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Re: [PATCH] ARM: s3c64xx: don't select ARM_AMBA from S3C64XX_PL080

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  Re: [PATCH] ARM: s3c64xx: don't select ARM_AMBA from S3C64XX_PL080 Krzysztof Kozlowski <krzk@kernel.org> - 2017-05-31 21:40 +0200

#1654573 — Re: [PATCH] ARM: s3c64xx: don't select ARM_AMBA from S3C64XX_PL080

On Wed, May 24, 2017 at 05:58:34PM +0200, Arnd Bergmann wrote:
> While trying a fix a build warning unrelated to s3c64xx, I ran into
> a circular dependency:
> 
> drivers/i2c/Kconfig:7: symbol I2C is selected by FB_DDC
> drivers/video/fbdev/Kconfig:63: symbol FB_DDC is selected by FB_CYBER2000_DDC
> drivers/video/fbdev/Kconfig:381: symbol FB_CYBER2000_DDC depends on FB_CYBER2000
> drivers/video/fbdev/Kconfig:369: symbol FB_CYBER2000 depends on FB
> drivers/video/fbdev/Kconfig:5: symbol FB is selected by DRM_KMS_FB_HELPER
> drivers/gpu/drm/Kconfig:72: symbol DRM_KMS_FB_HELPER is selected by DRM_KMS_CMA_HELPER
> drivers/gpu/drm/Kconfig:137: symbol DRM_KMS_CMA_HELPER is selected by DRM_PL111
> drivers/gpu/drm/pl111/Kconfig:1: symbol DRM_PL111 depends on ARM_AMBA
> drivers/amba/Kconfig:1: symbol ARM_AMBA is selected by S3C64XX_PL080
> arch/arm/mach-s3c64xx/Kconfig:42: symbol S3C64XX_PL080 default value contains DMADEVICES
> drivers/dma/Kconfig:5: symbol DMADEVICES is selected by SND_SOC_SH4_SIU
> sound/soc/sh/Kconfig:29: symbol SND_SOC_SH4_SIU is selected by SND_SIU_MIGOR
> sound/soc/sh/Kconfig:59: symbol SND_SIU_MIGOR depends on I2C
> 
> The I2C and FB dependencies are hard to untangle, but I notice that
> S3C64XX_PL080 selecting ARM_AMBA is one piece of the puzzle that
> can easily be avoided, as ARCH_S3C64XX already select ARM_AMBA.
> Removing the redundant 'select' now can help us in the future if we
> run into a variation of the same dependency.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> Please apply this to the samsung tree
> ---
>  arch/arm/mach-s3c64xx/Kconfig | 1 -
>  1 file changed, 1 deletion(-)
> 

Thanks, applied.

Best regards,
Krzysztof

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