diff --git a/drivers/gpio/devres.c b/drivers/gpio/devres.c
index d196be7ac352f0e9e4a4782a82c4a9c9cb185240..7031eea165c98586fa355547c25157a099823d9c 100644
--- a/drivers/gpio/devres.c
+++ b/drivers/gpio/devres.c
@@ -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()
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 385df5241e5d3ac12b9d18fa3374a0cfe9b73250..19fce24ea4a0a3de6aded4cb41c26028531b1003 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -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;
}
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 2ec74d90ef788e0b7667ede4c02b2e35573903bc..13372782dffe12164420beca6d6e2aebc940308e 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -481,8 +481,10 @@ static int gpio_keys_setup_key(struct platform_device *pdev,
spin_lock_init(&bdata->lock);
if (child) {
- bdata->gpiod = devm_get_gpiod_from_child(dev, NULL, child,
- GPIOD_IN, desc);
+ bdata->gpiod = devm_fwnode_get_gpiod_from_child(dev, NULL,
+ child,
+ GPIOD_IN,
+ desc);
if (IS_ERR(bdata->gpiod)) {
error = PTR_ERR(bdata->gpiod);
if (error == -ENOENT) {
diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c
index 5e35c565e3418487ecc784340fe018c5fb6d1e23..b3c8d5e7985c337e53477e30f3ef92e4193cc8e6 100644
--- a/drivers/input/keyboard/gpio_keys_polled.c
+++ b/drivers/input/keyboard/gpio_keys_polled.c
@@ -303,10 +303,10 @@ static int gpio_keys_polled_probe(struct platform_device *pdev)
return -EINVAL;
}
- bdata->gpiod = devm_get_gpiod_from_child(dev, NULL,
- child,
- GPIOD_IN,
- button->desc);
+ bdata->gpiod = devm_fwnode_get_gpiod_from_child(dev,
+ NULL, child,
+ GPIOD_IN,
+ button->desc);
if (IS_ERR(bdata->gpiod)) {
error = PTR_ERR(bdata->gpiod);
if (error != -EPROBE_DEFER)
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 6c4825d96693f98cb10619331df5a1c512a73c81..066fc75907299cc4ecd83bdf83f155c52e87cfb0 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -182,8 +182,9 @@ static struct gpio_leds_priv *gpio_leds_create(struct platform_device *pdev)
return ERR_PTR(-EINVAL);
}
- led.gpiod = devm_get_gpiod_from_child(dev, NULL, child,
- GPIOD_ASIS, led.name);
+ led.gpiod = devm_fwnode_get_gpiod_from_child(dev, NULL, child,
+ GPIOD_ASIS,
+ led.name);
if (IS_ERR(led.gpiod)) {
fwnode_handle_put(child);
return ERR_CAST(led.gpiod);
diff --git a/drivers/video/fbdev/amba-clcd-nomadik.c b/drivers/video/fbdev/amba-clcd-nomadik.c
index 9175ad9034e13ecda08100a592169c880445c43d..476ff3f4d46659f0b9537fcb07283259c2ff8d1e 100644
--- a/drivers/video/fbdev/amba-clcd-nomadik.c
+++ b/drivers/video/fbdev/amba-clcd-nomadik.c
@@ -185,26 +185,26 @@ static void tpg110_init(struct device *dev, struct device_node *np,
dev_info(dev, "TPG110 display init\n");
/* This asserts the GRESTB signal, putting the display into reset */
- grestb = devm_get_gpiod_from_child(dev, "grestb", &np->fwnode,
- GPIOD_OUT_HIGH, "grestb");
+ grestb = devm_fwnode_get_gpiod_from_child(dev, "grestb", &np->fwnode,
+ GPIOD_OUT_HIGH, "grestb");
if (IS_ERR(grestb)) {
dev_err(dev, "no GRESTB GPIO\n");
return;
}
- scen = devm_get_gpiod_from_child(dev, "scen", &np->fwnode,
- GPIOD_OUT_LOW, "scen");
+ scen = devm_fwnode_get_gpiod_from_child(dev, "scen", &np->fwnode,
+ GPIOD_OUT_LOW, "scen");
if (IS_ERR(scen)) {
dev_err(dev, "no SCEN GPIO\n");
return;
}
- scl = devm_get_gpiod_from_child(dev, "scl", &np->fwnode, GPIOD_OUT_LOW,
- "scl");
+ scl = devm_fwnode_get_gpiod_from_child(dev, "scl", &np->fwnode,
+ GPIOD_OUT_LOW, "scl");
if (IS_ERR(scl)) {
dev_err(dev, "no SCL GPIO\n");
return;
}
- sda = devm_get_gpiod_from_child(dev, "sda", &np->fwnode, GPIOD_OUT_LOW,
- "sda");
+ sda = devm_fwnode_get_gpiod_from_child(dev, "sda", &np->fwnode,
+ GPIOD_OUT_LOW, "sda");
if (IS_ERR(sda)) {
dev_err(dev, "no SDA GPIO\n");
return;
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index 80bad7ebde044ddc2a3805f59e18b412c8bf93f2..ea9b01d4001764137bca6235d53fd198d174b947 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -135,14 +135,14 @@ int desc_to_gpio(const struct gpio_desc *desc);
struct fwnode_handle;
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);
-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);
#else /* CONFIG_GPIOLIB */
static inline int gpiod_count(struct device *dev, const char *con_id)
@@ -417,7 +417,7 @@ struct fwnode_handle;
static inline
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)
{
@@ -425,17 +425,28 @@ struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode,
}
static inline
-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)
{
return ERR_PTR(-ENOSYS);
}
#endif /* CONFIG_GPIOLIB */
+static inline
+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)
+{
+ return devm_fwnode_get_index_gpiod_from_child(dev, con_id, 0, child,
+ flags, label);
+}
+
#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_GPIO_SYSFS)
int gpiod_export(struct gpio_desc *desc, bool direction_may_change);