[PATCH] ARM: dts: Fix CLK_UART_ISP_SCLK clock assignment in exynos4x12.dtsi

Kukjin Kim kgene at kernel.org
Mon Feb 2 20:12:13 PST 2015


Sylwester Nawrocki wrote:
> 
> Assign proper FIMC-IS UART gate clock in the device DT node and not
> use the SRC_MASK gate. This fixes regression introduced in commit
> a37c82a3b3c0910019abfd22a97be1f ("clk: samsung: exynos4: Remove
> SRC_MASK_ISP gates").
> 
> Without this change exynos4 fimc-is driver fails to probe with an
> error log:
> 
> [    1.842447] ERROR: could not get clock /camera/fimc-is at 12000000:uart(13)
> [    1.848529] exynos4-fimc-is 12000000.fimc-is: failed to get clock: uart
> [    1.855275] exynos4-fimc-is: probe of 12000000.fimc-is failed with error -2
> 
> Signed-off-by: Sylwester Nawrocki <s.nawrocki at samsung.com>
> ---
> 
> Kukjin, could you take this patch into your tree ? I have been applying it
> for several kernel releases now to get the Exynos4 FIMC driver even passing
> probing.
> 
> Thanks,
> Sylwester
>  arch/arm/boot/dts/exynos4x12.dtsi |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi
> index 93b7040..86e1800 100644
> --- a/arch/arm/boot/dts/exynos4x12.dtsi
> +++ b/arch/arm/boot/dts/exynos4x12.dtsi
> @@ -225,7 +225,7 @@
>  				 <&clock CLK_DIV_ISP0>,<&clock CLK_DIV_ISP1>,
>  				 <&clock CLK_DIV_MCUISP0>,
>  				 <&clock CLK_DIV_MCUISP1>,
> -				 <&clock CLK_SCLK_UART_ISP>,
> +				 <&clock CLK_UART_ISP_SCLK>,
>  				 <&clock CLK_ACLK200>, <&clock CLK_DIV_ACLK200>,
>  				 <&clock CLK_ACLK400_MCUISP>,
>  				 <&clock CLK_DIV_ACLK400_MCUISP>;
> --

Applied, thanks.

- Kukjin




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