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Message-ID: <16acf71de2a7d23f979ce286b2d8f606@manjaro.org>
Date: Tue, 05 Nov 2024 07:33:53 +0100
From: Dragan Simic <dsimic@...jaro.org>
To: "Rob Herring (Arm)" <robh@...nel.org>
Cc: 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>,
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org
Subject: Re: [PATCH] drm: Use of_property_present() for non-boolean properties

Hello Rob,

On 2024-11-04 20:06, Rob Herring (Arm) wrote:
> 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>

Looking good to me, thanks for the patch!

Reviewed-by: Dragan Simic <dsimic@...jaro.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)) {

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