[v6,4/4] drm/bridge: lvds-codec: simplify error handling
diff mbox series

Message ID 20200626100103.18879-5-a.hajda@samsung.com
State New
Headers show
Series
  • [v6,1/4] driver core: add device probe log helper
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Commit Message

Andrzej Hajda June 26, 2020, 10:01 a.m. UTC
Using dev_err_probe code has following advantages:
- shorter code,
- recorded defer probe reason for debugging,
- uniform error code logging.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
---
 drivers/gpu/drm/bridge/lvds-codec.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

Comments

Neil Armstrong June 29, 2020, 8:33 a.m. UTC | #1
On 26/06/2020 12:01, Andrzej Hajda wrote:
> Using dev_err_probe code has following advantages:
> - shorter code,
> - recorded defer probe reason for debugging,
> - uniform error code logging.
> 
> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
> ---
>  drivers/gpu/drm/bridge/lvds-codec.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/lvds-codec.c b/drivers/gpu/drm/bridge/lvds-codec.c
> index 24fb1befdfa2..f19d9f7a5db2 100644
> --- a/drivers/gpu/drm/bridge/lvds-codec.c
> +++ b/drivers/gpu/drm/bridge/lvds-codec.c
> @@ -71,13 +71,9 @@ static int lvds_codec_probe(struct platform_device *pdev)
>  	lvds_codec->connector_type = (uintptr_t)of_device_get_match_data(dev);
>  	lvds_codec->powerdown_gpio = devm_gpiod_get_optional(dev, "powerdown",
>  							     GPIOD_OUT_HIGH);
> -	if (IS_ERR(lvds_codec->powerdown_gpio)) {
> -		int err = PTR_ERR(lvds_codec->powerdown_gpio);
> -
> -		if (err != -EPROBE_DEFER)
> -			dev_err(dev, "powerdown GPIO failure: %d\n", err);
> -		return err;
> -	}
> +	if (IS_ERR(lvds_codec->powerdown_gpio))
> +		return dev_err_probe(dev, PTR_ERR(lvds_codec->powerdown_gpio),
> +				     "powerdown GPIO failure\n");
>  
>  	/* Locate the panel DT node. */
>  	panel_node = of_graph_get_remote_node(dev->of_node, 1, 0);
> 

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>

Patch
diff mbox series

diff --git a/drivers/gpu/drm/bridge/lvds-codec.c b/drivers/gpu/drm/bridge/lvds-codec.c
index 24fb1befdfa2..f19d9f7a5db2 100644
--- a/drivers/gpu/drm/bridge/lvds-codec.c
+++ b/drivers/gpu/drm/bridge/lvds-codec.c
@@ -71,13 +71,9 @@  static int lvds_codec_probe(struct platform_device *pdev)
 	lvds_codec->connector_type = (uintptr_t)of_device_get_match_data(dev);
 	lvds_codec->powerdown_gpio = devm_gpiod_get_optional(dev, "powerdown",
 							     GPIOD_OUT_HIGH);
-	if (IS_ERR(lvds_codec->powerdown_gpio)) {
-		int err = PTR_ERR(lvds_codec->powerdown_gpio);
-
-		if (err != -EPROBE_DEFER)
-			dev_err(dev, "powerdown GPIO failure: %d\n", err);
-		return err;
-	}
+	if (IS_ERR(lvds_codec->powerdown_gpio))
+		return dev_err_probe(dev, PTR_ERR(lvds_codec->powerdown_gpio),
+				     "powerdown GPIO failure\n");
 
 	/* Locate the panel DT node. */
 	panel_node = of_graph_get_remote_node(dev->of_node, 1, 0);