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Subject: Re: [PATCH 1/3] drm/bridge: sii902x: fix missing reference to mclk
 clock
To:     Olivier Moysan <olivier.moysan@st.com>, <a.hajda@samsung.com>,
        <narmstrong@baylibre.com>, <Laurent.pinchart@ideasonboard.com>,
        <jonas@kwiboo.se>, <jernej.skrabec@siol.net>, <airlied@linux.ie>,
        <daniel@ffwll.ch>, <dri-devel@lists.freedesktop.org>,
        <linux-kernel@vger.kernel.org>, <benjamin.gaignard@st.com>,
        <alexandre.torgue@st.com>, <linux-arm-kernel@lists.infradead.org>,
        <linux-stm32@st-md-mailman.stormreply.com>, <robh+dt@kernel.org>,
        <mark.rutland@arm.com>, <devicetree@vger.kernel.org>
References: <1562082426-14876-1-git-send-email-olivier.moysan@st.com>
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From:   Jyri Sarha <jsarha@ti.com>
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Message-ID: <36194ec6-2ea7-6c0d-6142-a6bb24a65ccb@ti.com>
Date:   Thu, 4 Jul 2019 11:03:21 +0300
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On 02/07/2019 18:47, Olivier Moysan wrote:
> Add devm_clk_get call to retrieve reference to master clock.
> 
> Fixes: ff5781634c41 ("drm/bridge: sii902x: Implement HDMI audio support")
> 
> Signed-off-by: Olivier Moysan <olivier.moysan@st.com>

Reviewed-by: Jyri Sarha <jsarha@ti.com>

I wonder how that line was dropped and how the code past my final test.
Any way, this fix is definitely needed.

Thanks,
Jyri

> ---
>  drivers/gpu/drm/bridge/sii902x.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
> index dd7aa466b280..36acc256e67e 100644
> --- a/drivers/gpu/drm/bridge/sii902x.c
> +++ b/drivers/gpu/drm/bridge/sii902x.c
> @@ -750,6 +750,7 @@ static int sii902x_audio_codec_init(struct sii902x *sii902x,
>  		sii902x->audio.i2s_fifo_sequence[i] |= audio_fifo_id[i] |
>  			i2s_lane_id[lanes[i]] |	SII902X_TPI_I2S_FIFO_ENABLE;
>  
> +	sii902x->audio.mclk = devm_clk_get(dev, "mclk");
>  	if (IS_ERR(sii902x->audio.mclk)) {
>  		dev_err(dev, "%s: No clock (audio mclk) found: %ld\n",
>  			__func__, PTR_ERR(sii902x->audio.mclk));
> 


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