diff options
Diffstat (limited to 'drivers/gpio/gpiolib-acpi.c')
| -rw-r--r-- | drivers/gpio/gpiolib-acpi.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index bda28eb82c3f..609ed16ae933 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -19,6 +19,7 @@ #include <linux/pinctrl/pinctrl.h> #include "gpiolib.h" +#include "gpiolib-acpi.h" static int run_edge_events_on_boot = -1; module_param(run_edge_events_on_boot, int, 0444); @@ -391,6 +392,13 @@ int acpi_dev_add_driver_gpios(struct acpi_device *adev, } EXPORT_SYMBOL_GPL(acpi_dev_add_driver_gpios); +void acpi_dev_remove_driver_gpios(struct acpi_device *adev) +{ + if (adev) + adev->driver_gpios = NULL; +} +EXPORT_SYMBOL_GPL(acpi_dev_remove_driver_gpios); + static void devm_acpi_dev_release_driver_gpios(struct device *dev, void *res) { acpi_dev_remove_driver_gpios(ACPI_COMPANION(dev)); @@ -729,6 +737,16 @@ static struct gpio_desc *acpi_get_gpiod_by_index(struct acpi_device *adev, return ret ? ERR_PTR(ret) : lookup.desc; } +static bool acpi_can_fallback_to_crs(struct acpi_device *adev, + const char *con_id) +{ + /* Never allow fallback if the device has properties */ + if (acpi_dev_has_props(adev) || adev->driver_gpios) + return false; + + return con_id == NULL; +} + struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id, unsigned int idx, @@ -1265,15 +1283,6 @@ int acpi_gpio_count(struct device *dev, const char *con_id) return count ? count : -ENOENT; } -bool acpi_can_fallback_to_crs(struct acpi_device *adev, const char *con_id) -{ - /* Never allow fallback if the device has properties */ - if (acpi_dev_has_props(adev) || adev->driver_gpios) - return false; - - return con_id == NULL; -} - /* Run deferred acpi_gpiochip_request_irqs() */ static int acpi_gpio_handle_deferred_request_irqs(void) { |