[PATCH] mfd: sm501: Include the GPIO driver header

[Linus Walleij]

This driver creates a gpio chip so it needs to include the
appropriate header <linux/gpio/driver.h> explicitly rather
than implicitly.

Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
 drivers/mfd/sm501.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 9b9b06d36cb1..dc46d62085cc 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -17,6 +17,7 @@
 #include <linux/platform_device.h>
 #include <linux/pci.h>
 #include <linux/platform_data/i2c-gpio.h>
+#include <linux/gpio/driver.h>
 #include <linux/gpio/machine.h>
 #include <linux/slab.h>
 
-- 
2.21.0