[PATCH][MTD][NAND]: fix omap2.c compile failure and warning

[tom.leiming@gmail.com]

From: Ming Lei <tom.leiming@gmail.com>

drivers/mtd/nand/omap2.c: In function 'omap_wait':
drivers/mtd/nand/omap2.c:543: error: 'jiffies' undeclared (first use in this function)
drivers/mtd/nand/omap2.c:543: error: (Each undeclared identifier is reported only once
drivers/mtd/nand/omap2.c:543: error: for each function it appears in.)
drivers/mtd/nand/omap2.c:557: error: implicit declaration of function 'time_before'

......

drivers/mtd/nand/omap2.c: In function 'omap_wait':
drivers/mtd/nand/omap2.c:545: warning: 'status' may be used uninitialized in this function

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
---
 drivers/mtd/nand/omap2.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 0cd76f8..2905c79 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -15,6 +15,7 @@
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
 #include <linux/io.h>
+#include <linux/jiffies.h>
 
 #include <asm/dma.h>
 
@@ -541,7 +542,8 @@ static int omap_wait(struct mtd_info *mtd, struct nand_chip *chip)
 	struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
 							mtd);
 	unsigned long timeo = jiffies;
-	int status, state = this->state;
+	int state = this->state;
+	int status = 0;
 
 	if (state == FL_ERASING)
 		timeo += (HZ * 400) / 1000;
-- 
1.6.0.GIT