linux-kernel - Re: [PATCH v2 3/7] ASoC: samsung: i2s: Prevent external abort on exynos5433 I2S1 access

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Date:   Tue, 13 Feb 2018 08:25:59 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Sylwester Nawrocki <s.nawrocki@...sung.com>
Cc:     broonie@...nel.org, lgirdwood@...il.com,
        alsa-devel@...a-project.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        jcsing.lee@...sung.com, sbkim73@...sung.com,
        linux-kernel@...r.kernel.org,
        Bartłomiej Żołnierkiewicz 
        <b.zolnierkie@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH v2 3/7] ASoC: samsung: i2s: Prevent external abort on
 exynos5433 I2S1 access

On Mon, Feb 12, 2018 at 5:15 PM, Sylwester Nawrocki
<s.nawrocki@...sung.com> wrote:
> It seems both PCLK_I2S1 and SCLK_I2S1 clocks need to be enabled before
> I2S1 control registers can be accessed on exynos5433. If SCLK clock
> is disabled an exception is triggered. To fix this parent clock of
> the RCLK_SRC clock is assigned to pri_dai->op_clk so required gate
> clock is handled by the runtime PM ops.
>
> Signed-off-by: Sylwester Nawrocki <s.nawrocki@...sung.com>
> ---
> Changes since v1:
>  - removed stray whitespace change.
> ---
>  sound/soc/samsung/i2s.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)

Acked-by: Krzysztof Kozlowski <krzk@...nel.org>

Best regards,
Krzysztof