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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-01-09 17:02:28 +0300
committerLinus Walleij <linus.walleij@linaro.org>2017-01-26 11:59:32 +0300
commita264d10ff45c688293d9112fddd8d29c819e0853 (patch)
tree850a9dac5d81c8dfdd8bb4bcdc5247408ea59d9e /drivers/gpio/devres.c
parent7ce7d89f48834cefece7804d38fc5d85382edf77 (diff)
downloadlinux-a264d10ff45c688293d9112fddd8d29c819e0853.tar.xz
gpiolib: Convert fwnode_get_named_gpiod() to configure GPIO
Make fwnode_get_named_gpiod() consistent with the rest of gpiod_get() like API, i.e. configure GPIO pin immediately after request. Besides obvious clean up it will help to configure pins based on firmware provided resources. Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/devres.c')
-rw-r--r--drivers/gpio/devres.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpio/devres.c b/drivers/gpio/devres.c
index b760cbbb41d8..5e0b41b5e554 100644
--- a/drivers/gpio/devres.c
+++ b/drivers/gpio/devres.c
@@ -127,13 +127,18 @@ EXPORT_SYMBOL(devm_gpiod_get_index);
* @dev: GPIO consumer
* @con_id: function within the GPIO consumer
* @child: firmware node (child of @dev)
+ * @flags: GPIO initialization flags
*
* GPIO descriptors returned from this function are automatically disposed on
* driver detach.
+ *
+ * On successfull request the GPIO pin is configured in accordance with
+ * provided @flags.
*/
struct gpio_desc *devm_get_gpiod_from_child(struct device *dev,
const char *con_id,
- struct fwnode_handle *child)
+ struct fwnode_handle *child,
+ enum gpiod_flags flags)
{
static const char * const suffixes[] = { "gpios", "gpio" };
char prop_name[32]; /* 32 is max size of property name */
@@ -154,7 +159,7 @@ struct gpio_desc *devm_get_gpiod_from_child(struct device *dev,
snprintf(prop_name, sizeof(prop_name), "%s",
suffixes[i]);
- desc = fwnode_get_named_gpiod(child, prop_name);
+ desc = fwnode_get_named_gpiod(child, prop_name, flags);
if (!IS_ERR(desc) || (PTR_ERR(desc) != -ENOENT))
break;
}