Re: [PATCH v1 2/6] staging: atomisp: Replace open-coded i2c_acpi_find_client_by_adev()

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On Thu, Jul 22, 2021 at 10:57:44AM +0200, Mauro Carvalho Chehab wrote:
> Em Wed, 26 May 2021 15:43:18 +0300
> Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> escreveu:
> 
> > gmin_i2c_dev_exists() is using open-coded variant of
> > i2c_acpi_find_client_by_adev(). Replace it with a corresponding call.
> > 
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> 
> At least on the top of v5.14-rc1, this patch causes a compilation
> issue:
> 
> 	drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c: In function ‘gmin_i2c_dev_exists’:
> 	drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c:386:19: error: implicit declaration of function ‘i2c_acpi_find_client_by_adev’; did you mean ‘i2c_acpi_find_adapter_by_handle’? [-Werror=implicit-function-declaration]
> 	  386 |         *client = i2c_acpi_find_client_by_adev(adev);
> 	      |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 	      |                   i2c_acpi_find_adapter_by_handle
> 	drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c:386:17: warning: assignment to ‘struct i2c_client *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
> 	  386 |         *client = i2c_acpi_find_client_by_adev(adev);
> 	      |                 ^
> 
> The reason is because such function is static:
> 
> 	$ git grep i2c_acpi_find_client_by_adev
> 	drivers/i2c/i2c-core-acpi.c:static struct i2c_client *i2c_acpi_find_client_by_adev(struct acpi_device *adev)
> 
> IMO, a patch like that should be applied at the same tree as a patch
> dropping "static" from drivers/i2c/i2c-core-acpi.c. If you want to do
> so, feel free to add:
> 
> Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>

Thanks!

There is a v2 of this where the patch is dropped from.


-- 
With Best Regards,
Andy Shevchenko





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