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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-05-23 20:03:24 +0300
committerLinus Walleij <linus.walleij@linaro.org>2017-05-29 11:22:48 +0200
commit25e3ef894eef419ee239da42edc6c1f8a4f1cfb5 (patch)
treebe2358271afc2732349ca8a6e40c5eac78b87cba /include/linux/acpi.h
parenta31f5c3a68520ee6a2adee7d5f13f2e6ef209875 (diff)
downloadblackbird-op-linux-25e3ef894eef419ee239da42edc6c1f8a4f1cfb5.tar.gz
blackbird-op-linux-25e3ef894eef419ee239da42edc6c1f8a4f1cfb5.zip
gpio: acpi: Split out acpi_gpio_get_irq_resource() helper
The helper does retrieve pointer to struct acpi_resource_gpio from struct acpi_resource if it represents GpioInt() resource. It will be used by PNP code later on. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/linux/acpi.h')
-rw-r--r--include/linux/acpi.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 137e4a3d89c5..d5aa3c42f64d 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -964,6 +964,8 @@ int devm_acpi_dev_add_driver_gpios(struct device *dev,
const struct acpi_gpio_mapping *gpios);
void devm_acpi_dev_remove_driver_gpios(struct device *dev);
+bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
+ struct acpi_resource_gpio **agpio);
int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
#else
static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
@@ -980,6 +982,11 @@ static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
}
static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {}
+static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
+ struct acpi_resource_gpio **agpio)
+{
+ return false;
+}
static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
{
return -ENXIO;
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