Re: [PATCH v2 2/2] media: i2c: add support for ov4689

From: kernel test robot
Date: Sun Sep 11 2022 - 18:52:42 EST


Hi Mikhail,

I love your patch! Perhaps something to improve:

[auto build test WARNING on media-tree/master]
[also build test WARNING on robh/for-next krzk-dt/for-next linus/master v6.0-rc5 next-20220909]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Mikhail-Rudenko/Add-Omnivision-OV4689-image-sensor-driver/20220912-040337
base: git://linuxtv.org/media_tree.git master
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220912/202209120637.Ypw3tniN-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/7c4d2965802d2be20badfef953b1d6f0d13d718f
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Mikhail-Rudenko/Add-Omnivision-OV4689-image-sensor-driver/20220912-040337
git checkout 7c4d2965802d2be20badfef953b1d6f0d13d718f
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/media/i2c/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> drivers/media/i2c/ov4689.c:112:28: warning: 'ov4689_global_regs' defined but not used [-Wunused-const-variable=]
112 | static const struct regval ov4689_global_regs[] = {
| ^~~~~~~~~~~~~~~~~~


vim +/ov4689_global_regs +112 drivers/media/i2c/ov4689.c

108
109 /*
110 * Xclk 24Mhz
111 */
> 112 static const struct regval ov4689_global_regs[] = {
113 { REG_NULL, 0x00 },
114 };
115

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