Re: [PATCH] drm/fsl-dcu: add COMMON_CLK dependency

From: Stefan Agner
Date: Mon May 02 2016 - 17:25:46 EST


On 2016-05-02 04:00, Arnd Bergmann wrote:
> The fsl dcu now uses the clk-provider interfaces, which are not available
> when CONFIG_COMMON_CLK is disabled:
>
> drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c: In function 'fsl_dcu_drm_probe':
> drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c:362:20: error: implicit
> declaration of function '__clk_get_name'
> [-Werror=implicit-function-declaration]
> pix_clk_in_name = __clk_get_name(pix_clk_in);
>
> This adds a Kconfig dependency to prevent the driver from being enabled
> in this case.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 2d701449bce1 ("drm/fsl-dcu: use common clock framework for
> pixel clock divider")

Oh right, thx!

Acked-by: Stefan Agner <stefan@xxxxxxxx>

@Dave, can you pick that up directly or do you prefer a pull request?

--
Stefan

> ---
> drivers/gpu/drm/fsl-dcu/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/fsl-dcu/Kconfig b/drivers/gpu/drm/fsl-dcu/Kconfig
> index c78cf3f605d0..b9c714de6e40 100644
> --- a/drivers/gpu/drm/fsl-dcu/Kconfig
> +++ b/drivers/gpu/drm/fsl-dcu/Kconfig
> @@ -1,6 +1,6 @@
> config DRM_FSL_DCU
> tristate "DRM Support for Freescale DCU"
> - depends on DRM && OF && ARM
> + depends on DRM && OF && ARM && COMMON_CLK
> select BACKLIGHT_CLASS_DEVICE
> select BACKLIGHT_LCD_SUPPORT
> select DRM_KMS_HELPER