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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-05-23 20:03:23 +0300
committerLinus Walleij <linus.walleij@linaro.org>2017-05-29 11:21:44 +0200
commita31f5c3a68520ee6a2adee7d5f13f2e6ef209875 (patch)
tree8bab73a3370b975a73a7888f20e0bf96bbadb55e /drivers/gpio/gpiolib.h
parent2eca25af05481c7e462cbc077328e0eb3394d06b (diff)
gpio: acpi: Override GPIO initialization flags
This allows ACPI GPIO code to modify flags based on ACPI GpioIo() / GpioInt() resources. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpiolib.h')
-rw-r--r--drivers/gpio/gpiolib.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index 2aec8be7f444..a8be286eff86 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -75,11 +75,13 @@ struct gpio_device {
/**
* struct acpi_gpio_info - ACPI GPIO specific information
+ * @flags: GPIO initialization flags
* @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo
* @polarity: interrupt polarity as provided by ACPI
* @triggering: triggering type as provided by ACPI
*/
struct acpi_gpio_info {
+ enum gpiod_flags flags;
bool gpioint;
int polarity;
int triggering;
@@ -121,10 +123,13 @@ void acpi_gpiochip_remove(struct gpio_chip *chip);
void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
+int acpi_gpio_update_gpiod_flags(enum gpiod_flags *flags,
+ enum gpiod_flags update);
+
struct gpio_desc *acpi_find_gpio(struct device *dev,
const char *con_id,
unsigned int idx,
- enum gpiod_flags flags,
+ enum gpiod_flags *dflags,
enum gpio_lookup_flags *lookupflags);
struct gpio_desc *acpi_node_get_gpiod(struct fwnode_handle *fwnode,
const char *propname, int index,
@@ -143,9 +148,15 @@ acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
static inline void
acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { }
+static inline int
+acpi_gpio_update_gpiod_flags(enum gpiod_flags *flags, enum gpiod_flags update)
+{
+ return 0;
+}
+
static inline struct gpio_desc *
acpi_find_gpio(struct device *dev, const char *con_id,
- unsigned int idx, enum gpiod_flags flags,
+ unsigned int idx, enum gpiod_flags *dflags,
enum gpio_lookup_flags *lookupflags)
{
return ERR_PTR(-ENOENT);