[PATCH v1] gpiolib: Update header block in gpiolib-cdev.h

[Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>]

The dev_t is defined in types.h while struct gpio_device forward declaration
is missed. Take into account above and update header block in gpiolib-cdev.h.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 drivers/gpio/gpiolib-cdev.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib-cdev.h b/drivers/gpio/gpiolib-cdev.h
index 973578e7ad10..b42644cbffb8 100644
--- a/drivers/gpio/gpiolib-cdev.h
+++ b/drivers/gpio/gpiolib-cdev.h
@@ -3,7 +3,9 @@
 #ifndef GPIOLIB_CDEV_H
 #define GPIOLIB_CDEV_H
 
-#include <linux/device.h>
+#include <linux/types.h>
+
+struct gpio_device;
 
 int gpiolib_cdev_register(struct gpio_device *gdev, dev_t devt);
 void gpiolib_cdev_unregister(struct gpio_device *gdev);
-- 
2.28.0