Re: [PATCH v6 1/5] media: v4l2-core: Make the v4l2-core code enable/disable the privacy LED if present

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Hi,

On 1/28/23 14:42, Laurent Pinchart wrote:
> Hi Hans,
> 
> On Sat, Jan 28, 2023 at 10:41:15AM +0100, Hans de Goede wrote:
>> On 1/28/23 08:35, kernel test robot wrote:
>>> Hi Hans,
>>>
>>> I love your patch! Yet something to improve:
>>>
>>> [auto build test ERROR on linus/master]
>>> [also build test ERROR on v6.2-rc5]
>>> [cannot apply to media-tree/master]
>>> [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/Hans-de-Goede/media-v4l2-core-Make-the-v4l2-core-code-enable-disable-the-privacy-LED-if-present/20230128-131233
>>> patch link:    https://lore.kernel.org/r/20230127203729.10205-2-hdegoede%40redhat.com
>>> patch subject: [PATCH v6 1/5] media: v4l2-core: Make the v4l2-core code enable/disable the privacy LED if present
>>> config: riscv-randconfig-r026-20230123 (https://download.01.org/0day-ci/archive/20230128/202301281534.9Z8xRsrX-lkp@xxxxxxxxx/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
>>>         # install riscv cross compiling tool for clang build
>>>         # apt-get install binutils-riscv64-linux-gnu
>>>         # https://github.com/intel-lab-lkp/linux/commit/000ccec1824b3256e3fc1a94079bb953f19faab5
>>>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>>>         git fetch --no-tags linux-review Hans-de-Goede/media-v4l2-core-Make-the-v4l2-core-code-enable-disable-the-privacy-LED-if-present/20230128-131233
>>>         git checkout 000ccec1824b3256e3fc1a94079bb953f19faab5
>>>         # save the config file
>>>         mkdir build_dir && cp config build_dir/.config
>>>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv olddefconfig
>>>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/media/v4l2-core/
>>>
>>> If you fix the issue, kindly add following tag where applicable
>>> | Reported-by: kernel test robot <lkp@xxxxxxxxx>
>>>
>>> All errors (new ones prefixed by >>):
>>>
>>>>> drivers/media/v4l2-core/v4l2-subdev.c:1124:20: error: call to undeclared function 'led_get'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
>>>            sd->privacy_led = led_get(sd->dev, "privacy-led");
>>>                              ^
>>>>> drivers/media/v4l2-core/v4l2-subdev.c:1124:18: error: incompatible integer to pointer conversion assigning to 'struct led_classdev *' from 'int' [-Wint-conversion]
>>>            sd->privacy_led = led_get(sd->dev, "privacy-led");
>>>                            ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>    2 errors generated.
>>
>> As mentioned in the cover-letter this series depends on this immutable-branch:
>>
>> https://lore.kernel.org/platform-driver-x86/Y9QGcA+9nlmOOy2d@xxxxxxxxxx/
>>
>> That branch not being present in the base used by LKP is what is causing this
>> error.
> 
> The --base argument to git-format-patch will record the base commit ID
> in the cover letter, that can possibly help bots getting it right.

Thanks I was not aware of the --base argument, that is useful to know.

Regards,

Hans




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