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mtd: nand: fix build failure and incorrect return from omap_wait() 

We need to include jiffies.h manually in some cases, and the status
returned from omap_wait() was broken in two separate ways.

Also add cond_resched() to the loop.

Signed-off-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
vimal singh 2009-06-27 11:07:06 +05:30 committed by David Woodhouse
parent 70ec3bb8ea
commit c276aca46d
1 changed files with 5 additions and 2 deletions
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7
drivers/mtd/nand/omap2.c
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@ -11,6 +11,8 @@
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/dma-mapping.h> #include <linux/dma-mapping.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/jiffies.h>
#include <linux/sched.h>
#include <linux/mtd/mtd.h> #include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h> #include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h> #include <linux/mtd/partitions.h>
@ -541,7 +543,7 @@ static int omap_wait(struct mtd_info *mtd, struct nand_chip *chip)
struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, struct omap_nand_info *info = container_of(mtd, struct omap_nand_info,
mtd); mtd);
unsigned long timeo = jiffies; unsigned long timeo = jiffies;
int status, state = this->state; int status = NAND_STATUS_FAIL, state = this->state;
if (state == FL_ERASING) if (state == FL_ERASING)
timeo += (HZ * 400) / 1000; timeo += (HZ * 400) / 1000;
@ -556,8 +558,9 @@ static int omap_wait(struct mtd_info *mtd, struct nand_chip *chip)
while (time_before(jiffies, timeo)) { while (time_before(jiffies, timeo)) {
status = __raw_readb(this->IO_ADDR_R); status = __raw_readb(this->IO_ADDR_R);
if (!(status & 0x40)) if (status & NAND_STATUS_READY)
break; break;
cond_resched();
} }
return status; return status;
} }