diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/devres.c | 20 | ||||
| -rw-r--r-- | drivers/gpio/gpiolib.c | 9 |
2 files changed, 16 insertions, 13 deletions
diff --git a/drivers/gpio/devres.c b/drivers/gpio/devres.c index cd1bd1c3d2c0..b2bbcaae6a1f 100644 --- a/drivers/gpio/devres.c +++ b/drivers/gpio/devres.c @@ -123,10 +123,11 @@ struct gpio_desc *__must_check devm_gpiod_get_index(struct device *dev, EXPORT_SYMBOL(devm_gpiod_get_index); /** - * devm_fwnode_get_gpiod_from_child - get a GPIO descriptor from a device's - * child node + * devm_fwnode_get_index_gpiod_from_child - get a GPIO descriptor from a + * device's child node * @dev: GPIO consumer * @con_id: function within the GPIO consumer + * @index: index of the GPIO to obtain in the consumer * @child: firmware node (child of @dev) * @flags: GPIO initialization flags * @@ -136,11 +137,11 @@ EXPORT_SYMBOL(devm_gpiod_get_index); * On successfull request the GPIO pin is configured in accordance with * provided @flags. */ -struct gpio_desc *devm_fwnode_get_gpiod_from_child(struct device *dev, - const char *con_id, - struct fwnode_handle *child, - enum gpiod_flags flags, - 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) { static const char * const suffixes[] = { "gpios", "gpio" }; char prop_name[32]; /* 32 is max size of property name */ @@ -161,7 +162,8 @@ struct gpio_desc *devm_fwnode_get_gpiod_from_child(struct device *dev, snprintf(prop_name, sizeof(prop_name), "%s", suffixes[i]); - desc = fwnode_get_named_gpiod(child, prop_name, flags, label); + desc = fwnode_get_named_gpiod(child, prop_name, index, flags, + label); if (!IS_ERR(desc) || (PTR_ERR(desc) != -ENOENT)) break; } @@ -175,7 +177,7 @@ struct gpio_desc *devm_fwnode_get_gpiod_from_child(struct device *dev, return desc; } -EXPORT_SYMBOL(devm_fwnode_get_gpiod_from_child); +EXPORT_SYMBOL(devm_fwnode_get_index_gpiod_from_child); /** * devm_gpiod_get_index_optional - Resource-managed gpiod_get_index_optional() diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 20c6c51cbe10..5e5d48c3512c 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -3309,6 +3309,7 @@ EXPORT_SYMBOL_GPL(gpiod_get_index); * fwnode_get_named_gpiod - obtain a GPIO from firmware node * @fwnode: handle of the firmware node * @propname: name of the firmware property representing the GPIO + * @index: index of the GPIO to obtain in the consumer * @dflags: GPIO initialization flags * * This function can be used for drivers that get their configuration @@ -3324,7 +3325,7 @@ EXPORT_SYMBOL_GPL(gpiod_get_index); * In case of error an ERR_PTR() is returned. */ struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode, - const char *propname, + const char *propname, int index, enum gpiod_flags dflags, const char *label) { @@ -3340,8 +3341,8 @@ struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode, if (is_of_node(fwnode)) { enum of_gpio_flags flags; - desc = of_get_named_gpiod_flags(to_of_node(fwnode), propname, 0, - &flags); + desc = of_get_named_gpiod_flags(to_of_node(fwnode), propname, + index, &flags); if (!IS_ERR(desc)) { active_low = flags & OF_GPIO_ACTIVE_LOW; single_ended = flags & OF_GPIO_SINGLE_ENDED; @@ -3349,7 +3350,7 @@ struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode, } else if (is_acpi_node(fwnode)) { struct acpi_gpio_info info; - desc = acpi_node_get_gpiod(fwnode, propname, 0, &info); + desc = acpi_node_get_gpiod(fwnode, propname, index, &info); if (!IS_ERR(desc)) active_low = info.polarity == GPIO_ACTIVE_LOW; } |