Re: [PATCH] fb: via: turn gpiolib and i2c selects into dependencies

[Tomi Valkeinen <tomi.valkeinen@ti.com>]

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On 28/01/15 22:12, Arnd Bergmann wrote:
> Device driver should not directly select subsystems. In this case
> we get build warnings like
> 
> warning: (ARCH_REQUIRE_GPIOLIB && PINCTRL_AT91 && PINCTRL_NOMADIK && MFD_TC6393XB && FB_VIA) selects GPIOLIB which has unmet direct dependencies (ARCH_WANT_OPTIONAL_GPIOLIB || ARCH_REQUIRE_GPIOLIB)
> 
> which we can avoid using the normal 'depends on' statement.
> 
> Also, this patch makes it possible for DRM drivers to have a dependency
> on GPIOLIB without getting circular Kconfig dependencies.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> 
> diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
> index f2c3fb7d0399..b3dd417b4719 100644
> --- a/drivers/video/fbdev/Kconfig
> +++ b/drivers/video/fbdev/Kconfig
> @@ -1530,13 +1530,11 @@ config FB_SIS_315
>  
>  config FB_VIA
>         tristate "VIA UniChrome (Pro) and Chrome9 display support"
> -       depends on FB && PCI && X86
> +       depends on FB && PCI && X86 && GPIOLIB && I2C
>         select FB_CFB_FILLRECT
>         select FB_CFB_COPYAREA
>         select FB_CFB_IMAGEBLIT
>         select I2C_ALGOBIT
> -       select I2C
> -       select GPIOLIB
>         help
>  	  This is the frame buffer device driver for Graphics chips of VIA
>  	  UniChrome (Pro) Family (CLE266,PM800/CN400,P4M800CE/P4M800Pro/
> 

Thanks, queued for 3.20.

 Tomi



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