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Message-ID: <202301200239.m4ZDprWz-lkp@intel.com>
Date: Fri, 20 Jan 2023 02:35:21 +0800
From: kernel test robot <lkp@...el.com>
To: Jianhua Lu <lujianhua000@...il.com>, Lee Jones <lee@...nel.org>,
Daniel Thompson <daniel.thompson@...aro.org>,
Jingoo Han <jingoohan1@...il.com>, Pavel Machek <pavel@....cz>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Helge Deller <deller@....de>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
dri-devel@...ts.freedesktop.org, linux-leds@...r.kernel.org,
devicetree@...r.kernel.org, linux-fbdev@...r.kernel.org,
Jianhua Lu <lujianhua000@...il.com>
Subject: Re: [PATCH v6 2/2] backlight: ktz8866: Add support for Kinetic
KTZ8866 backlight
Hi Jianhua,
I love your patch! Perhaps something to improve:
[auto build test WARNING on lee-backlight/for-backlight-next]
[also build test WARNING on lee-backlight/for-backlight-fixes lee-leds/for-leds-next pavel-leds/for-next linus/master v6.2-rc4 next-20230119]
[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/Jianhua-Lu/backlight-ktz8866-Add-support-for-Kinetic-KTZ8866-backlight/20230118-214354
base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight.git for-backlight-next
patch link: https://lore.kernel.org/r/20230118131002.15453-2-lujianhua000%40gmail.com
patch subject: [PATCH v6 2/2] backlight: ktz8866: Add support for Kinetic KTZ8866 backlight
config: parisc-randconfig-r031-20230119 (https://download.01.org/0day-ci/archive/20230120/202301200239.m4ZDprWz-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 12.1.0
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://github.com/intel-lab-lkp/linux/commit/b862510e8bf9eb34db9d71a372b9de05682cb8ad
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Jianhua-Lu/backlight-ktz8866-Add-support-for-Kinetic-KTZ8866-backlight/20230118-214354
git checkout b862510e8bf9eb34db9d71a372b9de05682cb8ad
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash drivers/video/backlight/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/bits.h:6,
from include/linux/ratelimit_types.h:5,
from include/linux/ratelimit.h:5,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/backlight.h:12,
from drivers/video/backlight/ktz8866.c:8:
include/vdso/bits.h: In function 'ktz8866_init':
>> include/vdso/bits.h:7:40: warning: 'val' is used uninitialized [-Wuninitialized]
7 | #define BIT(nr) (UL(1) << (nr))
| ^~
drivers/video/backlight/ktz8866.c:98:22: note: 'val' was declared here
98 | unsigned int val;
| ^~~
vim +/val +7 include/vdso/bits.h
3945ff37d2f48d Vincenzo Frascino 2020-03-20 6
3945ff37d2f48d Vincenzo Frascino 2020-03-20 @7 #define BIT(nr) (UL(1) << (nr))
3945ff37d2f48d Vincenzo Frascino 2020-03-20 8
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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