[PATCH] clk: exynos4: fix g2d/mdma clocks of exynos4x12

Sachin Kamat sachin.kamat at linaro.org
Mon Jul 22 06:00:40 EDT 2013


Hi Chanho,

On 22 July 2013 13:42, Chanho Park <chanho61.park at samsung.com> wrote:
> The exynos4x12 has different address of GATE_IP_IMAGE reg. We should use
> EXYNOS4X12_GATE_IP_IMAGE for g2d gating clocks instead of 4210's reg.
> In case of mdma node, We don't use it for any exynos4 chipsets. I think we'll
> need to change it to 'none' or leave it on.
>
> Signed-off-by: Chanho Park <chanho61.park at samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
> ---
>  drivers/clk/samsung/clk-exynos4.c |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
> index 1bdb882..6300c9d 100644
> --- a/drivers/clk/samsung/clk-exynos4.c
> +++ b/drivers/clk/samsung/clk-exynos4.c
> @@ -820,8 +820,10 @@ struct samsung_gate_clock exynos4210_gate_clks[] __initdata = {
>  struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = {
>         GATE(audss, "audss", "sclk_epll", E4X12_GATE_IP_MAUDIO, 0, 0, 0),
>         GATE(mdnie0, "mdnie0", "aclk160", GATE_IP_LCD0, 2, 0, 0),
> +       GATE(g2d, "g2d", "aclk200", E4X12_GATE_IP_IMAGE, 0, 0, 0),
>         GATE(rotator, "rotator", "aclk200", E4X12_GATE_IP_IMAGE, 1, 0, 0),
> -       GATE(mdma2, "mdma2", "aclk200", E4X12_GATE_IP_IMAGE, 2, 0, 0),
> +       GATE(mdma, "mdma", "aclk200", E4X12_GATE_IP_IMAGE, 2, 0, 0),
> +       GATE(smmu_g2d, "smmu_g2d", "aclk200", E4X12_GATE_IP_IMAGE, 3, 0, 0),
>         GATE(smmu_mdma, "smmu_mdma", "aclk200", E4X12_GATE_IP_IMAGE, 5, 0, 0),
>         GATE(mipi_hsi, "mipi_hsi", "aclk133", GATE_IP_FSYS, 10, 0, 0),
>         GATE(chipid, "chipid", "aclk100", E4X12_GATE_IP_PERIR, 0, 0, 0),

Which kernel version is this patch based on? G2D clocks for 4x12 has
already been added by commit 5cd644d837 ("clk: exynos4: Add additional
G2D clocks").


-- 
With warm regards,
Sachin



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