drivers/rtc/rtc-imxdi.c needs linux/sched.h

Include linux/sched.h to fix below build error.

    CC      drivers/rtc/rtc-imxdi.o
  drivers/rtc/rtc-imxdi.c: In function 'di_write_wait':
  drivers/rtc/rtc-imxdi.c:168: error: 'TASK_INTERRUPTIBLE' undeclared (first use in this function)
  drivers/rtc/rtc-imxdi.c:168: error: (Each undeclared identifier is reported only once
  drivers/rtc/rtc-imxdi.c:168: error: for each function it appears in.)
  drivers/rtc/rtc-imxdi.c:168: error: implicit declaration of function 'signal_pending'
  drivers/rtc/rtc-imxdi.c:168: error: implicit declaration of function 'schedule_timeout'
  drivers/rtc/rtc-imxdi.c: In function 'dryice_norm_irq':
  drivers/rtc/rtc-imxdi.c:329: error: 'TASK_INTERRUPTIBLE' undeclared (first use in this function)

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Baruch Siach <baruch@tkos.co.il>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
index 2dd3c0163272..d93a9608b1f0 100644
--- a/drivers/rtc/rtc-imxdi.c
+++ b/drivers/rtc/rtc-imxdi.c
@@ -35,6 +35,7 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/rtc.h>
+#include <linux/sched.h>
 #include <linux/workqueue.h>
 
 /* DryIce Register Definitions */