[PATCH] drm/panel: y030xx067a: Make use of the helper function dev_err_probe()

From: Cai Huoqing
Date: Thu Sep 16 2021 - 06:47:07 EST


When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
And using dev_err_probe() can reduce code size, the error value
gets printed.

Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>
---
drivers/gpu/drm/panel/panel-abt-y030xx067a.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-abt-y030xx067a.c b/drivers/gpu/drm/panel/panel-abt-y030xx067a.c
index 2d8794d495d0..1b5d8f755b12 100644
--- a/drivers/gpu/drm/panel/panel-abt-y030xx067a.c
+++ b/drivers/gpu/drm/panel/panel-abt-y030xx067a.c
@@ -272,16 +272,14 @@ static int y030xx067a_probe(struct spi_device *spi)
return -EINVAL;

priv->supply = devm_regulator_get(dev, "power");
- if (IS_ERR(priv->supply)) {
- dev_err(dev, "Failed to get power supply\n");
- return PTR_ERR(priv->supply);
- }
+ if (IS_ERR(priv->supply))
+ return dev_err_probe(dev, PTR_ERR(priv->supply),
+ "Failed to get power supply\n");

priv->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
- if (IS_ERR(priv->reset_gpio)) {
- dev_err(dev, "Failed to get reset GPIO\n");
- return PTR_ERR(priv->reset_gpio);
- }
+ if (IS_ERR(priv->reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(priv->reset_gpio),
+ "Failed to get reset GPIO\n");

drm_panel_init(&priv->panel, dev, &y030xx067a_funcs,
DRM_MODE_CONNECTOR_DPI);
--
2.25.1