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OMAPDSS: TFP410: use devm_gpio_request_one

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

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2012-09-04 10:52:19 +03:00
parent f075a594d7
commit a6df3fd963
1 changed files with 3 additions and 11 deletions
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14
drivers/video/omap2/displays/panel-tfp410.c
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@ -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);