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SubjectRe: [PATCH 3/3] clk: exynos5433: Add CLK_IGNORE_UNUSED flag to sclk_ioclk_i2s1_bclk
On 2018년 02월 05일 23:22, Sylwester Nawrocki wrote:
> The sclk_ioclk_i2s1_bclk clock is not currently handled by any driver
> and disabling this clock by the clk core prevents proper operation
> of the I2S1 block. CLK_IGNORE_UNUSED flag is added as a temporary fix.
>
> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
> ---
> drivers/clk/samsung/clk-exynos5433.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c
> index d74361736e64..15177f74e125 100644
> --- a/drivers/clk/samsung/clk-exynos5433.c
> +++ b/drivers/clk/samsung/clk-exynos5433.c
> @@ -1680,7 +1680,7 @@ static const struct samsung_gate_clock peric_gate_clks[] __initconst = {
> ENABLE_SCLK_PERIC, 11, CLK_SET_RATE_PARENT, 0),
> GATE(CLK_SCLK_IOCLK_I2S1_BCLK, "sclk_ioclk_i2s1_bclk",
> "ioclk_i2s1_bclk_in", ENABLE_SCLK_PERIC, 10,
> - CLK_SET_RATE_PARENT, 0),
> + CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0),
> GATE(CLK_SCLK_SPDIF, "sclk_spdif", "sclk_spdif_peric",
> ENABLE_SCLK_PERIC, 8, CLK_SET_RATE_PARENT, 0),
> GATE(CLK_SCLK_PCM1, "sclk_pcm1", "sclk_pcm1_peric",
>

If any device driver handles the sclk_ioclk_i2s1_bclk on later,
CLK_IGNORE_UNUSED will be ignored. Looks good to me.

Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>

--
Best Regards,
Chanwoo Choi
Samsung Electronics

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