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authorGraff Yang <graff.yang@gmail.com>2009-03-02 16:31:29 +0800
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-03-20 18:32:17 +0000
commit6ac15e92dfd3064ae484e2e823890622476c4356 (patch)
tree4aced435b7d4cd9cb9fffb83694e6fa15f94fe29 /drivers/mtd
parent610f75e74b636f933bc3e379a88a10f883b91332 (diff)
[MTD] [CHIPS] cfi_cmdset_0001.c: Fix a bug in inval_cache_and_wait_for_operation().
If the inval_cache_and_wait_for_operation() is re-entered by write operation when erase operation is in progress, the chip->erase_suspended will be cleared, this cause the erase timeo is not reset and will result time out error for erase. Signed-off-by: Graff Yang <graff.yang@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0001.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index f5ab6fa1057..c240454fd11 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -1236,10 +1236,14 @@ static int inval_cache_and_wait_for_operation(
remove_wait_queue(&chip->wq, &wait);
spin_lock(chip->mutex);
}
- if (chip->erase_suspended || chip->write_suspended) {
- /* Suspend has occured while sleep: reset timeout */
+ if (chip->erase_suspended && chip_state == FL_ERASING) {
+ /* Erase suspend occured while sleep: reset timeout */
timeo = reset_timeo;
chip->erase_suspended = 0;
+ }
+ if (chip->write_suspended && chip_state == FL_WRITING) {
+ /* Write suspend occured while sleep: reset timeout */
+ timeo = reset_timeo;
chip->write_suspended = 0;
}
}