From c9b48b91e2fbb74fb981aa616a6ef3c78194077f Mon Sep 17 00:00:00 2001 From: Yuan Can Date: Thu, 29 Sep 2022 01:55:03 +0000 Subject: drm/panel: simple: Use dev_err_probe() to simplify code In the probe path, dev_err() can be replaced with dev_err_probe() which will check if error code is -EPROBE_DEFER and prints the error name. It also sets the defer probe reason which can be checked later through debugfs. Signed-off-by: Yuan Can Reviewed-by: Douglas Anderson Signed-off-by: Douglas Anderson Link: https://patchwork.freedesktop.org/patch/msgid/20220929015503.17301-3-yuancan@huawei.com --- drivers/gpu/drm/panel/panel-simple.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'drivers/gpu/drm/panel') diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index f9e1f85daef7..252fd66011cc 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -575,12 +575,9 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) panel->enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_LOW); - if (IS_ERR(panel->enable_gpio)) { - err = PTR_ERR(panel->enable_gpio); - if (err != -EPROBE_DEFER) - dev_err(dev, "failed to request GPIO: %d\n", err); - return err; - } + if (IS_ERR(panel->enable_gpio)) + return dev_err_probe(dev, PTR_ERR(panel->enable_gpio), + "failed to request GPIO\n"); err = of_drm_get_panel_orientation(dev->of_node, &panel->orientation); if (err) { -- cgit v1.2.3