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| author | Alexandre Courbot <acourbot@nvidia.com> | 2014-07-25 18:47:25 +0400 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2014-08-07 11:35:27 +0400 |
| commit | 9746c61960b63d2cea41333bca00c60f032052bb (patch) | |
| tree | 713eda3d17b320396b9b6eef9a426b09c972569b | |
| parent | 77df01dcd3040a7d664d85d085d4a21533824bc1 (diff) | |
| download | linux-9746c61960b63d2cea41333bca00c60f032052bb.tar.xz | |
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>
| -rw-r--r-- | drivers/gpu/drm/panel/panel-simple.c | 12 |
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); |