[PATCH] gpio: pch: include linux/slab.h

[Arnd Bergmann]

The gpio-pch driver was recently enabled for compile-tests,
which revealed that it is missing an include for linux/slab.h,
which on ARM is not implied by any of the other headers.

Signed-off-by: Arnd Bergmann <arnd at arndb.de>

diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c
index 83a1563..d6eac9b 100644
--- a/drivers/gpio/gpio-pch.c
+++ b/drivers/gpio/gpio-pch.c
@@ -20,6 +20,7 @@
 #include <linux/gpio.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
+#include <linux/slab.h>
 
 #define PCH_EDGE_FALLING	0
 #define PCH_EDGE_RISING		BIT(0)