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gpiolib: introduce devm_fwnode_gpiod_get_index()

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devm_fwnode_get_index_gpiod_from_child() is too long, besides the fwnode
in question does not have to be a child of device node. Let's rename it
to devm_fwnode_gpiod_get_index() and keep the old name for compatibility
for now.

Also let's add a devm_fwnode_gpiod_get() wrapper as majority of the
callers need a single GPIO.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/20190913032240.50333-2-dmitry.torokhov@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Dmitry Torokhov 2019-09-12 20:22:38 -07:00 • committed by Linus Walleij
parent 54ecb8f702
commit 2d2f116d69
2 changed files with 40 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

41
include/linux/gpio/consumer.h
View file

@ -176,11 +176,11 @@ struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode,
const char *propname, int index,
enum gpiod_flags dflags,
const char *label);
struct gpio_desc *devm_fwnode_get_index_gpiod_from_child(struct device *dev,
const char *con_id, int index,
struct fwnode_handle *child,
enum gpiod_flags flags,
const char *label);
struct gpio_desc *devm_fwnode_gpiod_get_index(struct device *dev,
struct fwnode_handle *child,
const char *con_id, int index,
enum gpiod_flags flags,
const char *label);
#else /* CONFIG_GPIOLIB */
@ -531,6 +531,29 @@ struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode,
return ERR_PTR(-ENOSYS);
}
static inline
struct gpio_desc *devm_fwnode_gpiod_get_index(struct device *dev,
struct fwnode_handle *fwnode,
const char *con_id, int index,
enum gpiod_flags flags,
const char *label)
{
return ERR_PTR(-ENOSYS);
}
#endif /* CONFIG_GPIOLIB */
static inline
struct gpio_desc *devm_fwnode_gpiod_get(struct device *dev,
struct fwnode_handle *fwnode,
const char *con_id,
enum gpiod_flags flags,
const char *label)
{
return devm_fwnode_gpiod_get_index(dev, fwnode, con_id, 0,
flags, label);
}
static inline
struct gpio_desc *devm_fwnode_get_index_gpiod_from_child(struct device *dev,
const char *con_id, int index,
@ -538,11 +561,10 @@ struct gpio_desc *devm_fwnode_get_index_gpiod_from_child(struct device *dev,
enum gpiod_flags flags,
const char *label)
{
return ERR_PTR(-ENOSYS);
return devm_fwnode_gpiod_get_index(dev, child, con_id, index,
flags, label);
}
#endif /* CONFIG_GPIOLIB */
static inline
struct gpio_desc *devm_fwnode_get_gpiod_from_child(struct device *dev,
const char *con_id,
@ -550,8 +572,7 @@ struct gpio_desc *devm_fwnode_get_gpiod_from_child(struct device *dev,
enum gpiod_flags flags,
const char *label)
{
return devm_fwnode_get_index_gpiod_from_child(dev, con_id, 0, child,
flags, label);
return devm_fwnode_gpiod_get_index(dev, child, con_id, 0, flags, label);
}
#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_OF_GPIO)