These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / gpio / gpiolib.h

diff --git a/kernel/drivers/gpio/gpiolib.h b/kernel/drivers/gpio/gpiolib.h
index 594b179..98ab08c 100644 (file)
--- a/kernel/drivers/gpio/gpiolib.h
+++ b/kernel/drivers/gpio/gpiolib.h
@@ -42,6 +42,9 @@ void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
 struct gpio_desc *acpi_get_gpiod_by_index(struct acpi_device *adev,
                                          const char *propname, int index,
                                          struct acpi_gpio_info *info);
+struct gpio_desc *acpi_node_get_gpiod(struct fwnode_handle *fwnode,
+                                     const char *propname, int index,
+                                     struct acpi_gpio_info *info);
 
 int acpi_gpio_count(struct device *dev, const char *con_id);
 #else
@@ -60,7 +63,12 @@ acpi_get_gpiod_by_index(struct acpi_device *adev, const char *propname,
 {
        return ERR_PTR(-ENOSYS);
 }
-
+static inline struct gpio_desc *
+acpi_node_get_gpiod(struct fwnode_handle *fwnode, const char *propname,
+                   int index, struct acpi_gpio_info *info)
+{
+       return ERR_PTR(-ENXIO);
+}
 static inline int acpi_gpio_count(struct device *dev, const char *con_id)
 {
        return -ENODEV;
@@ -83,21 +91,16 @@ struct gpio_desc {
 #define FLAG_IS_OUT    1
 #define FLAG_EXPORT    2       /* protected by sysfs_lock */
 #define FLAG_SYSFS     3       /* exported via /sys/class/gpio/control */
-#define FLAG_TRIG_FALL 4       /* trigger on falling edge */
-#define FLAG_TRIG_RISE 5       /* trigger on rising edge */
 #define FLAG_ACTIVE_LOW        6       /* value has active low */
 #define FLAG_OPEN_DRAIN        7       /* Gpio is open drain type */
 #define FLAG_OPEN_SOURCE 8     /* Gpio is open source type */
 #define FLAG_USED_AS_IRQ 9     /* GPIO is connected to an IRQ */
-#define FLAG_SYSFS_DIR 10      /* show sysfs direction attribute */
 #define FLAG_IS_HOGGED 11      /* GPIO is hogged */
 
-#define ID_SHIFT       16      /* add new flags before this one */
-
-#define GPIO_FLAGS_MASK                ((1 << ID_SHIFT) - 1)
-#define GPIO_TRIGGER_MASK      (BIT(FLAG_TRIG_FALL) | BIT(FLAG_TRIG_RISE))
-
+       /* Connection label */
        const char              *label;
+       /* Name of the GPIO */
+       const char              *name;
 };
 
 int gpiod_request(struct gpio_desc *desc, const char *label);
@@ -151,17 +154,17 @@ static int __maybe_unused gpio_chip_hwgpio(const struct gpio_desc *desc)
 
 #ifdef CONFIG_GPIO_SYSFS
 
-int gpiochip_export(struct gpio_chip *chip);
-void gpiochip_unexport(struct gpio_chip *chip);
+int gpiochip_sysfs_register(struct gpio_chip *chip);
+void gpiochip_sysfs_unregister(struct gpio_chip *chip);
 
 #else
 
-static inline int gpiochip_export(struct gpio_chip *chip)
+static inline int gpiochip_sysfs_register(struct gpio_chip *chip)
 {
        return 0;
 }
 
-static inline void gpiochip_unexport(struct gpio_chip *chip)
+static inline void gpiochip_sysfs_unregister(struct gpio_chip *chip)
 {
 }