <= y2; i++) {
/* assume equal stride for now */
src_offset = dst_offset = i * mfbdev->mfb.base.pitches[0] + (x * bpp);
- memcpy_toio(bo->kmap.virtual + src_offset, mfbdev->sysram + src_offset, width * bpp);
+ memcpy_toio(bo->kmap.virtual + src_offset, mfbdev->sysram + src_offset, (x2 - x + 1) * bpp);

}
if (unmap)
@@ -270,6 +306,7 @@ int mgag200_fbdev_init(struct mga_device *mdev)

mdev->mfbdev = mfbdev;
mfbdev->helper.funcs = &mga_fb_helper_funcs;
+ spin_lock_init(&mfbdev->dirty_lock);

ret = drm_fb_helper_init(mdev->dev, &mfbdev->helper,
mdev->num_crtc, MGAG200FB_CONN_LIMIT);
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index abb9776..4860c35 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -190,12 +190,12 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS;
- WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp);
+ WREG8(DAC_DATA, tmp);

WREG8(DAC_INDEX, MGA1064_REMHEADCTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_REMHEADCTL_CLKDIS;
- WREG_DAC(MGA1064_REMHEADCTL, tmp);
+ WREG8(DAC_DATA, tmp);

/* select PLL Set C */
tmp = RREG8(MGAREG_MEM_MISC_READ);
@@ -205,7 +205,7 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN | 0x80;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);

udelay(500);

@@ -213,7 +213,7 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_VREF_CTL);
tmp = RREG8(DAC_DATA);
tmp &= ~0x04;
- WREG_DAC(MGA1064_VREF_CTL, tmp);
+ WREG8(DAC_DATA, tmp);

udelay(50);

@@ -237,13 +237,13 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock)
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_SEL_MSK;
tmp |= MGA1064_PIX_CLK_CTL_SEL_PLL;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);

WREG8(DAC_INDEX, MGA1064_REMHEADCTL);
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_REMHEADCTL_CLKSL_MSK;
tmp |= MGA1064_REMHEADCTL_CLKSL_PLL;
- WREG_DAC(MGA1064_REMHEADCTL, tmp);
+ WREG8(DAC_DATA, tmp);

/* reset dotclock rate bit */
WREG8(MGAREG_SEQ_INDEX, 1);
@@ -254,7 +254,7 @@ static int mga_g200wb_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);

vcount = RREG8(MGAREG_VCOUNT);

@@ -319,7 +319,7 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS;
- WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp);
+ WREG8(DAC_DATA, tmp);

tmp = RREG8(MGAREG_MEM_MISC_READ);
tmp |= 0x3 << 2;
@@ -327,12 +327,12 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock)

WREG8(DAC_INDEX, MGA1064_PIX_PLL_STAT);
tmp = RREG8(DAC_DATA);
- WREG_DAC(MGA1064_PIX_PLL_STAT, tmp & ~0x40);
+ WREG8(DAC_DATA, tmp & ~0x40);

WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);

WREG_DAC(MGA1064_EV_PIX_PLLC_M, m);
WREG_DAC(MGA1064_EV_PIX_PLLC_N, n);
@@ -343,7 +343,7 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_CLK_POW_DOWN;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);

udelay(500);

@@ -351,11 +351,11 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock)
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_SEL_MSK;
tmp |= MGA1064_PIX_CLK_CTL_SEL_PLL;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);

WREG8(DAC_INDEX, MGA1064_PIX_PLL_STAT);
tmp = RREG8(DAC_DATA);
- WREG_DAC(MGA1064_PIX_PLL_STAT, tmp | 0x40);
+ WREG8(DAC_DATA, tmp | 0x40);

tmp = RREG8(MGAREG_MEM_MISC_READ);
tmp |= (0x3 << 2);
@@ -364,7 +364,7 @@ static int mga_g200ev_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);

return 0;
}
@@ -417,7 +417,7 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS;
- WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp);
+ WREG8(DAC_DATA, tmp);

tmp = RREG8(MGAREG_MEM_MISC_READ);
tmp |= 0x3 << 2;
@@ -426,7 +426,7 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);

udelay(500);

@@ -440,13 +440,13 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock)
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_SEL_MSK;
tmp |= MGA1064_PIX_CLK_CTL_SEL_PLL;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);

WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS;
tmp &= ~MGA1064_PIX_CLK_CTL_CLK_POW_DOWN;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);

vcount = RREG8(MGAREG_VCOUNT);

@@ -516,12 +516,12 @@ static int mga_g200er_set_plls(struct mga_device *mdev, long clock)
WREG8(DAC_INDEX, MGA1064_PIX_CLK_CTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_PIX_CLK_CTL_CLK_DIS;
- WREG_DAC(MGA1064_PIX_CLK_CTL_CLK_DIS, tmp);
+ WREG8(DAC_DATA, tmp);

WREG8(DAC_INDEX, MGA1064_REMHEADCTL);
tmp = RREG8(DAC_DATA);
tmp |= MGA1064_REMHEADCTL_CLKDIS;
- WREG_DAC(MGA1064_REMHEADCTL, tmp);
+ WREG8(DAC_DATA, tmp);

tmp = RREG8(MGAREG_MEM_MISC_READ);
tmp |= (0x3<<2) | 0xc0;
@@ -531,7 +531,7 @@ static int mga_g200er_set_plls(struct mga_device *mdev, long clock)
tmp = RREG8(DAC_DATA);
tmp &= ~MGA1064_PIX_CLK_CTL_CLK_DIS;
tmp |= MGA1064_PIX_CLK_CTL_CLK_POW_DOWN;
- WREG_DAC(MGA1064_PIX_CLK_CTL, tmp);
+ WREG8(DAC_DATA, tmp);

udelay(500);

@@ -658,12 +658,26 @@ static void mga_g200wb_commit(struct drm_crtc *crtc)
WREG_DAC(MGA1064_GEN_IO_DATA, tmp);
}

-
+/*
+ This is how the framebuffer base address is stored in g200 cards:
+ * Assume @offset is the gpu_addr variable of the framebuffer object
+ * Then addr is the number of _pixels_ (not bytes) from the start of
+ VRAM to the first pixel we want to display. (divided by 2 for 32bit
+ framebuffers)
+ * addr is stored in the CRTCEXT0, CRTCC and CRTCD registers
+ addr<20> -> CRTCEXT0<6>
+ addr<19-16> -> CRTCEXT0<3-0>
+ addr<15-8> -> CRTCC<7-0>
+ addr<7-0> -> CRTCD<7-0>
+ CRTCEXT0 has to be programmed last to trigger an update and make the
+ new addr variable take effect.
+ */
void mga_set_start_address(struct drm_crtc *crtc, unsigned offset)
{
struct mga_device *mdev = crtc->dev->dev_private;
u32 addr;
int count;
+ u8 crtcext0;

while (RREG8(0x1fda) & 0x08);
while (!(RREG8(0x1fda) & 0x08));
@@ -671,10 +685,17 @@ void mga_set_start_address(struct drm_crtc *crtc, unsigned offset)
count = RREG8(MGAREG_VCOUNT) + 2;
while (RREG8(MGAREG_VCOUNT) < count);

- addr = offset >> 2;
+ WREG8(MGAREG_CRTCEXT_INDEX, 0);
+ crtcext0 = RREG8(MGAREG_CRTCEXT_DATA);
+ crtcext0 &= 0xB0;
+ addr = offset / 8;
+ /* Can't store addresses any higher than that...
+ but we also don't have more than 16MB of memory, so it should be fine. */
+ WARN_ON(addr > 0x1fffff);
+ crtcext0 |= (!!(addr & (1<<20)))<<6;
WREG_CRT(0x0d, (u8)(addr & 0xff));
WREG_CRT(0x0c, (u8)(addr >> 8) & 0xff);
- WREG_CRT(0xaf, (u8)(addr >> 16) & 0xf);
+ WREG_ECRT(0x0, ((u8)(addr >> 16) & 0xf) | crtcext0);
}


diff --git a/drivers/gpu/drm/mgag200/mgag200_ttm.c b/drivers/gpu/drm/mgag200/mgag200_ttm.c
index b223dcb..a707394 100644
--- a/drivers/gpu/drm/mgag200/mgag200_ttm.c
+++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c
@@ -315,8 +315,8 @@ int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait)

ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0);
if (ret) {
- if (ret != -ERESTARTSYS)
- DRM_ERROR("reserve failed %p\n", bo);
+ if (ret != -ERESTARTSYS && ret != -EBUSY)
+ DRM_ERROR("reserve failed %p %d\n", bo, ret);
return ret;
}
return 0;
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index 5ce9bf5..43672b6 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -1389,10 +1389,10 @@ int atom_allocate_fb_scratch(struct atom_context *ctx)
firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);

DRM_DEBUG("atom firmware requested %08x %dkb\n",
- firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware,
- firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb);
+ le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware),
+ le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb));

- usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024;
+ usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024;
}
ctx->scratch_size_bytes = 0;
if (usage_bytes == 0)
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 08b71a3..c4e646f 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -573,6 +573,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
/* use frac fb div on APUs */
if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev))
pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
+ /* use frac fb div on RS780/RS880 */
+ if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880))
+ pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
if (ASIC_IS_DCE32(rdev) && mode->clock > 165000)
pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
} else {
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index ccac010..dd708a3 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -445,6 +445,16 @@ void evergreen_hpd_init(struct radeon_device *rdev)

list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
+ connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
+ /* don't try to enable hpd on eDP or LVDS avoid breaking the
+ * aux dp channel on imac and help (but not completely fix)
+ * https://bugzilla.redhat.com/show_bug.cgi?id=726143
+ * also avoid interrupt storms during dpms.
+ */
+ continue;
+ }
switch (radeon_connector->hpd.hpd) {
case RADEON_HPD_1:
WREG32(DC_HPD1_CONTROL, tmp);
@@ -1146,17 +1156,16 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
radeon_wait_for_vblank(rdev, i);
- tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+ tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
}
} else {
tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
radeon_wait_for_vblank(rdev, i);
- tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+ tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
}
@@ -1168,6 +1177,15 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
break;
udelay(1);
}
+
+ /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+ tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
+ tmp &= ~EVERGREEN_CRTC_MASTER_EN;
+ WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
+ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
+ save->crtc_enabled[i] = false;
+ /* ***** */
} else {
save->crtc_enabled[i] = false;
}
@@ -1185,6 +1203,22 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
}
/* wait for the MC to settle */
udelay(100);
+
+ /* lock double buffered regs */
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (save->crtc_enabled[i]) {
+ tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
+ if (!(tmp & EVERGREEN_GRPH_UPDATE_LOCK)) {
+ tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
+ WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
+ }
+ tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
+ if (!(tmp & 1)) {
+ tmp |= 1;
+ WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
+ }
+ }
+ }
}

void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
@@ -1206,6 +1240,33 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s
WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);

+ /* unlock regs and wait for update */
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (save->crtc_enabled[i]) {
+ tmp = RREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i]);
+ if ((tmp & 0x3) != 0) {
+ tmp &= ~0x3;
+ WREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
+ }
+ tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
+ if (tmp & EVERGREEN_GRPH_UPDATE_LOCK) {
+ tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
+ WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
+ }
+ tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
+ if (tmp & 1) {
+ tmp &= ~1;
+ WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
+ }
+ for (j = 0; j < rdev->usec_timeout; j++) {
+ tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
+ if ((tmp & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING) == 0)
+ break;
+ udelay(1);
+ }
+ }
+ }
+
/* unblackout the MC */
tmp = RREG32(MC_SHARED_BLACKOUT_CNTL);
tmp &= ~BLACKOUT_MODE_MASK;
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index 034f4c2..3e9773a 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -225,6 +225,8 @@
#define EVERGREEN_CRTC_STATUS_POSITION 0x6e90
#define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8
#define EVERGREEN_CRTC_UPDATE_LOCK 0x6ed4
+#define EVERGREEN_MASTER_UPDATE_LOCK 0x6ef4
+#define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8

#define EVERGREEN_DC_GPIO_HPD_MASK 0x64b0
#define EVERGREEN_DC_GPIO_HPD_A 0x64b4
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 0aa705e..137b1f5 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -471,7 +471,8 @@ static void cayman_gpu_init(struct radeon_device *rdev)
(rdev->pdev->device == 0x990F) ||
(rdev->pdev->device == 0x9910) ||
(rdev->pdev->device == 0x9917) ||
- (rdev->pdev->device == 0x9999)) {
+ (rdev->pdev->device == 0x9999) ||
+ (rdev->pdev->device == 0x999C)) {
rdev->config.cayman.max_simds_per_se = 6;
rdev->config.cayman.max_backends_per_se = 2;
} else if ((rdev->pdev->device == 0x9903) ||
@@ -480,7 +481,8 @@ static void cayman_gpu_init(struct radeon_device *rdev)
(rdev->pdev->device == 0x990D) ||
(rdev->pdev->device == 0x990E) ||
(rdev->pdev->device == 0x9913) ||
- (rdev->pdev->device == 0x9918)) {
+ (rdev->pdev->device == 0x9918) ||
+ (rdev->pdev->device == 0x999D)) {
rdev->config.cayman.max_simds_per_se = 4;
rdev->config.cayman.max_backends_per_se = 2;
} else if ((rdev->pdev->device == 0x9919) ||
@@ -619,6 +621,8 @@ static void cayman_gpu_init(struct radeon_device *rdev)

WREG32(GB_ADDR_CONFIG, gb_addr_config);
WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
+ if (ASIC_IS_DCE6(rdev))
+ WREG32(DMIF_ADDR_CALC, gb_addr_config);
WREG32(HDP_ADDR_CONFIG, gb_addr_config);

if ((rdev->config.cayman.max_backends_per_se == 1) &&
diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h
index 5e76c2f5..dd334a2 100644
--- a/drivers/gpu/drm/radeon/nid.h
+++ b/drivers/gpu/drm/radeon/nid.h
@@ -45,6 +45,10 @@
#define ARUBA_GB_ADDR_CONFIG_GOLDEN 0x12010001

#define DMIF_ADDR_CONFIG 0xBD4
+
+/* DCE6 only */
+#define DMIF_ADDR_CALC 0xC00
+
#define SRBM_GFX_CNTL 0x0E44
#define RINGID(x) (((x) & 0x3) << 0)
#define VMID(x) (((x) & 0x7) << 0)
diff --git a/drivers/gpu/drm/radeon/r300_cmdbuf.c b/drivers/gpu/drm/radeon/r300_cmdbuf.c
index 1fe98b4..9aa02be 100644
--- a/drivers/gpu/drm/radeon/r300_cmdbuf.c
+++ b/drivers/gpu/drm/radeon/r300_cmdbuf.c
@@ -74,7 +74,7 @@ static int r300_emit_cliprects(drm_radeon_private_t *dev_priv,
OUT_RING(CP_PACKET0(R300_RE_CLIPRECT_TL_0, nr * 2 - 1));

for (i = 0; i < nr; ++i) {
- if (DRM_COPY_FROM_USER_UNCHECKED
+ if (DRM_COPY_FROM_USER
(&box, &cmdbuf->boxes[n + i], sizeof(box))) {
DRM_ERROR("copy cliprect faulted\n");
return -EFAULT;
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 851a477..26ce6c1 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -489,7 +489,7 @@ void r600_hdmi_enable(struct drm_encoder *encoder)
offset = dig->afmt->offset;

/* Older chipsets require setting HDMI and routing manually */
- if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
+ if (ASIC_IS_DCE2(rdev) && !ASIC_IS_DCE3(rdev)) {
hdmi = HDMI0_ERROR_ACK | HDMI0_ENABLE;
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
@@ -559,7 +559,7 @@ void r600_hdmi_disable(struct drm_encoder *encoder)
radeon_irq_set(rdev);

/* Older chipsets not handled by AtomBIOS */
- if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
+ if (ASIC_IS_DCE2(rdev) && !ASIC_IS_DCE3(rdev)) {
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
WREG32_P(AVIVO_TMDSA_CNTL, 0,
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 5e30e12..38d87e1 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1998,6 +1998,8 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
num_modes = power_info->info.ucNumOfPowerModeEntries;
if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK)
num_modes = ATOM_MAX_NUMBEROF_POWER_BLOCK;
+ if (num_modes == 0)
+ return state_index;
rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * num_modes, GFP_KERNEL);
if (!rdev->pm.power_state)
return state_index;
@@ -2396,6 +2398,8 @@ static int radeon_atombios_parse_power_table_4_5(struct radeon_device *rdev)
power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);

radeon_atombios_add_pplib_thermal_controller(rdev, &power_info->pplib.sThermalController);
+ if (power_info->pplib.ucNumStates == 0)
+ return state_index;
rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) *
power_info->pplib.ucNumStates, GFP_KERNEL);
if (!rdev->pm.power_state)
@@ -2478,6 +2482,7 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
u16 data_offset;
u8 frev, crev;
+ u8 *power_state_offset;

if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
&frev, &crev, &data_offset))
@@ -2494,15 +2499,17 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
non_clock_info_array = (struct _NonClockInfoArray *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
+ if (state_array->ucNumEntries == 0)
+ return state_index;
rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) *
state_array->ucNumEntries, GFP_KERNEL);
if (!rdev->pm.power_state)
return state_index;
+ power_state_offset = (u8 *)state_array->states;
for (i = 0; i < state_array->ucNumEntries; i++) {
mode_index = 0;
- power_state = (union pplib_power_state *)&state_array->states[i];
- /* XXX this might be an inagua bug... */
- non_clock_array_index = i; /* power_state->v2.nonClockInfoIndex */
+ power_state = (union pplib_power_state *)power_state_offset;
+ non_clock_array_index = power_state->v2.nonClockInfoIndex;
non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
&non_clock_info_array->nonClockInfo[non_clock_array_index];
rdev->pm.power_state[i].clock_info = kzalloc(sizeof(struct radeon_pm_clock_info) *
@@ -2514,9 +2521,6 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
if (power_state->v2.ucNumDPMLevels) {
for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
clock_array_index = power_state->v2.clockInfoIndex[j];
- /* XXX this might be an inagua bug... */
- if (clock_array_index >= clock_info_array->ucNumEntries)
- continue;
clock_info = (union pplib_clock_info *)
&clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
valid = radeon_atombios_parse_pplib_clock_info(rdev,
@@ -2538,6 +2542,7 @@ static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
non_clock_info);
state_index++;
}
+ power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
}
/* if multiple clock modes, mark the lowest as no display */
for (i = 0; i < state_index; i++) {
@@ -2584,7 +2589,9 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
default:
break;
}
- } else {
+ }
+
+ if (state_index == 0) {
rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state), GFP_KERNEL);
if (rdev->pm.power_state) {
rdev->pm.power_state[0].clock_info =
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 5c58d7d..c574139 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -39,8 +39,12 @@ int radeon_driver_unload_kms(struct drm_device *dev)

if (rdev == NULL)
return 0;
+ if (rdev->rmmio == NULL)
+ goto done_free;
radeon_modeset_fini(rdev);
radeon_device_fini(rdev);
+
+done_free:
kfree(rdev);
dev->dev_private = NULL;
return 0;
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 0c4ca48..c7f3d6c 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -864,7 +864,11 @@ static int radeon_debugfs_pm_info(struct seq_file *m, void *data)
struct radeon_device *rdev = dev->dev_private;

seq_printf(m, "default engine clock: %u0 kHz\n", rdev->pm.default_sclk);
- seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev));
+ /* radeon_get_engine_clock is not reliable on APUs so just print the current clock */
+ if ((rdev->family >= CHIP_PALM) && (rdev->flags & RADEON_IS_IGP))
+ seq_printf(m, "current engine clock: %u0 kHz\n", rdev->pm.current_sclk);
+ else
+ seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev));
seq_printf(m, "default memory clock: %u0 kHz\n", rdev->pm.default_mclk);
if (rdev->asic->pm.get_memory_clock)
seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev));
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 29e42de..c43a544 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -1374,7 +1374,7 @@ static void si_select_se_sh(struct radeon_device *rdev,
u32 data = INSTANCE_BROADCAST_WRITES;

if ((se_num == 0xffffffff) && (sh_num == 0xffffffff))
- data = SH_BROADCAST_WRITES | SE_BROADCAST_WRITES;
+ data |= SH_BROADCAST_WRITES | SE_BROADCAST_WRITES;
else if (se_num == 0xffffffff)
data |= SE_BROADCAST_WRITES | SH_INDEX(sh_num);
else if (sh_num == 0xffffffff)
@@ -1659,6 +1659,7 @@ static void si_gpu_init(struct radeon_device *rdev)

WREG32(GB_ADDR_CONFIG, gb_addr_config);
WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
+ WREG32(DMIF_ADDR_CALC, gb_addr_config);
WREG32(HDP_ADDR_CONFIG, gb_addr_config);

si_tiling_mode_table_init(rdev);
diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h
index 06b17e6..916e13f 100644
--- a/drivers/gpu/drm/radeon/sid.h
+++ b/drivers/gpu/drm/radeon/sid.h
@@ -60,6 +60,8 @@

#define DMIF_ADDR_CONFIG 0xBD4

+#define DMIF_ADDR_CALC 0xC00
+
#define SRBM_STATUS 0xE50

#define CC_SYS_RB_BACKEND_DISABLE 0xe80
diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 641d0e5..15d20de 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -312,10 +312,8 @@ static void xiic_fill_tx_fifo(struct xiic_i2c *i2c)
/* last message in transfer -> STOP */
data |= XIIC_TX_DYN_STOP_MASK;
dev_dbg(i2c->adap.dev.parent, "%s TX STOP\n", __func__);
-
- xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET, data);
- } else
- xiic_setreg8(i2c, XIIC_DTR_REG_OFFSET, data);
+ }
+ xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET, data);
}
}

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 5f4659e..8bd2d5f 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1117,6 +1117,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
s->pending_pool = mempool_create_slab_pool(MIN_IOS, pending_cache);
if (!s->pending_pool) {
ti->error = "Could not allocate mempool for pending exceptions";
+ r = -ENOMEM;
goto bad_pending_pool;
}

diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 5f52a9a..1307ba8 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -2035,6 +2035,7 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv)
* thin devices' discard limits consistent).
*/
ti->discards_supported = 1;
+ ti->discard_zeroes_data_unsupported = 1;
}
ti->private = pt;

@@ -2496,7 +2497,6 @@ static void set_discard_limits(struct pool *pool, struct queue_limits *limits)
* bios that overlap 2 blocks.
*/
limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT;
- limits->discard_zeroes_data = pool->pf.zero_new_blocks;
}

static void pool_io_hints(struct dm_target *ti, struct queue_limits *limits)
diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c
index 8d816cc..105f820 100644
--- a/drivers/mfd/adp5520.c
+++ b/drivers/mfd/adp5520.c
@@ -36,6 +36,7 @@ struct adp5520_chip {
struct blocking_notifier_head notifier_list;
int irq;
unsigned long id;
+ uint8_t mode;
};

static int __adp5520_read(struct i2c_client *client,
@@ -326,7 +327,10 @@ static int adp5520_suspend(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct adp5520_chip *chip = dev_get_drvdata(&client->dev);

- adp5520_clr_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
+ adp5520_read(chip->dev, ADP5520_MODE_STATUS, &chip->mode);
+ /* All other bits are W1C */
+ chip->mode &= ADP5520_BL_EN | ADP5520_DIM_EN | ADP5520_nSTNBY;
+ adp5520_write(chip->dev, ADP5520_MODE_STATUS, 0);
return 0;
}

@@ -335,7 +339,7 @@ static int adp5520_resume(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct adp5520_chip *chip = dev_get_drvdata(&client->dev);

- adp5520_set_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
+ adp5520_write(chip->dev, ADP5520_MODE_STATUS, chip->mode);
return 0;
}
#endif
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 4f4489a..bb9e81d 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -368,13 +368,13 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT];
card->ext_csd.raw_trim_mult =
ext_csd[EXT_CSD_TRIM_MULT];
+ card->ext_csd.raw_partition_support = ext_csd[EXT_CSD_PARTITION_SUPPORT];
if (card->ext_csd.rev >= 4) {
/*
* Enhanced area feature support -- check whether the eMMC
* card has the Enhanced area enabled. If so, export enhanced
* area offset and size to user by adding sysfs interface.
*/
- card->ext_csd.raw_partition_support = ext_csd[EXT_CSD_PARTITION_SUPPORT];
if ((ext_csd[EXT_CSD_PARTITION_SUPPORT] & 0x2) &&
(ext_csd[EXT_CSD_PARTITION_ATTRIBUTE] & 0x1)) {
hc_erase_grp_sz =
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index aa131b3..1449469 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -300,16 +300,6 @@ config MMC_ATMELMCI

endchoice

-config MMC_ATMELMCI_DMA
- bool "Atmel MCI DMA support"
- depends on MMC_ATMELMCI && (AVR32 || ARCH_AT91SAM9G45) && DMA_ENGINE
- help
- Say Y here to have the Atmel MCI driver use a DMA engine to
- do data transfers and thus increase the throughput and
- reduce the CPU utilization.
-
- If unsure, say N.
-
config MMC_MSM
tristate "Qualcomm SDCC Controller Support"
depends on MMC && ARCH_MSM
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 1a69c63..ac472be 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -175,6 +175,7 @@ struct atmel_mci {
void __iomem *regs;

struct scatterlist *sg;
+ unsigned int sg_len;
unsigned int pio_offset;
unsigned int *buffer;
unsigned int buf_size;
@@ -819,6 +820,7 @@ static u32 atmci_prepare_data(struct atmel_mci *host, struct mmc_data *data)
data->error = -EINPROGRESS;

host->sg = data->sg;
+ host->sg_len = data->sg_len;
host->data = data;
host->data_chan = NULL;

@@ -1751,7 +1753,8 @@ static void atmci_read_data_pio(struct atmel_mci *host)
if (offset == sg->length) {
flush_dcache_page(sg_page(sg));
host->sg = sg = sg_next(sg);
- if (!sg)
+ host->sg_len--;
+ if (!sg || !host->sg_len)
goto done;

offset = 0;
@@ -1764,7 +1767,8 @@ static void atmci_read_data_pio(struct atmel_mci *host)

flush_dcache_page(sg_page(sg));
host->sg = sg = sg_next(sg);
- if (!sg)
+ host->sg_len--;
+ if (!sg || !host->sg_len)
goto done;

offset = 4 - remaining;
@@ -1815,7 +1819,8 @@ static void atmci_write_data_pio(struct atmel_mci *host)
nbytes += 4;
if (offset == sg->length) {
host->sg = sg = sg_next(sg);
- if (!sg)
+ host->sg_len--;
+ if (!sg || !host->sg_len)
goto done;

offset = 0;
@@ -1829,7 +1834,8 @@ static void atmci_write_data_pio(struct atmel_mci *host)
nbytes += remaining;

host->sg = sg = sg_next(sg);
- if (!sg) {
+ host->sg_len--;
+ if (!sg || !host->sg_len) {
atmci_writel(host, ATMCI_TDR, value);
goto done;
}
@@ -2401,10 +2407,8 @@ static int __exit atmci_remove(struct platform_device *pdev)
atmci_readl(host, ATMCI_SR);
clk_disable(host->mck);

-#ifdef CONFIG_MMC_ATMELMCI_DMA
if (host->dma.chan)
dma_release_channel(host->dma.chan);
-#endif

free_irq(platform_get_irq(pdev, 0), host);
iounmap(host->regs);
diff --git a/drivers/net/ethernet/3com/3c509.c b/drivers/net/ethernet/3com/3c509.c
index 1a8eef2..ce8fb21 100644
--- a/drivers/net/ethernet/3com/3c509.c
+++ b/drivers/net/ethernet/3com/3c509.c
@@ -308,6 +308,7 @@ static int __devinit el3_isa_match(struct device *pdev,
if (!dev)
return -ENOMEM;

+ SET_NETDEV_DEV(dev, pdev);
netdev_boot_setup_check(dev);

if (!request_region(ioaddr, EL3_IO_EXTENT, "3c509-isa")) {
@@ -598,6 +599,7 @@ static int __init el3_eisa_probe (struct device *device)
return -ENOMEM;
}

+ SET_NETDEV_DEV(dev, device);
netdev_boot_setup_check(dev);

el3_dev_fill(dev, phys_addr, ioaddr, irq, if_port, EL3_EISA);
diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c
index e463d10..5673d6e 100644
--- a/drivers/net/ethernet/3com/3c59x.c
+++ b/drivers/net/ethernet/3com/3c59x.c
@@ -632,7 +632,6 @@ struct vortex_private {
pm_state_valid:1, /* pci_dev->saved_config_space has sane contents */
open:1,
medialock:1,
- must_free_region:1, /* Flag: if zero, Cardbus owns the I/O region */
large_frames:1, /* accept large frames */
handling_irq:1; /* private in_irq indicator */
/* {get|set}_wol operations are already serialized by rtnl.
@@ -951,7 +950,7 @@ static int __devexit vortex_eisa_remove(struct device *device)

unregister_netdev(dev);
iowrite16(TotalReset|0x14, ioaddr + EL3_CMD);
- release_region(dev->base_addr, VORTEX_TOTAL_SIZE);
+ release_region(edev->base_addr, VORTEX_TOTAL_SIZE);

free_netdev(dev);
return 0;
@@ -1012,6 +1011,12 @@ static int __devinit vortex_init_one(struct pci_dev *pdev,
if (rc < 0)
goto out;

+ rc = pci_request_regions(pdev, DRV_NAME);
+ if (rc < 0) {
+ pci_disable_device(pdev);
+ goto out;
+ }
+
unit = vortex_cards_found;

if (global_use_mmio < 0 && (unit >= MAX_UNITS || use_mmio[unit] < 0)) {
@@ -1027,6 +1032,7 @@ static int __devinit vortex_init_one(struct pci_dev *pdev,
if (!ioaddr) /* If mapping fails, fall-back to BAR 0... */
ioaddr = pci_iomap(pdev, 0, 0);
if (!ioaddr) {
+ pci_release_regions(pdev);
pci_disable_device(pdev);
rc = -ENOMEM;
goto out;
@@ -1036,6 +1042,7 @@ static int __devinit vortex_init_one(struct pci_dev *pdev,
ent->driver_data, unit);
if (rc < 0) {
pci_iounmap(pdev, ioaddr);
+ pci_release_regions(pdev);
pci_disable_device(pdev);
goto out;
}
@@ -1179,11 +1186,6 @@ static int __devinit vortex_probe1(struct device *gendev,

/* PCI-only startup logic */
if (pdev) {
- /* EISA resources already marked, so only PCI needs to do this here */
- /* Ignore return value, because Cardbus drivers already allocate for us */
- if (request_region(dev->base_addr, vci->io_size, print_name) != NULL)
- vp->must_free_region = 1;
-
/* enable bus-mastering if necessary */
if (vci->flags & PCI_USES_MASTER)
pci_set_master(pdev);
@@ -1221,7 +1223,7 @@ static int __devinit vortex_probe1(struct device *gendev,
&vp->rx_ring_dma);
retval = -ENOMEM;
if (!vp->rx_ring)
- goto free_region;
+ goto free_device;

vp->tx_ring = (struct boom_tx_desc *)(vp->rx_ring + RX_RING_SIZE);
vp->tx_ring_dma = vp->rx_ring_dma + sizeof(struct boom_rx_desc) * RX_RING_SIZE;
@@ -1486,9 +1488,7 @@ free_ring:
+ sizeof(struct boom_tx_desc) * TX_RING_SIZE,
vp->rx_ring,
vp->rx_ring_dma);
-free_region:
- if (vp->must_free_region)
- release_region(dev->base_addr, vci->io_size);
+free_device:
free_netdev(dev);
pr_err(PFX "vortex_probe1 fails. Returns %d\n", retval);
out:
@@ -3256,8 +3256,9 @@ static void __devexit vortex_remove_one(struct pci_dev *pdev)
+ sizeof(struct boom_tx_desc) * TX_RING_SIZE,
vp->rx_ring,
vp->rx_ring_dma);
- if (vp->must_free_region)
- release_region(dev->base_addr, vp->io_size);
+
+ pci_release_regions(pdev);
+
free_netdev(dev);
}

diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
index b68d28a..33a1760 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -1327,7 +1327,7 @@ static const struct net_device_ops ibmveth_netdev_ops = {
static int __devinit ibmveth_probe(struct vio_dev *dev,
const struct vio_device_id *id)
{
- int rc, i;
+ int rc, i, mac_len;
struct net_device *netdev;
struct ibmveth_adapter *adapter;
unsigned char *mac_addr_p;
@@ -1337,11 +1337,19 @@ static int __devinit ibmveth_probe(struct vio_dev *dev,
dev->unit_address);

mac_addr_p = (unsigned char *)vio_get_attribute(dev, VETH_MAC_ADDR,
- NULL);
+ &mac_len);
if (!mac_addr_p) {
dev_err(&dev->dev, "Can't find VETH_MAC_ADDR attribute\n");
return -EINVAL;
}
+ /* Workaround for old/broken pHyp */
+ if (mac_len == 8)
+ mac_addr_p += 2;
+ else if (mac_len != 6) {
+ dev_err(&dev->dev, "VETH_MAC_ADDR attribute wrong len %d\n",
+ mac_len);
+ return -EINVAL;
+ }

mcastFilterSize_p = (unsigned int *)vio_get_attribute(dev,
VETH_MCAST_FILTER_SIZE, NULL);
@@ -1366,17 +1374,6 @@ static int __devinit ibmveth_probe(struct vio_dev *dev,

netif_napi_add(netdev, &adapter->napi, ibmveth_poll, 16);

- /*
- * Some older boxes running PHYP non-natively have an OF that returns
- * a 8-byte local-mac-address field (and the first 2 bytes have to be
- * ignored) while newer boxes' OF return a 6-byte field. Note that
- * IEEE 1275 specifies that local-mac-address must be a 6-byte field.
- * The RPA doc specifies that the first byte must be 10b, so we'll
- * just look for it to solve this 8 vs. 6 byte field issue
- */
- if ((*mac_addr_p & 0x3) != 0x02)
- mac_addr_p += 2;
-
adapter->mac_addr = 0;
memcpy(&adapter->mac_addr, mac_addr_p, 6);

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index a32d221..f250232 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1687,8 +1687,6 @@ static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)

if (opts2 & RxVlanTag)
__vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
-
- desc->opts2 = 0;
}

static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
@@ -4576,8 +4574,10 @@ static void rtl_hw_start_8168bb(struct rtl8169_private *tp)

RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);

- rtl_tx_performance_tweak(pdev,
- (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
+ if (tp->dev->mtu <= ETH_DATA_LEN) {
+ rtl_tx_performance_tweak(pdev, (0x5 << MAX_READ_REQUEST_SHIFT) |
+ PCI_EXP_DEVCTL_NOSNOOP_EN);
+ }
}

static void rtl_hw_start_8168bef(struct rtl8169_private *tp)
@@ -4600,7 +4600,8 @@ static void __rtl_hw_start_8168cp(struct rtl8169_private *tp)

RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);

- rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+ if (tp->dev->mtu <= ETH_DATA_LEN)
+ rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

rtl_disable_clock_request(pdev);

@@ -4634,7 +4635,8 @@ static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp)

RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);

- rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+ if (tp->dev->mtu <= ETH_DATA_LEN)
+ rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}
@@ -4653,7 +4655,8 @@ static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp)

RTL_W8(MaxTxPacketSize, TxPacketMax);

- rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+ if (tp->dev->mtu <= ETH_DATA_LEN)
+ rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}
@@ -4714,7 +4717,8 @@ static void rtl_hw_start_8168d(struct rtl8169_private *tp)

RTL_W8(MaxTxPacketSize, TxPacketMax);

- rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+ if (tp->dev->mtu <= ETH_DATA_LEN)
+ rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
}
@@ -4726,7 +4730,8 @@ static void rtl_hw_start_8168dp(struct rtl8169_private *tp)

rtl_csi_access_enable_1(tp);

- rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+ if (tp->dev->mtu <= ETH_DATA_LEN)
+ rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

RTL_W8(MaxTxPacketSize, TxPacketMax);

@@ -4785,7 +4790,8 @@ static void rtl_hw_start_8168e_1(struct rtl8169_private *tp)

rtl_ephy_init(ioaddr, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));

- rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+ if (tp->dev->mtu <= ETH_DATA_LEN)
+ rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

RTL_W8(MaxTxPacketSize, TxPacketMax);

@@ -4811,7 +4817,8 @@ static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)

rtl_ephy_init(ioaddr, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));

- rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+ if (tp->dev->mtu <= ETH_DATA_LEN)
+ rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);

rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
@@ -5787,8 +5794,6 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
!(status & (RxRWT | RxFOVF)) &&
(dev->features & NETIF_F_RXALL))
goto process_pkt;
-
- rtl8169_mark_to_asic(desc, rx_buf_sz);
} else {
struct sk_buff *skb;
dma_addr_t addr;
@@ -5809,16 +5814,14 @@ process_pkt:
if (unlikely(rtl8169_fragmented_frame(status))) {
dev->stats.rx_dropped++;
dev->stats.rx_length_errors++;
- rtl8169_mark_to_asic(desc, rx_buf_sz);
- continue;
+ goto release_descriptor;
}

skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
tp, pkt_size, addr);
- rtl8169_mark_to_asic(desc, rx_buf_sz);
if (!skb) {
dev->stats.rx_dropped++;
- continue;
+ goto release_descriptor;
}

rtl8169_rx_csum(skb, status);
@@ -5834,6 +5837,10 @@ process_pkt:
tp->rx_stats.bytes += pkt_size;
u64_stats_update_end(&tp->rx_stats.syncp);
}
+release_descriptor:
+ desc->opts2 = 0;
+ wmb();
+ rtl8169_mark_to_asic(desc, rx_buf_sz);
}

count = cur_rx - tp->cur_rx;
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index eb85217..192026f 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -640,7 +640,7 @@ fail:
int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
u16 *fw_subtype_list, u32 *capabilities)
{
- uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LENMIN];
+ uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LENMAX];
size_t outlen, offset, i;
int port_num = efx_port_num(efx);
int rc;
diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
index 83b4b38..c93004a 100644
--- a/drivers/net/ethernet/tile/tilegx.c
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -927,7 +927,7 @@ static int tile_net_setup_interrupts(struct net_device *dev)
if (info->has_iqueue) {
gxio_mpipe_request_notif_ring_interrupt(
&context, cpu_x(cpu), cpu_y(cpu),
- 1, ingress_irq, info->iqueue.ring);
+ KERNEL_PL, ingress_irq, info->iqueue.ring);
}
}

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 666fc20..0bec603 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -204,7 +204,8 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb)
}

if (port->passthru)
- vlan = list_first_entry(&port->vlans, struct macvlan_dev, list);
+ vlan = list_first_or_null_rcu(&port->vlans,
+ struct macvlan_dev, list);
else
vlan = macvlan_hash_lookup(port, eth->h_dest);
if (vlan == NULL)
@@ -771,7 +772,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
if (err < 0)
goto destroy_port;

- list_add_tail(&vlan->list, &port->vlans);
+ list_add_tail_rcu(&vlan->list, &port->vlans);
netif_stacked_transfer_operstate(lowerdev, dev);

return 0;
@@ -797,7 +798,7 @@ void macvlan_dellink(struct net_device *dev, struct list_head *head)
{
struct macvlan_dev *vlan = netdev_priv(dev);

- list_del(&vlan->list);
+ list_del_rcu(&vlan->list);
unregister_netdevice_queue(dev, head);
}
EXPORT_SYMBOL_GPL(macvlan_dellink);
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index c4c593d..e7d4238 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -633,6 +633,13 @@ static const struct usb_device_id products [] = {
.driver_info = 0,
},

+/* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */
+{
+ USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
+ .driver_info = 0,
+},
+
/*
* WHITELIST!!!
*
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index e064b1d..7589509 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -9,6 +9,7 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/ethtool.h>
+#include <linux/etherdevice.h>
#include <linux/mii.h>
#include <linux/usb.h>
#include <linux/usb/cdc.h>
@@ -174,6 +175,93 @@ err:
return status;
}

+/* default ethernet address used by the modem */
+static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3};
+
+/* Make up an ethernet header if the packet doesn't have one.
+ *
+ * A firmware bug common among several devices cause them to send raw
+ * IP packets under some circumstances. There is no way for the
+ * driver/host to know when this will happen. And even when the bug
+ * hits, some packets will still arrive with an intact header.
+ *
+ * The supported devices are only capably of sending IPv4, IPv6 and
+ * ARP packets on a point-to-point link. Any packet with an ethernet
+ * header will have either our address or a broadcast/multicast
+ * address as destination. ARP packets will always have a header.
+ *
+ * This means that this function will reliably add the appropriate
+ * header iff necessary, provided our hardware address does not start
+ * with 4 or 6.
+ *
+ * Another common firmware bug results in all packets being addressed
+ * to 00:a0:c6:00:00:00 despite the host address being different.
+ * This function will also fixup such packets.
+ */
+static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+ __be16 proto;
+
+ /* usbnet rx_complete guarantees that skb->len is at least
+ * hard_header_len, so we can inspect the dest address without
+ * checking skb->len
+ */
+ switch (skb->data[0] & 0xf0) {
+ case 0x40:
+ proto = htons(ETH_P_IP);
+ break;
+ case 0x60:
+ proto = htons(ETH_P_IPV6);
+ break;
+ case 0x00:
+ if (is_multicast_ether_addr(skb->data))
+ return 1;
+ /* possibly bogus destination - rewrite just in case */
+ skb_reset_mac_header(skb);
+ goto fix_dest;
+ default:
+ /* pass along other packets without modifications */
+ return 1;
+ }
+ if (skb_headroom(skb) < ETH_HLEN)
+ return 0;
+ skb_push(skb, ETH_HLEN);
+ skb_reset_mac_header(skb);
+ eth_hdr(skb)->h_proto = proto;
+ memset(eth_hdr(skb)->h_source, 0, ETH_ALEN);
+fix_dest:
+ memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN);
+ return 1;
+}
+
+/* very simplistic detection of IPv4 or IPv6 headers */
+static bool possibly_iphdr(const char *data)
+{
+ return (data[0] & 0xd0) == 0x40;
+}
+
+/* disallow addresses which may be confused with IP headers */
+static int qmi_wwan_mac_addr(struct net_device *dev, void *p)
+{
+ struct sockaddr *addr = p;
+
+ if (!is_valid_ether_addr(addr->sa_data) ||
+ possibly_iphdr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+ memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+ return 0;
+}
+
+static const struct net_device_ops qmi_wwan_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_set_mac_address = qmi_wwan_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
/* using a counter to merge subdriver requests with our own into a combined state */
static int qmi_wwan_manage_power(struct usbnet *dev, int on)
{
@@ -257,6 +345,18 @@ static int qmi_wwan_bind_shared(struct usbnet *dev, struct usb_interface *intf)
/* save subdriver struct for suspend/resume wrappers */
dev->data[0] = (unsigned long)subdriver;

+ /* Never use the same address on both ends of the link, even
+ * if the buggy firmware told us to.
+ */
+ if (!compare_ether_addr(dev->net->dev_addr, default_modem_addr))
+ eth_hw_addr_random(dev->net);
+
+ /* make MAC addr easily distinguishable from an IP header */
+ if (possibly_iphdr(dev->net->dev_addr)) {
+ dev->net->dev_addr[0] |= 0x02; /* set local assignment bit */
+ dev->net->dev_addr[0] &= 0xbf; /* clear "IP" bit */
+ }
+ dev->net->netdev_ops = &qmi_wwan_netdev_ops;
err:
return rv;
}
@@ -326,6 +426,7 @@ static const struct driver_info qmi_wwan_shared = {
.bind = qmi_wwan_bind_shared,
.unbind = qmi_wwan_unbind_shared,
.manage_power = qmi_wwan_manage_power,
+ .rx_fixup = qmi_wwan_rx_fixup,
};

static const struct driver_info qmi_wwan_force_int0 = {
@@ -607,6 +708,13 @@ static const struct usb_device_id products[] = {
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&qmi_wwan_info,
},
+ { /* Dell Wireless 5804 (Novatel E371) */
+ USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b,
+ USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET,
+ USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&qmi_wwan_info,
+ },

/* Gobi 1000 devices */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 68dd853..e8da084 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1722,6 +1722,7 @@ static int ath9k_sta_add(struct ieee80211_hw *hw,
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_node *an = (struct ath_node *) sta->drv_priv;
struct ieee80211_key_conf ps_key = { };
+ int key;

ath_node_attach(sc, sta, vif);

@@ -1729,7 +1730,9 @@ static int ath9k_sta_add(struct ieee80211_hw *hw,
vif->type != NL80211_IFTYPE_AP_VLAN)
return 0;

- an->ps_key = ath_key_config(common, vif, sta, &ps_key);
+ key = ath_key_config(common, vif, sta, &ps_key);
+ if (key > 0)
+ an->ps_key = key;

return 0;
}
@@ -1746,6 +1749,7 @@ static void ath9k_del_ps_key(struct ath_softc *sc,
return;

ath_key_delete(common, &ps_key);
+ an->ps_key = 0;
}

static int ath9k_sta_remove(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 1221469..ee3d640 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1733,6 +1733,25 @@ drop_recycle_buffer:
sync_descbuffer_for_device(ring, dmaaddr, ring->rx_buffersize);
}

+void b43_dma_handle_rx_overflow(struct b43_dmaring *ring)
+{
+ int current_slot, previous_slot;
+
+ B43_WARN_ON(ring->tx);
+
+ /* Device has filled all buffers, drop all packets and let TCP
+ * decrease speed.
+ * Decrement RX index by one will let the device to see all slots
+ * as free again
+ */
+ /*
+ *TODO: How to increase rx_drop in mac80211?
+ */
+ current_slot = ring->ops->get_current_rxslot(ring);
+ previous_slot = prev_slot(ring, current_slot);
+ ring->ops->set_current_rxslot(ring, previous_slot);
+}
+
void b43_dma_rx(struct b43_dmaring *ring)
{
const struct b43_dma_ops *ops = ring->ops;
diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h
index 9fdd198..df8c8cd 100644
--- a/drivers/net/wireless/b43/dma.h
+++ b/drivers/net/wireless/b43/dma.h
@@ -9,7 +9,7 @@
/* DMA-Interrupt reasons. */
#define B43_DMAIRQ_FATALMASK ((1 << 10) | (1 << 11) | (1 << 12) \
| (1 << 14) | (1 << 15))
-#define B43_DMAIRQ_NONFATALMASK (1 << 13)
+#define B43_DMAIRQ_RDESC_UFLOW (1 << 13)
#define B43_DMAIRQ_RX_DONE (1 << 16)

/*** 32-bit DMA Engine. ***/
@@ -295,6 +295,8 @@ int b43_dma_tx(struct b43_wldev *dev,
void b43_dma_handle_txstatus(struct b43_wldev *dev,
const struct b43_txstatus *status);

+void b43_dma_handle_rx_overflow(struct b43_dmaring *ring);
+
void b43_dma_rx(struct b43_dmaring *ring);

void b43_dma_direct_fifo_rx(struct b43_wldev *dev,
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 12603b8..f8fd420 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -1895,30 +1895,18 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev)
}
}

- if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK |
- B43_DMAIRQ_NONFATALMASK))) {
- if (merged_dma_reason & B43_DMAIRQ_FATALMASK) {
- b43err(dev->wl, "Fatal DMA error: "
- "0x%08X, 0x%08X, 0x%08X, "
- "0x%08X, 0x%08X, 0x%08X\n",
- dma_reason[0], dma_reason[1],
- dma_reason[2], dma_reason[3],
- dma_reason[4], dma_reason[5]);
- b43err(dev->wl, "This device does not support DMA "
+ if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK))) {
+ b43err(dev->wl,
+ "Fatal DMA error: 0x%08X, 0x%08X, 0x%08X, 0x%08X, 0x%08X, 0x%08X\n",
+ dma_reason[0], dma_reason[1],
+ dma_reason[2], dma_reason[3],
+ dma_reason[4], dma_reason[5]);
+ b43err(dev->wl, "This device does not support DMA "
"on your system. It will now be switched to PIO.\n");
- /* Fall back to PIO transfers if we get fatal DMA errors! */
- dev->use_pio = true;
- b43_controller_restart(dev, "DMA error");
- return;
- }
- if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) {
- b43err(dev->wl, "DMA error: "
- "0x%08X, 0x%08X, 0x%08X, "
- "0x%08X, 0x%08X, 0x%08X\n",
- dma_reason[0], dma_reason[1],
- dma_reason[2], dma_reason[3],
- dma_reason[4], dma_reason[5]);
- }
+ /* Fall back to PIO transfers if we get fatal DMA errors! */
+ dev->use_pio = true;
+ b43_controller_restart(dev, "DMA error");
+ return;
}

if (unlikely(reason & B43_IRQ_UCODE_DEBUG))
@@ -1937,6 +1925,11 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev)
handle_irq_noise(dev);

/* Check the DMA reason registers for received data. */
+ if (dma_reason[0] & B43_DMAIRQ_RDESC_UFLOW) {
+ if (B43_DEBUG)
+ b43warn(dev->wl, "RX descriptor underrun\n");
+ b43_dma_handle_rx_overflow(dev->dma.rx_ring);
+ }
if (dma_reason[0] & B43_DMAIRQ_RX_DONE) {
if (b43_using_pio_transfers(dev))
b43_pio_rx(dev->pio.rx_queue);
@@ -1994,7 +1987,7 @@ static irqreturn_t b43_do_interrupt(struct b43_wldev *dev)
return IRQ_NONE;

dev->dma_reason[0] = b43_read32(dev, B43_MMIO_DMA0_REASON)
- & 0x0001DC00;
+ & 0x0001FC00;
dev->dma_reason[1] = b43_read32(dev, B43_MMIO_DMA1_REASON)
& 0x0000DC00;
dev->dma_reason[2] = b43_read32(dev, B43_MMIO_DMA2_REASON)
@@ -3121,7 +3114,7 @@ static int b43_chip_init(struct b43_wldev *dev)
b43_write32(dev, 0x018C, 0x02000000);
}
b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, 0x00004000);
- b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001DC00);
+ b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001FC00);
b43_write32(dev, B43_MMIO_DMA1_IRQ_MASK, 0x0000DC00);
b43_write32(dev, B43_MMIO_DMA2_IRQ_MASK, 0x0000DC00);
b43_write32(dev, B43_MMIO_DMA3_IRQ_MASK, 0x0001DC00);
diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c
index 0c8a1c2..f482515 100644
--- a/drivers/net/wireless/iwlwifi/iwl-pci.c
+++ b/drivers/net/wireless/iwlwifi/iwl-pci.c
@@ -243,6 +243,7 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
{IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
{IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
{IWL_PCI_DEVICE(0x088E, 0x4860, iwl6035_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x088F, 0x5260, iwl6035_2agn_cfg)},

/* 105 Series */
{IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)},
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index fc3b6f4..40b7f0e 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -1141,6 +1141,7 @@ mwifiex_process_hs_config(struct mwifiex_adapter *adapter)
adapter->if_ops.wakeup(adapter);
adapter->hs_activated = false;
adapter->is_hs_configured = false;
+ adapter->is_suspended = false;
mwifiex_hs_activated_event(mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_ANY),
false);
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index a5db9f1a..fc6ae9b 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -105,7 +105,7 @@ int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
} else {
/* Multicast */
priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
- if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) {
+ if (mcast_list->mode == MWIFIEX_ALL_MULTI_MODE) {
dev_dbg(priv->adapter->dev,
"info: Enabling All Multicast!\n");
priv->curr_pkt_filter |=
@@ -117,20 +117,11 @@ int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
dev_dbg(priv->adapter->dev,
"info: Set multicast list=%d\n",
mcast_list->num_multicast_addr);
- /* Set multicast addresses to firmware */
- if (old_pkt_filter == priv->curr_pkt_filter) {
- /* Send request to firmware */
- ret = mwifiex_send_cmd_async(priv,
- HostCmd_CMD_MAC_MULTICAST_ADR,
- HostCmd_ACT_GEN_SET, 0,
- mcast_list);
- } else {
- /* Send request to firmware */
- ret = mwifiex_send_cmd_async(priv,
- HostCmd_CMD_MAC_MULTICAST_ADR,
- HostCmd_ACT_GEN_SET, 0,
- mcast_list);
- }
+ /* Send multicast addresses to firmware */
+ ret = mwifiex_send_cmd_async(priv,
+ HostCmd_CMD_MAC_MULTICAST_ADR,
+ HostCmd_ACT_GEN_SET, 0,
+ mcast_list);
}
}
}
diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c
index 22b2dfa..fdacfce 100644
--- a/drivers/platform/x86/hp_accel.c
+++ b/drivers/platform/x86/hp_accel.c
@@ -362,7 +362,8 @@ static int lis3lv02d_suspend(struct acpi_device *device, pm_message_t state)

static int lis3lv02d_resume(struct acpi_device *device)
{
- return lis3lv02d_poweron(&lis3_dev);
+ lis3lv02d_poweron(&lis3_dev);
+ return 0;
}
#else
#define lis3lv02d_suspend NULL
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index 8361187..9ea2555 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -264,6 +264,7 @@ static int __devinit pcf2123_probe(struct spi_device *spi)

if (!(rxbuf[0] & 0x20)) {
dev_err(&spi->dev, "chip not found\n");
+ ret = -ENODEV;
goto kfree_exit;
}

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 043395d0..45518b7 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -141,6 +141,7 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr,
char *buffer_data;
struct scsi_mode_data data;
struct scsi_sense_hdr sshdr;
+ const char *temp = "temporary ";
int len;

if (sdp->type != TYPE_DISK)
@@ -149,6 +150,13 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr,
* it's not worth the risk */
return -EINVAL;

+ if (strncmp(buf, temp, sizeof(temp) - 1) == 0) {
+ buf += sizeof(temp) - 1;
+ sdkp->cache_override = 1;
+ } else {
+ sdkp->cache_override = 0;
+ }
+
for (i = 0; i < ARRAY_SIZE(sd_cache_types); i++) {
len = strlen(sd_cache_types[i]);
if (strncmp(sd_cache_types[i], buf, len) == 0 &&
@@ -161,6 +169,13 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr,
return -EINVAL;
rcd = ct & 0x01 ? 1 : 0;
wce = ct & 0x02 ? 1 : 0;
+
+ if (sdkp->cache_override) {
+ sdkp->WCE = wce;
+ sdkp->RCD = rcd;
+ return count;
+ }
+
if (scsi_mode_sense(sdp, 0x08, 8, buffer, sizeof(buffer), SD_TIMEOUT,
SD_MAX_RETRIES, &data, NULL))
return -EINVAL;
@@ -2127,6 +2142,10 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer)
int old_rcd = sdkp->RCD;
int old_dpofua = sdkp->DPOFUA;

+
+ if (sdkp->cache_override)
+ return;
+
first_len = 4;
if (sdp->skip_ms_page_8) {
if (sdp->type == TYPE_RBC)
@@ -2608,6 +2627,7 @@ static void sd_probe_async(void *data, async_cookie_t cookie)
sdkp->capacity = 0;
sdkp->media_present = 1;
sdkp->write_prot = 0;
+ sdkp->cache_override = 0;
sdkp->WCE = 0;
sdkp->RCD = 0;
sdkp->ATO = 0;
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index f703f48..e2b2956 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -67,6 +67,7 @@ struct scsi_disk {
u8 protection_type;/* Data Integrity Field */
u8 provisioning_mode;
unsigned ATO : 1; /* state of disk ATO bit */
+ unsigned cache_override : 1; /* temp override of WCE,RCD */
unsigned WCE : 1; /* state of disk WCE bit */
unsigned RCD : 1; /* state of disk RCD bit, unused */
unsigned DPOFUA : 1; /* state of disk DPOFUA bit */
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index ecdd46d..0f49a97 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -819,7 +819,7 @@ static int iscsit_attach_ooo_cmdsn(
/*
* CmdSN is greater than the tail of the list.
*/
- if (ooo_tail->cmdsn < ooo_cmdsn->cmdsn)
+ if (iscsi_sna_lt(ooo_tail->cmdsn, ooo_cmdsn->cmdsn))
list_add_tail(&ooo_cmdsn->ooo_list,
&sess->sess_ooo_cmdsn_list);
else {
@@ -829,11 +829,12 @@ static int iscsit_attach_ooo_cmdsn(
*/
list_for_each_entry(ooo_tmp, &sess->sess_ooo_cmdsn_list,
ooo_list) {
- if (ooo_tmp->cmdsn < ooo_cmdsn->cmdsn)
+ if (iscsi_sna_lt(ooo_tmp->cmdsn, ooo_cmdsn->cmdsn))
continue;

+ /* Insert before this entry */
list_add(&ooo_cmdsn->ooo_list,
- &ooo_tmp->ooo_list);
+ ooo_tmp->ooo_list.prev);
break;
}
}
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 848d0bc..8d0b1e8 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2459,14 +2459,21 @@ static int handle_tx_event(struct xhci_hcd *xhci,
* TD list.
*/
if (list_empty(&ep_ring->td_list)) {
- xhci_warn(xhci, "WARN Event TRB for slot %d ep %d "
- "with no TDs queued?\n",
- TRB_TO_SLOT_ID(le32_to_cpu(event->flags)),
- ep_index);
- xhci_dbg(xhci, "Event TRB with TRB type ID %u\n",
- (le32_to_cpu(event->flags) &
- TRB_TYPE_BITMASK)>>10);
- xhci_print_trb_offsets(xhci, (union xhci_trb *) event);
+ /*
+ * A stopped endpoint may generate an extra completion
+ * event if the device was suspended. Don't print
+ * warnings.
+ */
+ if (!(trb_comp_code == COMP_STOP ||
+ trb_comp_code == COMP_STOP_INVAL)) {
+ xhci_warn(xhci, "WARN Event TRB for slot %d ep %d with no TDs queued?\n",
+ TRB_TO_SLOT_ID(le32_to_cpu(event->flags)),
+ ep_index);
+ xhci_dbg(xhci, "Event TRB with TRB type ID %u\n",
+ (le32_to_cpu(event->flags) &
+ TRB_TYPE_BITMASK)>>10);
+ xhci_print_trb_offsets(xhci, (union xhci_trb *) event);
+ }
if (ep->skip) {
ep->skip = false;
xhci_dbg(xhci, "td_list is empty while skip "
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 18ded2d..a01317c 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -1228,6 +1228,8 @@ static void fbcon_deinit(struct vc_data *vc)
finished:

fbcon_free_font(p, free_font);
+ if (free_font)
+ vc->vc_font.data = NULL;

if (!con_is_bound(&fb_con))
fbcon_exit();
diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
index ef8edec..05a5310 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -524,6 +524,7 @@ int watchdog_dev_register(struct watchdog_device *watchdog)
int err, devno;

if (watchdog->id == 0) {
+ old_wdd = watchdog;
watchdog_miscdev.parent = watchdog->parent;
err = misc_register(&watchdog_miscdev);
if (err != 0) {
@@ -532,9 +533,9 @@ int watchdog_dev_register(struct watchdog_device *watchdog)
if (err == -EBUSY)
pr_err("%s: a legacy watchdog module is probably present.\n",
watchdog->info->identity);
+ old_wdd = NULL;
return err;
}
- old_wdd = watchdog;
}

/* Fill in the data structures */
diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c
index 1feb68e..b1cdb0a 100644
--- a/fs/autofs4/expire.c
+++ b/fs/autofs4/expire.c
@@ -61,15 +61,6 @@ static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry)
/* This is an autofs submount, we can't expire it */
if (autofs_type_indirect(sbi->type))
goto done;
-
- /*
- * Otherwise it's an offset mount and we need to check
- * if we can umount its mount, if there is one.
- */
- if (!d_mountpoint(path.dentry)) {
- status = 0;
- goto done;
- }
}

/* Update the expiry counter if fs is busy */
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 9777e2f..4986dd3 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1980,7 +1980,11 @@ repeat:
group = ac->ac_g_ex.fe_group;

for (i = 0; i < ngroups; group++, i++) {
- if (group == ngroups)
+ /*
+ * Artificially restricted ngroups for non-extent
+ * files makes group > ngroups possible on first loop.
+ */
+ if (group >= ngroups)
group = 0;

/* This now checks without needing the buddy page */
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 097a7b0..d0ba1a9 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1680,6 +1680,10 @@ int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count)
return 0;

ext4_get_group_no_and_offset(sb, n_blocks_count - 1, &n_group, &offset);
+ if (n_group > (0xFFFFFFFFUL / EXT4_INODES_PER_GROUP(sb))) {
+ ext4_warning(sb, "resize would cause inodes_count overflow");
+ return -EINVAL;
+ }
ext4_get_group_no_and_offset(sb, o_blocks_count - 1, &o_group, &offset);

n_desc_blocks = (n_group + EXT4_DESC_PER_BLOCK(sb)) /
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index cc9281b..c24fe37 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -927,9 +927,13 @@ static int can_do_hugetlb_shm(void)
return capable(CAP_IPC_LOCK) || in_group_p(sysctl_hugetlb_shm_group);
}

-struct file *hugetlb_file_setup(const char *name, unsigned long addr,
- size_t size, vm_flags_t acctflag,
- struct user_struct **user, int creat_flags)
+/*
+ * Note that size should be aligned to proper hugepage size in caller side,
+ * otherwise hugetlb_reserve_pages reserves one less hugepages than intended.
+ */
+struct file *hugetlb_file_setup(const char *name, size_t size,
+ vm_flags_t acctflag, struct user_struct **user,
+ int creat_flags)
{
int error = -ENOMEM;
struct file *file;
@@ -937,8 +941,6 @@ struct file *hugetlb_file_setup(const char *name, unsigned long addr,
struct path path;
struct dentry *root;
struct qstr quick_string;
- struct hstate *hstate;
- unsigned long num_pages;

*user = NULL;
if (!hugetlbfs_vfsmount)
@@ -972,12 +974,10 @@ struct file *hugetlb_file_setup(const char *name, unsigned long addr,
if (!inode)
goto out_dentry;

- hstate = hstate_inode(inode);
- size += addr & ~huge_page_mask(hstate);
- num_pages = ALIGN(size, huge_page_size(hstate)) >>
- huge_page_shift(hstate);
error = -ENOMEM;
- if (hugetlb_reserve_pages(inode, 0, num_pages, NULL, acctflag))
+ if (hugetlb_reserve_pages(inode, 0,
+ size >> huge_page_shift(hstate_inode(inode)), NULL,
+ acctflag))
goto out_inode;

d_instantiate(path.dentry, inode);
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index dd0308d..372eece 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -270,6 +270,7 @@ static __be32
do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open)
{
__be32 status;
+ int accmode = 0;

/* We don't know the target directory, and therefore can not
* set the change info
@@ -283,9 +284,19 @@ do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_

open->op_truncate = (open->op_iattr.ia_valid & ATTR_SIZE) &&
(open->op_iattr.ia_size == 0);
+ /*
+ * In the delegation case, the client is telling us about an
+ * open that it *already* performed locally, some time ago. We
+ * should let it succeed now if possible.
+ *
+ * In the case of a CLAIM_FH open, on the other hand, the client
+ * may be counting on us to enforce permissions (the Linux 4.1
+ * client uses this for normal opens, for example).
+ */
+ if (open->op_claim_type == NFS4_OPEN_CLAIM_DELEG_CUR_FH)
+ accmode = NFSD_MAY_OWNER_OVERRIDE;

- status = do_open_permission(rqstp, current_fh, open,
- NFSD_MAY_OWNER_OVERRIDE);
+ status = do_open_permission(rqstp, current_fh, open, accmode);

return status;
}
@@ -893,14 +904,14 @@ nfsd4_write(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,

nfs4_lock_state();
status = nfs4_preprocess_stateid_op(cstate, stateid, WR_STATE, &filp);
- if (filp)
- get_file(filp);
- nfs4_unlock_state();
-
if (status) {
+ nfs4_unlock_state();
dprintk("NFSD: nfsd4_write: couldn't process stateid!\n");
return status;
}
+ if (filp)
+ get_file(filp);
+ nfs4_unlock_state();

cnt = write->wr_buflen;
write->wr_how_written = write->wr_stable_how;
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index c4daf96..718338f 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -214,13 +214,7 @@ static void __nfs4_file_put_access(struct nfs4_file *fp, int oflag)
{
if (atomic_dec_and_test(&fp->fi_access[oflag])) {
nfs4_file_put_fd(fp, oflag);
- /*
- * It's also safe to get rid of the RDWR open *if*
- * we no longer have need of the other kind of access
- * or if we already have the other kind of open:
- */
- if (fp->fi_fds[1-oflag]
- || atomic_read(&fp->fi_access[1 - oflag]) == 0)
+ if (atomic_read(&fp->fi_access[1 - oflag]) == 0)
nfs4_file_put_fd(fp, O_RDWR);
}
}
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 4684514..b2ae2da 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -343,10 +343,7 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval,
all 32 bits of 'nseconds'. */
READ_BUF(12);
len += 12;
- READ32(dummy32);
- if (dummy32)
- return nfserr_inval;
- READ32(iattr->ia_atime.tv_sec);
+ READ64(iattr->ia_atime.tv_sec);
READ32(iattr->ia_atime.tv_nsec);
if (iattr->ia_atime.tv_nsec >= (u32)1000000000)
return nfserr_inval;
@@ -369,10 +366,7 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval,
all 32 bits of 'nseconds'. */
READ_BUF(12);
len += 12;
- READ32(dummy32);
- if (dummy32)
- return nfserr_inval;
- READ32(iattr->ia_mtime.tv_sec);
+ READ64(iattr->ia_mtime.tv_sec);
READ32(iattr->ia_mtime.tv_nsec);
if (iattr->ia_mtime.tv_nsec >= (u32)1000000000)
return nfserr_inval;
@@ -2397,8 +2391,7 @@ out_acl:
if (bmval1 & FATTR4_WORD1_TIME_ACCESS) {
if ((buflen -= 12) < 0)
goto out_resource;
- WRITE32(0);
- WRITE32(stat.atime.tv_sec);
+ WRITE64((s64)stat.atime.tv_sec);
WRITE32(stat.atime.tv_nsec);
}
if (bmval1 & FATTR4_WORD1_TIME_DELTA) {
@@ -2411,15 +2404,13 @@ out_acl:
if (bmval1 & FATTR4_WORD1_TIME_METADATA) {
if ((buflen -= 12) < 0)
goto out_resource;
- WRITE32(0);
- WRITE32(stat.ctime.tv_sec);
+ WRITE64((s64)stat.ctime.tv_sec);
WRITE32(stat.ctime.tv_nsec);
}
if (bmval1 & FATTR4_WORD1_TIME_MODIFY) {
if ((buflen -= 12) < 0)
goto out_resource;
- WRITE32(0);
- WRITE32(stat.mtime.tv_sec);
+ WRITE64((s64)stat.mtime.tv_sec);
WRITE32(stat.mtime.tv_nsec);
}
if (bmval1 & FATTR4_WORD1_MOUNTED_ON_FILEID) {
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 31ad880..29942fe 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1566,9 +1566,8 @@ extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *s

void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
-int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle);
-int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
-void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
+int drm_prime_lookup_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
+void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);

int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj);
int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf,
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 1b7557a..56650b7 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -227,6 +227,7 @@
{0x1002, 0x6819, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6821, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x6822, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6823, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6824, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -234,11 +235,13 @@
{0x1002, 0x6827, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6829, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x682A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x682B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x682D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x682F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6830, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6831, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x6835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6838, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6839, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VERDE|RADEON_NEW_MEMMAP}, \
@@ -590,6 +593,8 @@
{0x1002, 0x9999, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x999A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x999B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x999C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+ {0x1002, 0x999D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x99A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x99A2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
{0x1002, 0x99A4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
diff --git a/include/linux/audit.h b/include/linux/audit.h
index eaa7c9f..41b4e49 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -481,7 +481,7 @@ static inline void audit_syscall_entry(int arch, int major, unsigned long a0,
unsigned long a1, unsigned long a2,
unsigned long a3)
{
- if (unlikely(!audit_dummy_context()))
+ if (unlikely(current->audit_context))
__audit_syscall_entry(arch, major, a0, a1, a2, a3);
}
static inline void audit_syscall_exit(void *pt_regs)
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index d5d6bbe..b8cdad6 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -152,8 +152,7 @@ static inline struct hugetlbfs_sb_info *HUGETLBFS_SB(struct super_block *sb)

extern const struct file_operations hugetlbfs_file_operations;
extern const struct vm_operations_struct hugetlb_vm_ops;
-struct file *hugetlb_file_setup(const char *name, unsigned long addr,
- size_t size, vm_flags_t acct,
+struct file *hugetlb_file_setup(const char *name, size_t size, vm_flags_t acct,
struct user_struct **user, int creat_flags);

static inline int is_file_hugepages(struct file *file)
@@ -170,8 +169,8 @@ static inline int is_file_hugepages(struct file *file)

#define is_file_hugepages(file) 0
static inline struct file *
-hugetlb_file_setup(const char *name, unsigned long addr, size_t size,
- vm_flags_t acctflag, struct user_struct **user, int creat_flags)
+hugetlb_file_setup(const char *name, size_t size, vm_flags_t acctflag,
+ struct user_struct **user, int creat_flags)
{
return ERR_PTR(-ENOSYS);
}
@@ -302,7 +301,7 @@ static inline unsigned hstate_index_to_shift(unsigned index)
return hstates[index].order + PAGE_SHIFT;
}

-#else
+#else /* CONFIG_HUGETLB_PAGE */
struct hstate {};
#define alloc_huge_page_node(h, nid) NULL
#define alloc_bootmem_huge_page(h) NULL
diff --git a/include/linux/if_cablemodem.h b/include/linux/if_cablemodem.h
index 9ca1007..ee6b3c4 100644
--- a/include/linux/if_cablemodem.h
+++ b/include/linux/if_cablemodem.h
@@ -12,11 +12,11 @@
*/

/* some useful defines for sb1000.c e cmconfig.c - fv */
-#define SIOCGCMSTATS SIOCDEVPRIVATE+0 /* get cable modem stats */
-#define SIOCGCMFIRMWARE SIOCDEVPRIVATE+1 /* get cm firmware version */
-#define SIOCGCMFREQUENCY SIOCDEVPRIVATE+2 /* get cable modem frequency */
-#define SIOCSCMFREQUENCY SIOCDEVPRIVATE+3 /* set cable modem frequency */
-#define SIOCGCMPIDS SIOCDEVPRIVATE+4 /* get cable modem PIDs */
-#define SIOCSCMPIDS SIOCDEVPRIVATE+5 /* set cable modem PIDs */
+#define SIOCGCMSTATS (SIOCDEVPRIVATE+0) /* get cable modem stats */
+#define SIOCGCMFIRMWARE (SIOCDEVPRIVATE+1) /* get cm firmware version */
+#define SIOCGCMFREQUENCY (SIOCDEVPRIVATE+2) /* get cable modem frequency */
+#define SIOCSCMFREQUENCY (SIOCDEVPRIVATE+3) /* set cable modem frequency */
+#define SIOCGCMPIDS (SIOCDEVPRIVATE+4) /* get cable modem PIDs */
+#define SIOCSCMPIDS (SIOCDEVPRIVATE+5) /* set cable modem PIDs */

#endif
diff --git a/include/net/sock.h b/include/net/sock.h
index 5e904e6..2a3d405 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -807,6 +807,18 @@ struct inet_hashinfo;
struct raw_hashinfo;
struct module;

+/*
+ * caches using SLAB_DESTROY_BY_RCU should let .next pointer from nulls nodes
+ * un-modified. Special care is taken when initializing object to zero.
+ */
+static inline void sk_prot_clear_nulls(struct sock *sk, int size)
+{
+ if (offsetof(struct sock, sk_node.next) != 0)
+ memset(sk, 0, offsetof(struct sock, sk_node.next));
+ memset(&sk->sk_node.pprev, 0,
+ size - offsetof(struct sock, sk_node.pprev));
+}
+
/* Networking protocol blocks we attach to sockets.
* socket layer -> transport layer interface
* transport -> network interface is defined by struct inet_proto
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 851f8fa..4857dce 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -982,6 +982,7 @@ static inline bool tcp_prequeue(struct sock *sk, struct sk_buff *skb)
if (sysctl_tcp_low_latency || !tp->ucopy.task)
return false;

+ skb_dst_force(skb);
__skb_queue_tail(&tp->ucopy.prequeue, skb);
tp->ucopy.memory += skb->truesize;
if (tp->ucopy.memory > sk->sk_rcvbuf) {
diff --git a/ipc/shm.c b/ipc/shm.c
index f5ba6ac..54e17db 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -491,10 +491,12 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)

sprintf (name, "SYSV%08x", key);
if (shmflg & SHM_HUGETLB) {
+ size_t hugesize = ALIGN(size, huge_page_size(&default_hstate));
+
/* hugetlb_file_setup applies strict accounting */
if (shmflg & SHM_NORESERVE)
acctflag = VM_NORESERVE;
- file = hugetlb_file_setup(name, 0, size, acctflag,
+ file = hugetlb_file_setup(name, hugesize, acctflag,
&shp->mlock_user, HUGETLB_SHMFS_INODE);
} else {
/*
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index 31fdc48..0caf1f8 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -608,9 +608,9 @@ void audit_trim_trees(void)
}
spin_unlock(&hash_lock);
trim_marked(tree);
- put_tree(tree);
drop_collected_mounts(root_mnt);
skip_it:
+ put_tree(tree);
mutex_lock(&audit_filter_mutex);
}
list_del(&cursor);
diff --git a/kernel/kmod.c b/kernel/kmod.c
index ff2c7cb..cc76ad6 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -541,6 +541,11 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait)
int retval = 0;

helper_lock();
+ if (!sub_info->path) {
+ retval = -EINVAL;
+ goto out;
+ }
+
if (sub_info->path[0] == '\0')
goto out;

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index cc1825f..5d969d8 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -889,7 +889,7 @@ void tick_cancel_sched_timer(int cpu)
hrtimer_cancel(&ts->sched_timer);
# endif

- ts->nohz_mode = NOHZ_MODE_INACTIVE;
+ memset(ts, 0, sizeof(*ts));
}
#endif

diff --git a/kernel/timer.c b/kernel/timer.c
index ad4ced1..742912b 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1688,12 +1688,12 @@ static int __cpuinit init_timers_cpu(int cpu)
boot_done = 1;
base = &boot_tvec_bases;
}
+ spin_lock_init(&base->lock);
tvec_base_done[cpu] = 1;
} else {
base = per_cpu(tvec_bases, cpu);
}

- spin_lock_init(&base->lock);

for (j = 0; j < TVN_SIZE; j++) {
INIT_LIST_HEAD(base->tv5.vec + j);
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 431dba8..289197a 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -777,7 +777,11 @@ static int filter_set_pred(struct event_filter *filter,

static void __free_preds(struct event_filter *filter)
{
+ int i;
+
if (filter->preds) {
+ for (i = 0; i < filter->n_preds; i++)
+ kfree(filter->preds[i].ops);
kfree(filter->preds);
filter->preds = NULL;
}
diff --git a/mm/mmap.c b/mm/mmap.c
index 76b70c9..f1a9a72 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1116,15 +1116,19 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len,
file = fget(fd);
if (!file)
goto out;
+ if (is_file_hugepages(file))
+ len = ALIGN(len, huge_page_size(hstate_file(file)));
} else if (flags & MAP_HUGETLB) {
struct user_struct *user = NULL;
+
+ len = ALIGN(len, huge_page_size(&default_hstate));
/*
* VM_NORESERVE is used because the reservations will be
* taken when vm_ops->mmap() is called
* A dummy user value is used because we are not locking
* memory so no accounting is necessary
*/
- file = hugetlb_file_setup(HUGETLB_ANON_FILE, addr, len,
+ file = hugetlb_file_setup(HUGETLB_ANON_FILE, len,
VM_NORESERVE, &user,
HUGETLB_ANONHUGE_INODE);
if (IS_ERR(file))
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index da1bc9c..7005e08 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -598,7 +598,7 @@ static netdev_features_t vlan_dev_fix_features(struct net_device *dev,
netdev_features_t features)
{
struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
- u32 old_features = features;
+ netdev_features_t old_features = features;

features &= real_dev->vlan_features;
features |= NETIF_F_RXCSUM;
diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c
index a6747e6..acc63a4 100644
--- a/net/bridge/br_stp_timer.c
+++ b/net/bridge/br_stp_timer.c
@@ -107,7 +107,7 @@ static void br_tcn_timer_expired(unsigned long arg)

br_debug(br, "tcn timer expired\n");
spin_lock(&br->lock);
- if (br->dev->flags & IFF_UP) {
+ if (!br_is_root_bridge(br) && (br->dev->flags & IFF_UP)) {
br_transmit_tcn(br);

mod_timer(&br->tcn_timer,jiffies + br->bridge_hello_time);
diff --git a/net/core/dev.c b/net/core/dev.c
index ba9d7a7..a0eaa60 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2168,7 +2168,7 @@ EXPORT_SYMBOL(netif_skb_features);
* support DMA from it.
*/
static inline int skb_needs_linearize(struct sk_buff *skb,
- int features)
+ netdev_features_t features)
{
return skb_is_nonlinear(skb) &&
((skb_has_frag_list(skb) &&
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 9c2afb4..86253eb 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -1384,7 +1384,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
void __user *useraddr = ifr->ifr_data;
u32 ethcmd;
int rc;
- u32 old_features;
+ netdev_features_t old_features;

if (!dev || !netif_device_present(dev))
return -ENODEV;
diff --git a/net/core/sock.c b/net/core/sock.c
index 5d30122..457ae99 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1085,18 +1085,6 @@ static void sock_copy(struct sock *nsk, const struct sock *osk)
#endif
}

-/*
- * caches using SLAB_DESTROY_BY_RCU should let .next pointer from nulls nodes
- * un-modified. Special care is taken when initializing object to zero.
- */
-static inline void sk_prot_clear_nulls(struct sock *sk, int size)
-{
- if (offsetof(struct sock, sk_node.next) != 0)
- memset(sk, 0, offsetof(struct sock, sk_node.next));
- memset(&sk->sk_node.pprev, 0,
- size - offsetof(struct sock, sk_node.pprev));
-}
-
void sk_prot_clear_portaddr_nulls(struct sock *sk, int size)
{
unsigned long nulls1, nulls2;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 5d10b81..989c024 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -2034,6 +2034,17 @@ void tcp6_proc_exit(struct net *net)
}
#endif

+static void tcp_v6_clear_sk(struct sock *sk, int size)
+{
+ struct inet_sock *inet = inet_sk(sk);
+
+ /* we do not want to clear pinet6 field, because of RCU lookups */
+ sk_prot_clear_nulls(sk, offsetof(struct inet_sock, pinet6));
+
+ size -= offsetof(struct inet_sock, pinet6) + sizeof(inet->pinet6);
+ memset(&inet->pinet6 + 1, 0, size);
+}
+
struct proto tcpv6_prot = {
.name = "TCPv6",
.owner = THIS_MODULE,
@@ -2075,6 +2086,7 @@ struct proto tcpv6_prot = {
#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
.proto_cgroup = tcp_proto_cgroup,
#endif
+ .clear_sk = tcp_v6_clear_sk,
};

static const struct inet6_protocol tcpv6_protocol = {
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index f05099f..3a5491d 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1499,6 +1499,17 @@ void udp6_proc_exit(struct net *net) {
}
#endif /* CONFIG_PROC_FS */

+void udp_v6_clear_sk(struct sock *sk, int size)
+{
+ struct inet_sock *inet = inet_sk(sk);
+
+ /* we do not want to clear pinet6 field, because of RCU lookups */
+ sk_prot_clear_portaddr_nulls(sk, offsetof(struct inet_sock, pinet6));
+
+ size -= offsetof(struct inet_sock, pinet6) + sizeof(inet->pinet6);
+ memset(&inet->pinet6 + 1, 0, size);
+}
+
/* ------------------------------------------------------------------------ */

struct proto udpv6_prot = {
@@ -1529,7 +1540,7 @@ struct proto udpv6_prot = {
.compat_setsockopt = compat_udpv6_setsockopt,
.compat_getsockopt = compat_udpv6_getsockopt,
#endif
- .clear_sk = sk_prot_clear_portaddr_nulls,
+ .clear_sk = udp_v6_clear_sk,
};

static struct inet_protosw udpv6_protosw = {
diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index d757104..4691ed5 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -31,6 +31,8 @@ extern int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
extern int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb);
extern void udpv6_destroy_sock(struct sock *sk);

+extern void udp_v6_clear_sk(struct sock *sk, int size);
+
#ifdef CONFIG_PROC_FS
extern int udp6_seq_show(struct seq_file *seq, void *v);
#endif
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index 1d08e21..dfcc4be 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -56,7 +56,7 @@ struct proto udplitev6_prot = {
.compat_setsockopt = compat_udpv6_setsockopt,
.compat_getsockopt = compat_udpv6_getsockopt,
#endif
- .clear_sk = sk_prot_clear_portaddr_nulls,
+ .clear_sk = udp_v6_clear_sk,
};

static struct inet_protosw udplite6_protosw = {
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 8625fba..1cfb9a4 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -96,8 +96,10 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
dev_hold(dev);

xdst->u.rt6.rt6i_idev = in6_dev_get(dev);
- if (!xdst->u.rt6.rt6i_idev)
+ if (!xdst->u.rt6.rt6i_idev) {
+ dev_put(dev);
return -ENODEV;
+ }

xdst->u.rt6.rt6i_peer = rt->rt6i_peer;
if (rt->rt6i_peer)
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 02b1ef8..4137d01 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -812,37 +812,33 @@ static void prb_open_block(struct tpacket_kbdq_core *pkc1,

smp_rmb();

- if (likely(TP_STATUS_KERNEL == BLOCK_STATUS(pbd1))) {
+ /* We could have just memset this but we will lose the
+ * flexibility of making the priv area sticky
+ */

- /* We could have just memset this but we will lose the
- * flexibility of making the priv area sticky
- */
- BLOCK_SNUM(pbd1) = pkc1->knxt_seq_num++;
- BLOCK_NUM_PKTS(pbd1) = 0;
- BLOCK_LEN(pbd1) = BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
- getnstimeofday(&ts);
- h1->ts_first_pkt.ts_sec = ts.tv_sec;
- h1->ts_first_pkt.ts_nsec = ts.tv_nsec;
- pkc1->pkblk_start = (char *)pbd1;
- pkc1->nxt_offset = (char *)(pkc1->pkblk_start +
- BLK_PLUS_PRIV(pkc1->blk_sizeof_priv));
- BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
- BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN;
- pbd1->version = pkc1->version;
- pkc1->prev = pkc1->nxt_offset;
- pkc1->pkblk_end = pkc1->pkblk_start + pkc1->kblk_size;
- prb_thaw_queue(pkc1);
- _prb_refresh_rx_retire_blk_timer(pkc1);
+ BLOCK_SNUM(pbd1) = pkc1->knxt_seq_num++;
+ BLOCK_NUM_PKTS(pbd1) = 0;
+ BLOCK_LEN(pbd1) = BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);

- smp_wmb();
+ getnstimeofday(&ts);

- return;
- }
+ h1->ts_first_pkt.ts_sec = ts.tv_sec;
+ h1->ts_first_pkt.ts_nsec = ts.tv_nsec;

- WARN(1, "ERROR block:%p is NOT FREE status:%d kactive_blk_num:%d\n",
- pbd1, BLOCK_STATUS(pbd1), pkc1->kactive_blk_num);
- dump_stack();
- BUG();
+ pkc1->pkblk_start = (char *)pbd1;
+ pkc1->nxt_offset = pkc1->pkblk_start + BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
+
+ BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
+ BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN;
+
+ pbd1->version = pkc1->version;
+ pkc1->prev = pkc1->nxt_offset;
+ pkc1->pkblk_end = pkc1->pkblk_start + pkc1->kblk_size;
+
+ prb_thaw_queue(pkc1);
+ _prb_refresh_rx_retire_blk_timer(pkc1);
+
+ smp_wmb();
}

/*
@@ -933,10 +929,6 @@ static void prb_retire_current_block(struct tpacket_kbdq_core *pkc,
prb_close_block(pkc, pbd, po, status);
return;
}
-
- WARN(1, "ERROR-pbd[%d]:%p\n", pkc->kactive_blk_num, pbd);
- dump_stack();
- BUG();
}

static int prb_curr_blk_in_use(struct tpacket_kbdq_core *pkc,
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 60e281a..bfba52f 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -8,7 +8,7 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
- * Copyright: Jamal Hadi Salim (2002-4)
+ * Copyright: Jamal Hadi Salim (2002-13)
*/

#include <linux/types.h>
@@ -300,17 +300,44 @@ static struct tc_action_ops act_ipt_ops = {
.walk = tcf_generic_walker
};

-MODULE_AUTHOR("Jamal Hadi Salim(2002-4)");
+static struct tc_action_ops act_xt_ops = {
+ .kind = "xt",
+ .hinfo = &ipt_hash_info,
+ .type = TCA_ACT_IPT,
+ .capab = TCA_CAP_NONE,
+ .owner = THIS_MODULE,
+ .act = tcf_ipt,
+ .dump = tcf_ipt_dump,
+ .cleanup = tcf_ipt_cleanup,
+ .lookup = tcf_hash_search,
+ .init = tcf_ipt_init,
+ .walk = tcf_generic_walker
+};
+
+MODULE_AUTHOR("Jamal Hadi Salim(2002-13)");
MODULE_DESCRIPTION("Iptables target actions");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("act_xt");

static int __init ipt_init_module(void)
{
- return tcf_register_action(&act_ipt_ops);
+ int ret1, ret2;
+ ret1 = tcf_register_action(&act_xt_ops);
+ if (ret1 < 0)
+ printk("Failed to load xt action\n");
+ ret2 = tcf_register_action(&act_ipt_ops);
+ if (ret2 < 0)
+ printk("Failed to load ipt action\n");
+
+ if (ret1 < 0 && ret2 < 0)
+ return ret1;
+ else
+ return 0;
}

static void __exit ipt_cleanup_module(void)
{
+ tcf_unregister_action(&act_xt_ops);
tcf_unregister_action(&act_ipt_ops);
}

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index e6b34c8..f33bb78 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -609,6 +609,9 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
struct hda_bus_unsolicited *unsol;
unsigned int wp;

+ if (!bus || !bus->workq)
+ return 0;
+
trace_hda_unsol_event(bus, res, res_ex);
unsol = bus->unsol;
if (!unsol)
diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c
index af7324b..4790568 100644
--- a/sound/soc/codecs/max98088.c
+++ b/sound/soc/codecs/max98088.c
@@ -2006,7 +2006,7 @@ static int max98088_probe(struct snd_soc_codec *codec)
ret);
goto err_access;
}
- dev_info(codec->dev, "revision %c\n", ret + 'A');
+ dev_info(codec->dev, "revision %c\n", ret - 0x40 + 'A');

snd_soc_write(codec, M98088_REG_51_PWR_SYS, M98088_PWRSV);

diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 7b9b4ef..44719a3 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -2778,6 +2778,7 @@ static int wm8994_aif3_hw_params(struct snd_pcm_substream *substream,
default:
return 0;
}
+ break;
default:
return 0;
}
diff --git a/sound/usb/card.c b/sound/usb/card.c
index b3f5ad4..aa25e04 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -619,7 +619,9 @@ int snd_usb_autoresume(struct snd_usb_audio *chip)
int err = -ENODEV;

down_read(&chip->shutdown_rwsem);
- if (!chip->shutdown && !chip->probing)
+ if (chip->probing)
+ err = 0;
+ else if (!chip->shutdown)
err = usb_autopm_get_interface(chip->pm_intf);
up_read(&chip->shutdown_rwsem);

diff --git a/sound/usb/card.h b/sound/usb/card.h
index d5c2e3a..48b7e2f 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -110,6 +110,7 @@ struct snd_usb_substream {
unsigned int altset_idx; /* USB data format: index of alternate setting */
unsigned int txfr_quirk:1; /* allow sub-frame alignment */
unsigned int fmt_type; /* USB audio format type (1-3) */
+ unsigned int pkt_offset_adj; /* Bytes to drop from beginning of packets (for non-compliant devices) */

unsigned int running: 1; /* running status */

diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 34b9bb7..e5fee18 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -126,7 +126,6 @@ struct snd_usb_midi {
struct snd_usb_midi_in_endpoint *in;
} endpoints[MIDI_MAX_ENDPOINTS];
unsigned long input_triggered;
- bool autopm_reference;
unsigned int opened[2];
unsigned char disconnected;
unsigned char input_running;
@@ -1040,7 +1039,6 @@ static int substream_open(struct snd_rawmidi_substream *substream, int dir,
{
struct snd_usb_midi* umidi = substream->rmidi->private_data;
struct snd_kcontrol *ctl;
- int err;

down_read(&umidi->disc_rwsem);
if (umidi->disconnected) {
@@ -1051,13 +1049,6 @@ static int substream_open(struct snd_rawmidi_substream *substream, int dir,
mutex_lock(&umidi->mutex);
if (open) {
if (!umidi->opened[0] && !umidi->opened[1]) {
- err = usb_autopm_get_interface(umidi->iface);
- umidi->autopm_reference = err >= 0;
- if (err < 0 && err != -EACCES) {
- mutex_unlock(&umidi->mutex);
- up_read(&umidi->disc_rwsem);
- return -EIO;
- }
if (umidi->roland_load_ctl) {
ctl = umidi->roland_load_ctl;
ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
@@ -1080,8 +1071,6 @@ static int substream_open(struct snd_rawmidi_substream *substream, int dir,
snd_ctl_notify(umidi->card,
SNDRV_CTL_EVENT_MASK_INFO, &ctl->id);
}
- if (umidi->autopm_reference)
- usb_autopm_put_interface(umidi->iface);
}
}
mutex_unlock(&umidi->mutex);
@@ -2256,6 +2245,8 @@ int snd_usbmidi_create(struct snd_card *card,
return err;
}

+ usb_autopm_get_interface_no_resume(umidi->iface);
+
list_add_tail(&umidi->list, midi_list);
return 0;
}
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index ee3c15c..5fb0164 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -1014,7 +1014,7 @@ static void retire_capture_urb(struct snd_usb_substream *subs,
stride = runtime->frame_bits >> 3;

for (i = 0; i < urb->number_of_packets; i++) {
- cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset;
+ cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset + subs->pkt_offset_adj;
if (urb->iso_frame_desc[i].status && printk_ratelimit()) {
snd_printdd(KERN_ERR "frame %d active: %d\n", i, urb->iso_frame_desc[i].status);
// continue;
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index b7fa802..9c82f8b 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -748,6 +748,7 @@ static void set_format_emu_quirk(struct snd_usb_substream *subs,
break;
}
snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
+ subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
}

void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index 1de0c8c..1891e49b 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -91,6 +91,7 @@ static void snd_usb_init_substream(struct snd_usb_stream *as,
subs->dev = as->chip->dev;
subs->txfr_quirk = as->chip->txfr_quirk;
subs->speed = snd_usb_get_speed(subs->dev);
+ subs->pkt_offset_adj = 0;

snd_usb_set_pcm_ops(as->pcm, stream);

@@ -193,6 +194,14 @@ static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip,
if (!csep && altsd->bNumEndpoints >= 2)
csep = snd_usb_find_desc(alts->endpoint[1].extra, alts->endpoint[1].extralen, NULL, USB_DT_CS_ENDPOINT);

+ /*
+ * If we can't locate the USB_DT_CS_ENDPOINT descriptor in the extra
+ * bytes after the first endpoint, go search the entire interface.
+ * Some devices have it directly *before* the standard endpoint.
+ */
+ if (!csep)
+ csep = snd_usb_find_desc(alts->extra, alts->extralen, NULL, USB_DT_CS_ENDPOINT);
+
if (!csep || csep->bLength < 7 ||
csep->bDescriptorSubtype != UAC_EP_GENERAL) {
snd_printk(KERN_WARNING "%d:%u:%d : no or invalid"

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