Re: [PATCH] media: ipu-bridge: fix ipu6 Kconfig dependencies

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Hi Arnd,

On Fri, Jul 19, 2024 at 11:53:50AM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> 
> Commit 4670c8c3fb04 ("media: ipu-bridge: Fix Kconfig dependencies") changed
> how IPU_BRIDGE dependencies are handled for all drivers, but the IPU6 variant
> was added the old way, which causes build time warnings when I2C is turned
> off:
> 
> WARNING: unmet direct dependencies detected for IPU_BRIDGE
>   Depends on [n]: MEDIA_SUPPORT [=m] && PCI [=y] && MEDIA_PCI_SUPPORT [=y] && (ACPI [=y] || COMPILE_TEST [=y]) && I2C [=n]
>   Selected by [m]:
>   - VIDEO_INTEL_IPU6 [=m] && MEDIA_SUPPORT [=m] && PCI [=y] && MEDIA_PCI_SUPPORT [=y] && (ACPI [=y] || COMPILE_TEST [=y]) && VIDEO_DEV [=m] && X86 [=y] && X86_64 [=y] && HAS_DMA [=y]
> 
> To make it consistent with the other IPU drivers as well as avoid this warning,
> change the 'select' into 'depends on'.

Thanks for the patch. I'm not sure how I managed to miss the IPU6 driver...

I think we also need, besides IPU_BRIDGE, || !IPU_BRIDGE, as the IPU_BRIDGE
has additional dependencies (I2C) compared to VIDEO_INTEL_IPU6. I'll add
that while applying. Please let me know if you have concerns.

> 
> Fixes: c70281cc83d6 ("media: intel/ipu6: add Kconfig and Makefile")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
>  drivers/media/pci/intel/ipu6/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/pci/intel/ipu6/Kconfig b/drivers/media/pci/intel/ipu6/Kconfig
> index 154343080c82..ffadf03478a8 100644
> --- a/drivers/media/pci/intel/ipu6/Kconfig
> +++ b/drivers/media/pci/intel/ipu6/Kconfig
> @@ -3,13 +3,13 @@ config VIDEO_INTEL_IPU6
>  	depends on ACPI || COMPILE_TEST
>  	depends on VIDEO_DEV
>  	depends on X86 && X86_64 && HAS_DMA
> +	depends on IPU_BRIDGE
>  	select DMA_OPS
>  	select IOMMU_IOVA
>  	select VIDEO_V4L2_SUBDEV_API
>  	select MEDIA_CONTROLLER
>  	select VIDEOBUF2_DMA_CONTIG
>  	select V4L2_FWNODE
> -	select IPU_BRIDGE
>  	help
>  	  This is the 6th Gen Intel Image Processing Unit, found in Intel SoCs
>  	  and used for capturing images and video from camera sensors.

-- 
Kind regards,

Sakari Ailus




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