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Merge branch 'ib-gpiod-flags' into devel

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This commit is contained in:
Linus Walleij
2017-02-05 23:14:23 +01:00
parent e8e1a5b567 537b94dafc
commit e4df1ebdfe
7 changed files with 58 additions and 40 deletions
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19
drivers/gpio/devres.c
View File

@@ -125,9 +125,11 @@ struct gpio_desc *__must_check devm_gpiod_get_index(struct device *dev,
EXPORT_SYMBOL(devm_gpiod_get_index);
/**
* devm_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
*
@@ -137,11 +139,11 @@ EXPORT_SYMBOL(devm_gpiod_get_index);
* 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,
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)
{
char prop_name[32]; /* 32 is max size of property name */
struct gpio_desc **dr;
@@ -161,7 +163,8 @@ struct gpio_desc *devm_get_gpiod_from_child(struct device *dev,
snprintf(prop_name, sizeof(prop_name), "%s",
gpio_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 +178,7 @@ struct gpio_desc *devm_get_gpiod_from_child(struct device *dev,
return desc;
}
EXPORT_SYMBOL(devm_get_gpiod_from_child);
EXPORT_SYMBOL(devm_fwnode_get_index_gpiod_from_child);
/**
* devm_gpiod_get_index_optional - Resource-managed gpiod_get_index_optional()

9
drivers/gpio/gpiolib.c
View File

@@ -3316,6 +3316,7 @@ 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
@@ -3331,7 +3332,7 @@ 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)
{
@@ -3347,8 +3348,8 @@ 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;
@@ -3356,7 +3357,7 @@ 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;
}