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gpio: pisosr: Use devm_gpiod_get_optional for gpio->load_gpio

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gpio->load_gpio is optional, so use devm_gpiod_get_optional instead.

Signed-off-by: Axel Lin <[email protected]>
Acked-by: Andrew F. Davis <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Axel Lin authored and Linus Walleij committed 2016-02-25 15:20:46 +01:00
1 parent d34607d11d
commit 21d08ab9c9
1 file changed
+4 -7
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drivers/gpio/gpio-pisosr.c
+4 -7
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@@ -125,15 +125,12 @@ static int pisosr_gpio_probe(struct spi_device *spi)
if (!gpio->buffer)
return -ENOMEM;
gpio->load_gpio = devm_gpiod_get(dev, "load", GPIOD_OUT_LOW);
gpio->load_gpio = devm_gpiod_get_optional(dev, "load", GPIOD_OUT_LOW);
if (IS_ERR(gpio->load_gpio)) {
ret = PTR_ERR(gpio->load_gpio);
if (ret != -ENOENT && ret != -ENOSYS) {
if (ret != -EPROBE_DEFER)
dev_err(dev, "Unable to allocate load GPIO\n");
return ret;
}
gpio->load_gpio = NULL;
if (ret != -EPROBE_DEFER)
dev_err(dev, "Unable to allocate load GPIO\n");
return ret;
}
mutex_init(&gpio->lock);