Re: [PATCH leds v5 07/12] leds: turris-omnia: Notify sysfs on MCU global LEDs brightness change

[Lee Jones <lee@kernel.org>]

On Tue, 05 Nov 2024, kernel test robot wrote:

> Hi Marek,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on linus/master]
> [also build test ERROR on v6.12-rc6]
> [cannot apply to lee-leds/for-leds-next robh/for-next next-20241104]
> [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/Marek-Beh-n/turris-omnia-mcu-interface-h-Move-command-execution-function-to-global-header/20241104-223435
> base:   linus/master
> patch link:    https://lore.kernel.org/r/20241104141924.18816-8-kabel%40kernel.org
> patch subject: [PATCH leds v5 07/12] leds: turris-omnia: Notify sysfs on MCU global LEDs brightness change
> config: arm-randconfig-003-20241105 (https://download.01.org/0day-ci/archive/20241105/202411051138.jzDE6sBH-lkp@intel.com/config)
> compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241105/202411051138.jzDE6sBH-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202411051138.jzDE6sBH-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>    arm-linux-gnueabi-ld: drivers/leds/leds-turris-omnia.o: in function `omnia_cmd_set_color':
> >> include/linux/turris-omnia-mcu-interface.h:275:(.text+0x5a): undefined reference to `omnia_cmd_write_read'
>    arm-linux-gnueabi-ld: drivers/leds/leds-turris-omnia.o: in function `omnia_cmd_read_u16':
>    include/linux/turris-omnia-mcu-interface.h:311:(.text+0xaa): undefined reference to `omnia_cmd_write_read'
>    arm-linux-gnueabi-ld: drivers/leds/leds-turris-omnia.o: in function `gamma_correction_show':
>    include/linux/turris-omnia-mcu-interface.h:311:(.text+0x1a2): undefined reference to `omnia_cmd_write_read'
>    arm-linux-gnueabi-ld: drivers/leds/leds-turris-omnia.o: in function `omnia_cmd_write_u8':
>    include/linux/turris-omnia-mcu-interface.h:275:(.text+0x1c8): undefined reference to `omnia_cmd_write_read'
>    arm-linux-gnueabi-ld: drivers/leds/leds-turris-omnia.o: in function `brightness_show':
>    include/linux/turris-omnia-mcu-interface.h:311:(.text+0x4c2): undefined reference to `omnia_cmd_write_read'
> 
> 
> vim +275 include/linux/turris-omnia-mcu-interface.h
> 
> 9f74fe5691025f Marek Behún 2024-11-04  267  
> 9f74fe5691025f Marek Behún 2024-11-04  268  int omnia_cmd_write_read(const struct i2c_client *client,
> 9f74fe5691025f Marek Behún 2024-11-04  269  			 void *cmd, unsigned int cmd_len,
> 9f74fe5691025f Marek Behún 2024-11-04  270  			 void *reply, unsigned int reply_len);
> 9f74fe5691025f Marek Behún 2024-11-04  271  
> 9f74fe5691025f Marek Behún 2024-11-04  272  static inline int omnia_cmd_write(const struct i2c_client *client, void *cmd,
> 9f74fe5691025f Marek Behún 2024-11-04  273  				  unsigned int len)
> 9f74fe5691025f Marek Behún 2024-11-04  274  {
> 9f74fe5691025f Marek Behún 2024-11-04 @275  	return omnia_cmd_write_read(client, cmd, len, NULL, 0);
> 9f74fe5691025f Marek Behún 2024-11-04  276  }
> 9f74fe5691025f Marek Behún 2024-11-04  277  

Is this real or a false positive?

-- 
Lee Jones [李琼斯]