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authorAlexandre Courbot <acourbot@nvidia.com>2014-07-25 23:47:25 +0900
committerThierry Reding <treding@nvidia.com>2014-08-07 09:35:27 +0200
commit9746c61960b63d2cea41333bca00c60f032052bb (patch)
tree713eda3d17b320396b9b6eef9a426b09c972569b /drivers
parent77df01dcd3040a7d664d85d085d4a21533824bc1 (diff)
drm/panel: simple: Use devm_gpiod_get_optional()
Use the new devm_gpiod_get_optional() to simplify the probe code. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/panel/panel-simple.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 6ae1aada6373..4ce1db0a68ff 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -247,16 +247,14 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
if (IS_ERR(panel->supply))
return PTR_ERR(panel->supply);
- panel->enable_gpio = devm_gpiod_get(dev, "enable");
+ panel->enable_gpio = devm_gpiod_get_optional(dev, "enable");
if (IS_ERR(panel->enable_gpio)) {
err = PTR_ERR(panel->enable_gpio);
- if (err != -ENOENT) {
- dev_err(dev, "failed to request GPIO: %d\n", err);
- return err;
- }
+ dev_err(dev, "failed to request GPIO: %d\n", err);
+ return err;
+ }
- panel->enable_gpio = NULL;
- } else {
+ if (panel->enable_gpio) {
err = gpiod_direction_output(panel->enable_gpio, 0);
if (err < 0) {
dev_err(dev, "failed to setup GPIO: %d\n", err);