Hi Arnd, On 2/2/23 22:02, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > Without CONFIG_I2C, atomisp fails to build because of a missing > function declaration: > > drivers/staging/media/atomisp/pci/atomisp_v4l2.c: In function 'atomisp_subdev_probe': > drivers/staging/media/atomisp/pci/atomisp_v4l2.c:960:21: error: implicit declaration of function 'i2c_get_adapter'; did you mean 'i2c_get_adapdata'? [-Werror=implicit-function-declaration] > 960 | i2c_get_adapter(subdevs->v4l2_subdev.i2c_adapter_id); > | ^~~~~~~~~~~~~~~ > | i2c_get_adapdata > > Ideally the driver should just move away from calling i2c_get_adapter > as explained in a comment near the call. For now, just use a Kconfig > dependency. Apparently configurations with I2C disabled are rare in > practice as well as in randconfig builds because a lot of other > drivers 'select' the subsystem. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Actually the i2c_get_adapter() call is gone in the atomisp pull-req which I send to Mauro for 6.3, it is removed by this patch. https://git.kernel.org/pub/scm/linux/kernel/git/hansg/linux.git/commit/?h=media-atomisp-6.3-1&id=4f205ce7a915ffa4ae0fb24f48714604d39baa29 So adding the I2C dependency is no longer necessary. Regards, Hans > --- > drivers/staging/media/atomisp/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/staging/media/atomisp/Kconfig b/drivers/staging/media/atomisp/Kconfig > index c9bff98e5309..8b0de0b5b4a3 100644 > --- a/drivers/staging/media/atomisp/Kconfig > +++ b/drivers/staging/media/atomisp/Kconfig > @@ -13,6 +13,7 @@ config VIDEO_ATOMISP > tristate "Intel Atom Image Signal Processor Driver" > depends on VIDEO_DEV && INTEL_ATOMISP > depends on PMIC_OPREGION > + depends on I2C > select IOSF_MBI > select VIDEOBUF2_VMALLOC > select VIDEO_V4L2_SUBDEV_API
