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Subject[PATCH 3/3] ide: remove obsoleted "ide=" kernel parameters
Date
* Remove obsoleted "ide=" kernel parameters.

* Remove no longer needed:
- ide_setup()
- parse_options()
- __setup("", ...)
- module_param(options, ...)

* Use module_{init,exit}() for MODULE=y case and remove MODULE ifdef.

* Make ide_*acpi* and ide_doubler variables static.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
drivers/ide/ide-acpi.c | 6 +-
drivers/ide/ide-dma.c | 2
drivers/ide/ide.c | 91 ++-------------------------------------------
drivers/ide/legacy/gayle.c | 3 -
include/linux/ide.h | 4 -
5 files changed, 11 insertions(+), 95 deletions(-)

Index: b/drivers/ide/ide-acpi.c
===================================================================
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -60,15 +60,15 @@ struct ide_acpi_hwif_link {
#define DEBPRINT(fmt, args...) do {} while (0)
#endif /* DEBUGGING */

-int ide_noacpi;
+static int ide_noacpi;
module_param_named(noacpi, ide_noacpi, bool, 0);
MODULE_PARM_DESC(noacpi, "disable IDE ACPI support");

-int ide_acpigtf;
+static int ide_acpigtf;
module_param_named(acpigtf, ide_acpigtf, bool, 0);
MODULE_PARM_DESC(acpigtf, "enable IDE ACPI _GTF support");

-int ide_acpionboot;
+static int ide_acpionboot;
module_param_named(acpionboot, ide_acpionboot, bool, 0);
MODULE_PARM_DESC(acpionboot, "call IDE ACPI methods on boot");

Index: b/drivers/ide/ide-dma.c
===================================================================
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -691,7 +691,7 @@ static int ide_tune_dma(ide_drive_t *dri
ide_hwif_t *hwif = drive->hwif;
u8 speed;

- if (noautodma || drive->nodma || (drive->id->capability & 1) == 0)
+ if (drive->nodma || (drive->id->capability & 1) == 0)
return 0;

/* consult the list of known "bad" drives */
Index: b/drivers/ide/ide.c
===================================================================
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -87,9 +87,9 @@ static const u8 ide_hwif_to_major[] = {
IDE8_MAJOR, IDE9_MAJOR };

DEFINE_MUTEX(ide_cfg_mtx);
- __cacheline_aligned_in_smp DEFINE_SPINLOCK(ide_lock);

-int noautodma = 0;
+__cacheline_aligned_in_smp DEFINE_SPINLOCK(ide_lock);
+EXPORT_SYMBOL(ide_lock);

ide_hwif_t ide_hwifs[MAX_HWIFS]; /* master data repository */

@@ -695,59 +695,6 @@ set_val:

EXPORT_SYMBOL(generic_ide_ioctl);

-/*
- * ide_setup() gets called VERY EARLY during initialization,
- * to handle kernel "command line" strings beginning with "ide".
- *
- * Remember to update Documentation/ide/ide.txt if you change something here.
- */
-static int __init ide_setup(char *s)
-{
- printk(KERN_INFO "ide_setup: %s", s);
-
-#ifdef CONFIG_BLK_DEV_IDEDOUBLER
- if (!strcmp(s, "ide=doubler")) {
- extern int ide_doubler;
-
- printk(" : Enabled support for IDE doublers\n");
- ide_doubler = 1;
- goto obsolete_option;
- }
-#endif /* CONFIG_BLK_DEV_IDEDOUBLER */
-
- if (!strcmp(s, "ide=nodma")) {
- printk(" : Prevented DMA\n");
- noautodma = 1;
- goto obsolete_option;
- }
-
-#ifdef CONFIG_BLK_DEV_IDEACPI
- if (!strcmp(s, "ide=noacpi")) {
- //printk(" : Disable IDE ACPI support.\n");
- ide_noacpi = 1;
- goto obsolete_option;
- }
- if (!strcmp(s, "ide=acpigtf")) {
- //printk(" : Enable IDE ACPI _GTF support.\n");
- ide_acpigtf = 1;
- goto obsolete_option;
- }
- if (!strcmp(s, "ide=acpionboot")) {
- //printk(" : Call IDE ACPI methods on boot.\n");
- ide_acpionboot = 1;
- goto obsolete_option;
- }
-#endif /* CONFIG_BLK_DEV_IDEACPI */
-
- printk(" -- BAD OPTION\n");
- return 1;
-obsolete_option:
- printk(" -- OBSOLETE OPTION, WILL BE REMOVED SOON!\n");
- return 1;
-}
-
-EXPORT_SYMBOL(ide_lock);
-
static int ide_bus_match(struct device *dev, struct device_driver *drv)
{
return 1;
@@ -1092,32 +1039,7 @@ out_port_class:
return ret;
}

-#ifdef MODULE
-static char *options = NULL;
-module_param(options, charp, 0);
-MODULE_LICENSE("GPL");
-
-static void __init parse_options (char *line)
-{
- char *next = line;
-
- if (line == NULL || !*line)
- return;
- while ((line = next) != NULL) {
- if ((next = strchr(line,' ')) != NULL)
- *next++ = 0;
- if (!ide_setup(line))
- printk (KERN_INFO "Unknown option '%s'\n", line);
- }
-}
-
-int __init init_module (void)
-{
- parse_options(options);
- return ide_init();
-}
-
-void __exit cleanup_module (void)
+static void __exit ide_exit(void)
{
int index;

@@ -1131,10 +1053,7 @@ void __exit cleanup_module (void)
bus_unregister(&ide_bus_type);
}

-#else /* !MODULE */
-
-__setup("", ide_setup);
-
module_init(ide_init);
+module_exit(ide_exit);

-#endif /* MODULE */
+MODULE_LICENSE("GPL");
Index: b/drivers/ide/legacy/gayle.c
===================================================================
--- a/drivers/ide/legacy/gayle.c
+++ b/drivers/ide/legacy/gayle.c
@@ -62,7 +62,8 @@
GAYLE_NUM_HWIFS-1)
#define GAYLE_HAS_CONTROL_REG (!ide_doubler)
#define GAYLE_IDEREG_SIZE (ide_doubler ? 0x1000 : 0x2000)
-int ide_doubler = 0; /* support IDE doublers? */
+
+static int ide_doubler;
module_param_named(doubler, ide_doubler, bool, 0);
MODULE_PARM_DESC(doubler, "enable support for IDE doublers");
#endif /* CONFIG_BLK_DEV_IDEDOUBLER */
Index: b/include/linux/ide.h
===================================================================
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -799,10 +799,6 @@ int generic_ide_ioctl(ide_drive_t *, str
#ifndef _IDE_C
extern ide_hwif_t ide_hwifs[]; /* master data repository */
#endif
-extern int ide_noacpi;
-extern int ide_acpigtf;
-extern int ide_acpionboot;
-extern int noautodma;

extern int ide_vlb_clk;
extern int ide_pci_clk;

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