linux-kernel - [PATCH] drm: Use of_property_present() for non-boolean properties

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Message-ID: <20241104190636.274926-1-robh@kernel.org>
Date: Mon,  4 Nov 2024 13:06:35 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Phong LE <ple@...libre.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Robert Foss <rfoss@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Jessica Zhang <quic_jesszhan@...cinc.com>,
	Rob Clark <robdclark@...il.com>,
	Abhinav Kumar <quic_abhinavk@...cinc.com>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Sean Paul <sean@...rly.run>,
	Marijn Suijten <marijn.suijten@...ainline.org>
Cc: dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	linux-arm-msm@...r.kernel.org,
	freedreno@...ts.freedesktop.org
Subject: [PATCH] drm: Use of_property_present() for non-boolean properties

The use of of_property_read_bool() for non-boolean properties is
deprecated in favor of of_property_present() when testing for property
presence.

Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
 drivers/gpu/drm/bridge/ite-it66121.c | 2 +-
 drivers/gpu/drm/bridge/sii902x.c     | 2 +-
 drivers/gpu/drm/drm_panel.c          | 2 +-
 drivers/gpu/drm/msm/dsi/dsi_host.c   | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c
index 925e42f46cd8..0eae7c01b975 100644
--- a/drivers/gpu/drm/bridge/ite-it66121.c
+++ b/drivers/gpu/drm/bridge/ite-it66121.c
@@ -1480,7 +1480,7 @@ static int it66121_audio_codec_init(struct it66121_ctx *ctx, struct device *dev)
 
 	dev_dbg(dev, "%s\n", __func__);
 
-	if (!of_property_read_bool(dev->of_node, "#sound-dai-cells")) {
+	if (!of_property_present(dev->of_node, "#sound-dai-cells")) {
 		dev_info(dev, "No \"#sound-dai-cells\", no audio\n");
 		return 0;
 	}
diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index 7f91b0db161e..f73e1174a5ad 100644
--- a/drivers/gpu/drm/bridge/sii902x.c
+++ b/drivers/gpu/drm/bridge/sii902x.c
@@ -850,7 +850,7 @@ static int sii902x_audio_codec_init(struct sii902x *sii902x,
 	u8 lanes[4];
 	int num_lanes, i;
 
-	if (!of_property_read_bool(dev->of_node, "#sound-dai-cells")) {
+	if (!of_property_present(dev->of_node, "#sound-dai-cells")) {
 		dev_dbg(dev, "%s: No \"#sound-dai-cells\", no audio\n",
 			__func__);
 		return 0;
diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
index 19ab0a794add..46d61cc871ca 100644
--- a/drivers/gpu/drm/drm_panel.c
+++ b/drivers/gpu/drm/drm_panel.c
@@ -413,7 +413,7 @@ bool drm_is_panel_follower(struct device *dev)
 	 * don't bother trying to parse it here. We just need to know if the
 	 * property is there.
 	 */
-	return of_property_read_bool(dev->of_node, "panel");
+	return of_property_present(dev->of_node, "panel");
 }
 EXPORT_SYMBOL(drm_is_panel_follower);
 
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 185d7de0bf37..78cac4ecc58f 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1831,7 +1831,7 @@ static int dsi_host_parse_dt(struct msm_dsi_host *msm_host)
 		msm_dsi->te_source = devm_kstrdup(dev, te_source, GFP_KERNEL);
 	ret = 0;
 
-	if (of_property_read_bool(np, "syscon-sfpb")) {
+	if (of_property_present(np, "syscon-sfpb")) {
 		msm_host->sfpb = syscon_regmap_lookup_by_phandle(np,
 					"syscon-sfpb");
 		if (IS_ERR(msm_host->sfpb)) {
-- 
2.45.2