Messages in this thread | | | Date | Wed, 12 Apr 2017 13:47:26 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH] fpga: allow to compile-test Altera FPGA bridge drivers |
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Hi Tobias,
[auto build test WARNING on linus/master] [also build test WARNING on v4.11-rc6 next-20170411] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Tobias-Klauser/fpga-allow-to-compile-test-Altera-FPGA-bridge-drivers/20170411-181401 config: m32r-allmodconfig (attached as .config) compiler: m32r-linux-gcc (GCC) 6.2.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=m32r
All warnings (new ones prefixed by >>):
In file included from include/linux/printk.h:329:0, from include/linux/kernel.h:13, from include/linux/delay.h:21, from drivers/fpga/altera-freeze-bridge.c:18: drivers/fpga/altera-freeze-bridge.c: In function 'altera_freeze_br_do_freeze': >> drivers/fpga/altera-freeze-bridge.c:107:15: warning: format '%d' expects argument of type 'int', but argument 6 has type 'long unsigned int' [-Wformat=] dev_dbg(dev, "%s %d %d\n", __func__, status, readl(csr_ctrl_addr)); ^ include/linux/dynamic_debug.h:134:39: note: in definition of macro 'dynamic_dev_dbg' __dynamic_dev_dbg(&descriptor, dev, fmt, \ ^~~ >> drivers/fpga/altera-freeze-bridge.c:107:2: note: in expansion of macro 'dev_dbg' dev_dbg(dev, "%s %d %d\n", __func__, status, readl(csr_ctrl_addr)); ^~~~~~~ drivers/fpga/altera-freeze-bridge.c: In function 'altera_freeze_br_do_unfreeze': drivers/fpga/altera-freeze-bridge.c:144:15: warning: format '%d' expects argument of type 'int', but argument 6 has type 'long unsigned int' [-Wformat=] dev_dbg(dev, "%s %d %d\n", __func__, status, readl(csr_ctrl_addr)); ^ include/linux/dynamic_debug.h:134:39: note: in definition of macro 'dynamic_dev_dbg' __dynamic_dev_dbg(&descriptor, dev, fmt, \ ^~~ drivers/fpga/altera-freeze-bridge.c:144:2: note: in expansion of macro 'dev_dbg' dev_dbg(dev, "%s %d %d\n", __func__, status, readl(csr_ctrl_addr)); ^~~~~~~ drivers/fpga/altera-freeze-bridge.c:162:15: warning: format '%d' expects argument of type 'int', but argument 6 has type 'long unsigned int' [-Wformat=] dev_dbg(dev, "%s %d %d\n", __func__, status, readl(csr_ctrl_addr)); ^ include/linux/dynamic_debug.h:134:39: note: in definition of macro 'dynamic_dev_dbg' __dynamic_dev_dbg(&descriptor, dev, fmt, \ ^~~ drivers/fpga/altera-freeze-bridge.c:162:2: note: in expansion of macro 'dev_dbg' dev_dbg(dev, "%s %d %d\n", __func__, status, readl(csr_ctrl_addr)); ^~~~~~~
vim +107 drivers/fpga/altera-freeze-bridge.c
ca24a648 Alan Tull 2016-11-01 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ca24a648 Alan Tull 2016-11-01 13 * more details. ca24a648 Alan Tull 2016-11-01 14 * ca24a648 Alan Tull 2016-11-01 15 * You should have received a copy of the GNU General Public License along with ca24a648 Alan Tull 2016-11-01 16 * this program. If not, see <http://www.gnu.org/licenses/>. ca24a648 Alan Tull 2016-11-01 17 */ ca24a648 Alan Tull 2016-11-01 @18 #include <linux/delay.h> ca24a648 Alan Tull 2016-11-01 19 #include <linux/io.h> ca24a648 Alan Tull 2016-11-01 20 #include <linux/kernel.h> ca24a648 Alan Tull 2016-11-01 21 #include <linux/of_device.h> ca24a648 Alan Tull 2016-11-01 22 #include <linux/module.h> ca24a648 Alan Tull 2016-11-01 23 #include <linux/fpga/fpga-bridge.h> ca24a648 Alan Tull 2016-11-01 24 ca24a648 Alan Tull 2016-11-01 25 #define FREEZE_CSR_STATUS_OFFSET 0 ca24a648 Alan Tull 2016-11-01 26 #define FREEZE_CSR_CTRL_OFFSET 4 ca24a648 Alan Tull 2016-11-01 27 #define FREEZE_CSR_ILLEGAL_REQ_OFFSET 8 ca24a648 Alan Tull 2016-11-01 28 #define FREEZE_CSR_REG_VERSION 12 ca24a648 Alan Tull 2016-11-01 29 ca24a648 Alan Tull 2016-11-01 30 #define FREEZE_CSR_SUPPORTED_VERSION 2 ca24a648 Alan Tull 2016-11-01 31 ca24a648 Alan Tull 2016-11-01 32 #define FREEZE_CSR_STATUS_FREEZE_REQ_DONE BIT(0) ca24a648 Alan Tull 2016-11-01 33 #define FREEZE_CSR_STATUS_UNFREEZE_REQ_DONE BIT(1) ca24a648 Alan Tull 2016-11-01 34 ca24a648 Alan Tull 2016-11-01 35 #define FREEZE_CSR_CTRL_FREEZE_REQ BIT(0) ca24a648 Alan Tull 2016-11-01 36 #define FREEZE_CSR_CTRL_RESET_REQ BIT(1) ca24a648 Alan Tull 2016-11-01 37 #define FREEZE_CSR_CTRL_UNFREEZE_REQ BIT(2) ca24a648 Alan Tull 2016-11-01 38 ca24a648 Alan Tull 2016-11-01 39 #define FREEZE_BRIDGE_NAME "freeze" ca24a648 Alan Tull 2016-11-01 40 ca24a648 Alan Tull 2016-11-01 41 struct altera_freeze_br_data { ca24a648 Alan Tull 2016-11-01 42 struct device *dev; ca24a648 Alan Tull 2016-11-01 43 void __iomem *base_addr; ca24a648 Alan Tull 2016-11-01 44 bool enable; ca24a648 Alan Tull 2016-11-01 45 }; ca24a648 Alan Tull 2016-11-01 46 ca24a648 Alan Tull 2016-11-01 47 /* ca24a648 Alan Tull 2016-11-01 48 * Poll status until status bit is set or we have a timeout. ca24a648 Alan Tull 2016-11-01 49 */ ca24a648 Alan Tull 2016-11-01 50 static int altera_freeze_br_req_ack(struct altera_freeze_br_data *priv, ca24a648 Alan Tull 2016-11-01 51 u32 timeout, u32 req_ack) ca24a648 Alan Tull 2016-11-01 52 { ca24a648 Alan Tull 2016-11-01 53 struct device *dev = priv->dev; ca24a648 Alan Tull 2016-11-01 54 void __iomem *csr_illegal_req_addr = priv->base_addr + ca24a648 Alan Tull 2016-11-01 55 FREEZE_CSR_ILLEGAL_REQ_OFFSET; ca24a648 Alan Tull 2016-11-01 56 u32 status, illegal, ctrl; ca24a648 Alan Tull 2016-11-01 57 int ret = -ETIMEDOUT; ca24a648 Alan Tull 2016-11-01 58 ca24a648 Alan Tull 2016-11-01 59 do { ca24a648 Alan Tull 2016-11-01 60 illegal = readl(csr_illegal_req_addr); ca24a648 Alan Tull 2016-11-01 61 if (illegal) { ca24a648 Alan Tull 2016-11-01 62 dev_err(dev, "illegal request detected 0x%x", illegal); ca24a648 Alan Tull 2016-11-01 63 ca24a648 Alan Tull 2016-11-01 64 writel(1, csr_illegal_req_addr); ca24a648 Alan Tull 2016-11-01 65 ca24a648 Alan Tull 2016-11-01 66 illegal = readl(csr_illegal_req_addr); ca24a648 Alan Tull 2016-11-01 67 if (illegal) ca24a648 Alan Tull 2016-11-01 68 dev_err(dev, "illegal request not cleared 0x%x", ca24a648 Alan Tull 2016-11-01 69 illegal); ca24a648 Alan Tull 2016-11-01 70 ca24a648 Alan Tull 2016-11-01 71 ret = -EINVAL; ca24a648 Alan Tull 2016-11-01 72 break; ca24a648 Alan Tull 2016-11-01 73 } ca24a648 Alan Tull 2016-11-01 74 ca24a648 Alan Tull 2016-11-01 75 status = readl(priv->base_addr + FREEZE_CSR_STATUS_OFFSET); ca24a648 Alan Tull 2016-11-01 76 dev_dbg(dev, "%s %x %x\n", __func__, status, req_ack); ca24a648 Alan Tull 2016-11-01 77 status &= req_ack; ca24a648 Alan Tull 2016-11-01 78 if (status) { ca24a648 Alan Tull 2016-11-01 79 ctrl = readl(priv->base_addr + FREEZE_CSR_CTRL_OFFSET); ca24a648 Alan Tull 2016-11-01 80 dev_dbg(dev, "%s request %x acknowledged %x %x\n", ca24a648 Alan Tull 2016-11-01 81 __func__, req_ack, status, ctrl); ca24a648 Alan Tull 2016-11-01 82 ret = 0; ca24a648 Alan Tull 2016-11-01 83 break; ca24a648 Alan Tull 2016-11-01 84 } ca24a648 Alan Tull 2016-11-01 85 ca24a648 Alan Tull 2016-11-01 86 udelay(1); ca24a648 Alan Tull 2016-11-01 87 } while (timeout--); ca24a648 Alan Tull 2016-11-01 88 ca24a648 Alan Tull 2016-11-01 89 if (ret == -ETIMEDOUT) ca24a648 Alan Tull 2016-11-01 90 dev_err(dev, "%s timeout waiting for 0x%x\n", ca24a648 Alan Tull 2016-11-01 91 __func__, req_ack); ca24a648 Alan Tull 2016-11-01 92 ca24a648 Alan Tull 2016-11-01 93 return ret; ca24a648 Alan Tull 2016-11-01 94 } ca24a648 Alan Tull 2016-11-01 95 ca24a648 Alan Tull 2016-11-01 96 static int altera_freeze_br_do_freeze(struct altera_freeze_br_data *priv, ca24a648 Alan Tull 2016-11-01 97 u32 timeout) ca24a648 Alan Tull 2016-11-01 98 { ca24a648 Alan Tull 2016-11-01 99 struct device *dev = priv->dev; ca24a648 Alan Tull 2016-11-01 100 void __iomem *csr_ctrl_addr = priv->base_addr + ca24a648 Alan Tull 2016-11-01 101 FREEZE_CSR_CTRL_OFFSET; ca24a648 Alan Tull 2016-11-01 102 u32 status; ca24a648 Alan Tull 2016-11-01 103 int ret; ca24a648 Alan Tull 2016-11-01 104 ca24a648 Alan Tull 2016-11-01 105 status = readl(priv->base_addr + FREEZE_CSR_STATUS_OFFSET); ca24a648 Alan Tull 2016-11-01 106 ca24a648 Alan Tull 2016-11-01 @107 dev_dbg(dev, "%s %d %d\n", __func__, status, readl(csr_ctrl_addr)); ca24a648 Alan Tull 2016-11-01 108 ca24a648 Alan Tull 2016-11-01 109 if (status & FREEZE_CSR_STATUS_FREEZE_REQ_DONE) { ca24a648 Alan Tull 2016-11-01 110 dev_dbg(dev, "%s bridge already disabled %d\n",
:::::: The code at line 107 was first introduced by commit :::::: ca24a648f535a02b4163ca4f4d2e51869f155a3a fpga: add altera freeze bridge support
:::::: TO: Alan Tull <atull@opensource.altera.com> :::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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