drm: Use of_property_present() for non-boolean properties
authorRob Herring (Arm) <robh@kernel.org>
Mon, 4 Nov 2024 19:06:35 +0000 (13:06 -0600)
committerRob Herring <robh@kernel.org>
Fri, 3 Jan 2025 17:17:09 +0000 (11:17 -0600)
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@kernel.org>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241104190636.274926-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
drivers/gpu/drm/bridge/ite-it66121.c
drivers/gpu/drm/bridge/sii902x.c
drivers/gpu/drm/drm_panel.c
drivers/gpu/drm/msm/dsi/dsi_host.c

index 940083e..b2a6caf 100644 (file)
@@ -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;
        }
index 127da22..fc3554d 100644 (file)
@@ -867,7 +867,7 @@ 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;
index 2379e50..9940e96 100644 (file)
@@ -414,7 +414,7 @@ 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);
 
index a98d24b..007311c 100644 (file)
@@ -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)) {