mfd: wcd9xxx: Fix compilation error with -DDEBUG
Function pr_debug_ratelimited() requires macro DEFINE_RATELIMIT_STATE when
macro DEBUG is defined.
Include header ratelimit.h and fix compilation error.
Change-Id: I66f74d73cdaf4fdc9a805e307278813a5204c741
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
diff --git a/drivers/mfd/wcd9xxx-core.c b/drivers/mfd/wcd9xxx-core.c
index ff8234e..33549ad 100644
--- a/drivers/mfd/wcd9xxx-core.c
+++ b/drivers/mfd/wcd9xxx-core.c
@@ -15,6 +15,7 @@
#include <linux/of_gpio.h>
#include <linux/of_irq.h>
#include <linux/slab.h>
+#include <linux/ratelimit.h>
#include <linux/mfd/core.h>
#include <linux/mfd/wcd9xxx/wcd9xxx-slimslave.h>
#include <linux/mfd/wcd9xxx/core.h>