drivers/gpio: Fix drivers who are implicit users of module.h
A pending cleanup will mean that module.h won't be implicitly
everywhere anymore. Make sure the modular drivers in gpio
are actually calling out for <module.h> explicitly in advance.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/drivers/gpio/gpio-mc33880.c b/drivers/gpio/gpio-mc33880.c
index b3b4652..2de57ce 100644
--- a/drivers/gpio/gpio-mc33880.c
+++ b/drivers/gpio/gpio-mc33880.c
@@ -26,6 +26,7 @@
#include <linux/spi/mc33880.h>
#include <linux/gpio.h>
#include <linux/slab.h>
+#include <linux/module.h>
#define DRIVER_NAME "mc33880"
