[PATCH 08/17] OMAPDSS: TFP410: use devm_gpio_request_one

Tomi Valkeinen
2012-09-05T08:26:28Z

Use devm_ version instead of the regular gpio_request_one to simplify
the error handling.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
drivers/video/omap2/displays/panel-tfp410.c | 14 +++-----------
1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/video/omap2/displays/panel-tfp410.c b/drivers/video/omap2/displays/panel-tfp410.c
index 4be9a59..383811c 100644
--- a/drivers/video/omap2/displays/panel-tfp410.c
+++ b/drivers/video/omap2/displays/panel-tfp410.c
@@ -119,8 +119,8 @@ static int tfp410_probe(struct omap_dss_device *dssdev)
}

if (gpio_is_valid(ddata->pd_gpio)) {
- r = gpio_request_one(ddata->pd_gpio, GPIOF_OUT_INIT_LOW,
- "tfp410 pd");
+ r = devm_gpio_request_one(&dssdev->dev, ddata->pd_gpio,
+ GPIOF_OUT_INIT_LOW, "tfp410 pd");
if (r) {
dev_err(&dssdev->dev, "Failed to request PD GPIO %d\n",
ddata->pd_gpio);
@@ -135,8 +135,7 @@ static int tfp410_probe(struct omap_dss_device *dssdev)
if (!adapter) {
dev_err(&dssdev->dev, "Failed to get I2C adapter, bus %d\n",
i2c_bus_num);
- r = -EINVAL;
- goto err_i2c;
+ return -EINVAL;
}

ddata->i2c_adapter = adapter;
@@ -145,10 +144,6 @@ static int tfp410_probe(struct omap_dss_device *dssdev)
dev_set_drvdata(&dssdev->dev, ddata);

return 0;
-err_i2c:
- if (gpio_is_valid(ddata->pd_gpio))
- gpio_free(ddata->pd_gpio);
- return r;
}

static void __exit tfp410_remove(struct omap_dss_device *dssdev)
@@ -160,9 +155,6 @@ static void __exit tfp410_remove(struct omap_dss_device *dssdev)
if (ddata->i2c_adapter)
i2c_put_adapter(ddata->i2c_adapter);

- if (gpio_is_valid(ddata->pd_gpio))
- gpio_free(ddata->pd_gpio);
-
dev_set_drvdata(&dssdev->dev, NULL);

mutex_unlock(&ddata->lock);
--
1.7.9.5