Re: [PATCH v1 2/2] fbdev: Kconfig: Add HAS_IOMEM dependency for FB_OPENCORES

From: Thomas Huth
Date: Fri Jan 26 2018 - 07:34:02 EST


On 25.01.2018 16:47, Farhan Ali wrote:
> The Opencores framebuffer device uses I/O memory and with
> CONFIG_HAS_IOMEM disabled will lead to build errors:
>
> ERROR: "devm_ioremap_resource" [drivers/video/fbdev/ocfb.ko] undefined!
>
> Fix this by adding HAS_IOMEM dependency for FB_OPENCORES.
>
> Signed-off-by: Farhan Ali <alifm@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/video/fbdev/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
> index 5e58f5e..8667e5d 100644
> --- a/drivers/video/fbdev/Kconfig
> +++ b/drivers/video/fbdev/Kconfig
> @@ -976,7 +976,7 @@ config FB_PVR2
>
> config FB_OPENCORES
> tristate "OpenCores VGA/LCD core 2.0 framebuffer support"
> - depends on FB && HAS_DMA
> + depends on FB && HAS_DMA && HAS_IOMEM
> select FB_CFB_FILLRECT
> select FB_CFB_COPYAREA
> select FB_CFB_IMAGEBLIT

I think it would be better if fbdevs in general would depend on
HAS_IOMEM ... or could there be any frame buffer devices without IOMEM ?

Thomas