mei: move mei-me to separate module

[cascardo/linux.git] / include / asm-generic / gpio.h

diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 20ca766..bde6469 100644 (file)
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -47,12 +47,14 @@ struct gpio;
 struct seq_file;
 struct module;
 struct device_node;
+struct gpio_desc;
 
 /**
  * struct gpio_chip - abstract a GPIO controller
  * @label: for diagnostics
  * @dev: optional device providing the GPIOs
  * @owner: helps prevent removal of modules exporting active GPIOs
+ * @list: links gpio_chips together for traversal
  * @request: optional hook for chip-specific activation, such as
  *     enabling module power and clock; may sleep
  * @free: optional hook for chip-specific deactivation, such as
@@ -75,6 +77,7 @@ struct device_node;
  *     negative during registration, requests dynamic ID allocation.
  * @ngpio: the number of GPIOs handled by this controller; the last GPIO
  *     handled is (base + ngpio - 1).
+ * @desc: array of ngpio descriptors. Private.
  * @can_sleep: flag must be set iff get()/set() methods sleep, as they
  *     must while accessing GPIO expander chips over I2C or SPI
  * @names: if set, must be an array of strings to use as alternative
@@ -98,6 +101,7 @@ struct gpio_chip {
        const char              *label;
        struct device           *dev;
        struct module           *owner;
+       struct list_head        list;
 
        int                     (*request)(struct gpio_chip *chip,
                                                unsigned offset);
@@ -124,6 +128,7 @@ struct gpio_chip {
                                                struct gpio_chip *chip);
        int                     base;
        u16                     ngpio;
+       struct gpio_desc        *desc;
        const char              *const *names;
        unsigned                can_sleep:1;
        unsigned                exported:1;
@@ -152,7 +157,6 @@ struct gpio_chip {
 extern const char *gpiochip_is_requested(struct gpio_chip *chip,
                        unsigned offset);
 extern struct gpio_chip *gpio_to_chip(unsigned gpio);
-extern int __must_check gpiochip_reserve(int start, int ngpio);
 
 /* add/remove chips */
 extern int gpiochip_add(struct gpio_chip *chip);
@@ -192,12 +196,6 @@ extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *labe
 extern int gpio_request_array(const struct gpio *array, size_t num);
 extern void gpio_free_array(const struct gpio *array, size_t num);
 
-/* bindings for managed devices that want to request gpios */
-int devm_gpio_request(struct device *dev, unsigned gpio, const char *label);
-int devm_gpio_request_one(struct device *dev, unsigned gpio,
-                         unsigned long flags, const char *label);
-void devm_gpio_free(struct device *dev, unsigned int gpio);
-
 #ifdef CONFIG_GPIO_SYSFS
 
 /*
@@ -212,6 +210,43 @@ extern void gpio_unexport(unsigned gpio);
 
 #endif /* CONFIG_GPIO_SYSFS */
 
+#ifdef CONFIG_PINCTRL
+
+/**
+ * struct gpio_pin_range - pin range controlled by a gpio chip
+ * @head: list for maintaining set of pin ranges, used internally
+ * @pctldev: pinctrl device which handles corresponding pins
+ * @range: actual range of pins controlled by a gpio controller
+ */
+
+struct gpio_pin_range {
+       struct list_head node;
+       struct pinctrl_dev *pctldev;
+       struct pinctrl_gpio_range range;
+};
+
+int gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name,
+                          unsigned int gpio_offset, unsigned int pin_offset,
+                          unsigned int npins);
+void gpiochip_remove_pin_ranges(struct gpio_chip *chip);
+
+#else
+
+static inline int
+gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name,
+                      unsigned int gpio_offset, unsigned int pin_offset,
+                      unsigned int npins)
+{
+       return 0;
+}
+
+static inline void
+gpiochip_remove_pin_ranges(struct gpio_chip *chip)
+{
+}
+
+#endif /* CONFIG_PINCTRL */
+
 #else  /* !CONFIG_GPIOLIB */
 
 static inline bool gpio_is_valid(int number)
@@ -270,41 +305,4 @@ static inline void gpio_unexport(unsigned gpio)
 }
 #endif /* CONFIG_GPIO_SYSFS */
 
-#ifdef CONFIG_PINCTRL
-
-/**
- * struct gpio_pin_range - pin range controlled by a gpio chip
- * @head: list for maintaining set of pin ranges, used internally
- * @pctldev: pinctrl device which handles corresponding pins
- * @range: actual range of pins controlled by a gpio controller
- */
-
-struct gpio_pin_range {
-       struct list_head node;
-       struct pinctrl_dev *pctldev;
-       struct pinctrl_gpio_range range;
-};
-
-int gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name,
-                          unsigned int gpio_offset, unsigned int pin_offset,
-                          unsigned int npins);
-void gpiochip_remove_pin_ranges(struct gpio_chip *chip);
-
-#else
-
-static inline int
-gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name,
-                      unsigned int gpio_offset, unsigned int pin_offset,
-                      unsigned int npins)
-{
-       return 0;
-}
-
-static inline void
-gpiochip_remove_pin_ranges(struct gpio_chip *chip)
-{
-}
-
-#endif /* CONFIG_PINCTRL */
-
 #endif /* _ASM_GENERIC_GPIO_H */