On Wed, Jun 2, 2021 at 4:53 PM Kees Cook <keesc...@chromium.org> wrote:
>
> Avoid randconfig build failures by requiring VEXPRESS_CONFIG:
>
> aarch64-linux-gnu-ld: drivers/gpu/drm/pl111/pl111_versatile.o: in function
> `pl111_vexpress_clcd_init':
> pl111_versatile.c:(.text+0x220): undefined reference to
> `devm_regmap_init_vexpress_config'
pl111_vexpress_clcd_init() starts with:
if (!IS_ENABLED(CONFIG_VEXPRESS_CONFIG))
return -ENODEV;
Isn't that supposed to be enough to avoid an undefined reference?
Making the whole file depend on VEXPRESS_CONFIG is not right either.
Not all platforms need it.
>
> Fixes: 826fc86b5903 ("drm: pl111: Move VExpress setup into versatile init")
> Signed-off-by: Kees Cook <keesc...@chromium.org>
> ---
> drivers/gpu/drm/pl111/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/pl111/Kconfig b/drivers/gpu/drm/pl111/Kconfig
> index 80f6748055e3..c5210a5bef1b 100644
> --- a/drivers/gpu/drm/pl111/Kconfig
> +++ b/drivers/gpu/drm/pl111/Kconfig
> @@ -2,7 +2,7 @@
> config DRM_PL111
> tristate "DRM Support for PL111 CLCD Controller"
> depends on DRM
> - depends on ARM || ARM64 || COMPILE_TEST
> + depends on VEXPRESS_CONFIG
> depends on COMMON_CLK
> select DRM_KMS_HELPER
> select DRM_KMS_CMA_HELPER
> --
> 2.25.1
>
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