diff options
Diffstat (limited to 'drivers/gpio/gpiolib-acpi.c')
| -rw-r--r-- | drivers/gpio/gpiolib-acpi.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 0fa0127d50ec..1aacd2a5a1fd 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -945,8 +945,9 @@ struct gpio_desc *acpi_node_get_gpiod(struct fwnode_handle *fwnode, } /** - * acpi_dev_gpio_irq_get() - Find GpioInt and translate it to Linux IRQ number + * acpi_dev_gpio_irq_get_by() - Find GpioInt and translate it to Linux IRQ number * @adev: pointer to a ACPI device to get IRQ from + * @name: optional name of GpioInt resource * @index: index of GpioInt resource (starting from %0) * * If the device has one or more GpioInt resources, this function can be @@ -956,9 +957,12 @@ struct gpio_desc *acpi_node_get_gpiod(struct fwnode_handle *fwnode, * The function is idempotent, though each time it runs it will configure GPIO * pin direction according to the flags in GpioInt resource. * + * The function takes optional @name parameter. If the resource has a property + * name, then only those will be taken into account. + * * Return: Linux IRQ number (> %0) on success, negative errno on failure. */ -int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) +int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, int index) { int idx, i; unsigned int irq_flags; @@ -968,7 +972,7 @@ int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) struct acpi_gpio_info info; struct gpio_desc *desc; - desc = acpi_get_gpiod_by_index(adev, NULL, i, &info); + desc = acpi_get_gpiod_by_index(adev, name, i, &info); /* Ignore -EPROBE_DEFER, it only matters if idx matches */ if (IS_ERR(desc) && PTR_ERR(desc) != -EPROBE_DEFER) @@ -1013,7 +1017,7 @@ int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) } return -ENOENT; } -EXPORT_SYMBOL_GPL(acpi_dev_gpio_irq_get); +EXPORT_SYMBOL_GPL(acpi_dev_gpio_irq_get_by); static acpi_status acpi_gpio_adr_space_handler(u32 function, acpi_physical_address address, |