[PATCH] drivers/mtd/chips/cfi_cmdset_0001.c: correct block lock timeout
Andrew Klossner
andrew at cesa.opbu.xerox.com
Tue Mar 24 14:14:39 EDT 2009
The time parameters to WAIT_TIMEOUT are in units of microseconds, so
one second must be expressed as 1000000 not 1000000/HZ.
The Intel Strataflash part with which this patch was tested takes 0.7
seconds to lock/unlock, so one second does indeed seem to be a good
timeout value.
Signed-off-by: Andrew Klossner <andrew at cesa.opbu.xerox.com>
---
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index f5ab6fa..97f3c71 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -2041,7 +2041,7 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip
* If Instant Individual Block Locking supported then no need
* to delay.
*/
- udelay = (!extp || !(extp->FeatureSupport & (1 << 5))) ? 1000000/HZ : 0;
+ udelay = (!extp || !(extp->FeatureSupport & (1 << 5))) ? 1000000 : 0;
ret = WAIT_TIMEOUT(map, chip, adr, udelay, udelay * 100);
if (ret) {
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