linux-kernel - [PATCH v2 3/5] drm/bridge: synopsys: dw-dp: Make i2s/spdif clk optional

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20260201081338.407999-4-andyshrk@163.com>
Date: Sun,  1 Feb 2026 16:13:29 +0800
From: Andy Yan <andyshrk@....com>
To: dmitry.baryshkov@....qualcomm.com,
	heiko@...ech.de
Cc: alchark@...il.com,
	andrzej.hajda@...el.com,
	conor+dt@...nel.org,
	cristian.ciocaltea@...labora.com,
	airlied@...il.com,
	jernej.skrabec@...il.com,
	jonas@...boo.se,
	kever.yang@...k-chips.com,
	krzk+dt@...nel.org,
	Laurent.pinchart@...asonboard.com,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	neil.armstrong@...aro.org,
	nicolas.frattaroli@...labora.com,
	robh@...nel.org,
	rfoss@...nel.org,
	hjc@...k-chips.com,
	sebastian.reichel@...labora.com,
	simona@...ll.ch,
	tzimmermann@...e.de,
	devicetree@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	Andy Yan <andy.yan@...k-chips.com>
Subject: [PATCH v2 3/5] drm/bridge: synopsys: dw-dp: Make i2s/spdif clk optional

From: Andy Yan <andy.yan@...k-chips.com>

The i2s/spdif clk are mandatory for rk3588, but not used
for the upcoming rk3576, so make it optional here.

Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@...labora.com>
Tested-by: Sebastian Reichel <sebastian.reichel@...labora.com>
---

(no changes since v1)

 drivers/gpu/drm/bridge/synopsys/dw-dp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-dp.c b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
index eccf6299bdb7..93e3efe18957 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-dp.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-dp.c
@@ -2014,13 +2014,13 @@ struct dw_dp *dw_dp_bind(struct device *dev, struct drm_encoder *encoder,
 		return ERR_CAST(dp->aux_clk);
 	}
 
-	dp->i2s_clk = devm_clk_get(dev, "i2s");
+	dp->i2s_clk = devm_clk_get_optional(dev, "i2s");
 	if (IS_ERR(dp->i2s_clk)) {
 		dev_err_probe(dev, PTR_ERR(dp->i2s_clk), "failed to get i2s clock\n");
 		return ERR_CAST(dp->i2s_clk);
 	}
 
-	dp->spdif_clk = devm_clk_get(dev, "spdif");
+	dp->spdif_clk = devm_clk_get_optional(dev, "spdif");
 	if (IS_ERR(dp->spdif_clk)) {
 		dev_err_probe(dev, PTR_ERR(dp->spdif_clk), "failed to get spdif clock\n");
 		return ERR_CAST(dp->spdif_clk);
-- 
2.43.0