From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com
Subject: [pinchartl:next/imx290 14/18] drivers/media/i2c/imx290.c:1085:12: warning: unused function 'imx290_runtime_resume'
Date: Thu, 19 Jan 2023 00:50:10 +0800 [thread overview]
Message-ID: <202301190030.QdRrn0CW-lkp@intel.com> (raw)
::::::
:::::: Manual check reason: "gcc: unused function warning for stub function"
::::::
BCC: lkp@intel.com
CC: llvm@lists.linux.dev
CC: oe-kbuild-all@lists.linux.dev
TO: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux.git next/imx290
head: 401820f21a4eb4ae086deb41fae64e7e8defe76a
commit: 390384271c0b9551e67dac81eec10e6023afd40d [14/18] media: i2c: imx290: Initialize runtime PM before subdev
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
config: hexagon-randconfig-r041-20230117 (https://download.01.org/0day-ci/archive/20230119/202301190030.QdRrn0CW-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux.git/commit/?id=390384271c0b9551e67dac81eec10e6023afd40d
git remote add pinchartl https://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux.git
git fetch --no-tags pinchartl next/imx290
git checkout 390384271c0b9551e67dac81eec10e6023afd40d
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/media/i2c/ mm/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/media/i2c/imx290.c:14:
In file included from include/linux/i2c.h:19:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from drivers/media/i2c/imx290.c:14:
In file included from include/linux/i2c.h:19:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from drivers/media/i2c/imx290.c:14:
In file included from include/linux/i2c.h:19:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
>> drivers/media/i2c/imx290.c:1085:12: warning: unused function 'imx290_runtime_resume' [-Wunused-function]
static int imx290_runtime_resume(struct device *dev)
^
>> drivers/media/i2c/imx290.c:1093:12: warning: unused function 'imx290_runtime_suspend' [-Wunused-function]
static int imx290_runtime_suspend(struct device *dev)
^
8 warnings generated.
vim +/imx290_runtime_resume +1085 drivers/media/i2c/imx290.c
390384271c0b95 Laurent Pinchart 2022-11-28 1084
390384271c0b95 Laurent Pinchart 2022-11-28 @1085 static int imx290_runtime_resume(struct device *dev)
390384271c0b95 Laurent Pinchart 2022-11-28 1086 {
390384271c0b95 Laurent Pinchart 2022-11-28 1087 struct v4l2_subdev *sd = dev_get_drvdata(dev);
390384271c0b95 Laurent Pinchart 2022-11-28 1088 struct imx290 *imx290 = to_imx290(sd);
390384271c0b95 Laurent Pinchart 2022-11-28 1089
390384271c0b95 Laurent Pinchart 2022-11-28 1090 return imx290_power_on(imx290);
390384271c0b95 Laurent Pinchart 2022-11-28 1091 }
390384271c0b95 Laurent Pinchart 2022-11-28 1092
390384271c0b95 Laurent Pinchart 2022-11-28 @1093 static int imx290_runtime_suspend(struct device *dev)
390384271c0b95 Laurent Pinchart 2022-11-28 1094 {
390384271c0b95 Laurent Pinchart 2022-11-28 1095 struct v4l2_subdev *sd = dev_get_drvdata(dev);
390384271c0b95 Laurent Pinchart 2022-11-28 1096 struct imx290 *imx290 = to_imx290(sd);
390384271c0b95 Laurent Pinchart 2022-11-28 1097
390384271c0b95 Laurent Pinchart 2022-11-28 1098 imx290_power_off(imx290);
828dbc29927806 Manivannan Sadhasivam 2019-10-04 1099
828dbc29927806 Manivannan Sadhasivam 2019-10-04 1100 return 0;
828dbc29927806 Manivannan Sadhasivam 2019-10-04 1101 }
828dbc29927806 Manivannan Sadhasivam 2019-10-04 1102
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
reply other threads:[~2023-01-18 16:51 UTC|newest]
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