gpiolib: Clean up headers

There is a few things done:
- include only the headers we are direct user of
- when pointer is in use, provide a forward declaration
- add missing headers
- group generic headers and subsystem headers
- sort each group alphabetically

While at it, fix some awkward indentations.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/gpio/gpiolib-of.h b/drivers/gpio/gpiolib-of.h
index 8af2bc899aab..1b5df39a952e 100644
--- a/drivers/gpio/gpiolib-of.h
+++ b/drivers/gpio/gpiolib-of.h
@@ -3,8 +3,17 @@
 #ifndef GPIOLIB_OF_H
 #define GPIOLIB_OF_H
 
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+
+#include <linux/notifier.h>
+
+struct device;
+
 struct gpio_chip;
-enum of_gpio_flags;
+struct gpio_desc;
+struct gpio_device;
 
 #ifdef CONFIG_OF_GPIO
 struct gpio_desc *of_find_gpio(struct device *dev,