linux-kernel - [PATCH 5.3 014/166] drm/bridge: sii902x: fix missing reference to mclk clock

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Message-Id: <20191006171213.963286832@linuxfoundation.org>
Date:   Sun,  6 Oct 2019 19:19:40 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Olivier Moysan <olivier.moysan@...com>,
        Jyri Sarha <jsarha@...com>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.3 014/166] drm/bridge: sii902x: fix missing reference to mclk clock

From: Olivier Moysan <olivier.moysan@...com>

[ Upstream commit 365d28c92f8cd3d3860f8dd057a8c136e24b3698 ]

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@...com>
Reviewed-by: Jyri Sarha <jsarha@...com>
Acked-by: Andrzej Hajda <a.hajda@...sung.com
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...aro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1563811560-29589-2-git-send-email-olivier.moysan@st.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 dd7aa466b2805..36acc256e67e3 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));
-- 
2.20.1