gpiolib: acpi: Add ACPI_GPIO_QUIRK_ABSOLUTE_NUMBER quirk

[linux-2.6-microblaze.git] / drivers / gpio / gpiolib-acpi.c

diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 86efa2d..0fa0127 100644 (file)
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -677,6 +677,7 @@ static int acpi_populate_gpio_lookup(struct acpi_resource *ares, void *data)
        if (!lookup->desc) {
                const struct acpi_resource_gpio *agpio = &ares->data.gpio;
                bool gpioint = agpio->connection_type == ACPI_RESOURCE_GPIO_TYPE_INT;
+               struct gpio_desc *desc;
                u16 pin_index;
 
                if (lookup->info.quirks & ACPI_GPIO_QUIRK_ONLY_GPIOIO && gpioint)
@@ -689,8 +690,12 @@ static int acpi_populate_gpio_lookup(struct acpi_resource *ares, void *data)
                if (pin_index >= agpio->pin_table_length)
                        return 1;
 
-               lookup->desc = acpi_get_gpiod(agpio->resource_source.string_ptr,
+               if (lookup->info.quirks & ACPI_GPIO_QUIRK_ABSOLUTE_NUMBER)
+                       desc = gpio_to_desc(agpio->pin_table[pin_index]);
+               else
+                       desc = acpi_get_gpiod(agpio->resource_source.string_ptr,
                                              agpio->pin_table[pin_index]);
+               lookup->desc = desc;
                lookup->info.pin_config = agpio->pin_config;
                lookup->info.debounce = agpio->debounce_timeout;
                lookup->info.gpioint = gpioint;