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-rw-r--r--drivers/mtd/chips/cfi_cmdset_0001.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 143f01a4c170..69c04945591f 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -4,7 +4,7 @@
4 * 4 *
5 * (C) 2000 Red Hat. GPL'd 5 * (C) 2000 Red Hat. GPL'd
6 * 6 *
7 * $Id: cfi_cmdset_0001.c,v 1.185 2005/11/07 11:14:22 gleixner Exp $ 7 * $Id: cfi_cmdset_0001.c,v 1.186 2005/11/23 22:07:52 nico Exp $
8 * 8 *
9 * 9 *
10 * 10/10/2000 Nicolas Pitre <nico@cam.org> 10 * 10/10/2000 Nicolas Pitre <nico@cam.org>
@@ -644,9 +644,8 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
644 * 644 *
645 * - contension arbitration is handled in the owner's context. 645 * - contension arbitration is handled in the owner's context.
646 * 646 *
647 * The 'shared' struct can be read when its lock is taken. 647 * The 'shared' struct can be read and/or written only when
648 * However any writes to it can only be made when the current 648 * its lock is taken.
649 * owner's lock is also held.
650 */ 649 */
651 struct flchip_shared *shared = chip->priv; 650 struct flchip_shared *shared = chip->priv;
652 struct flchip *contender; 651 struct flchip *contender;
@@ -675,14 +674,13 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
675 } 674 }
676 timeo = jiffies + HZ; 675 timeo = jiffies + HZ;
677 spin_lock(&shared->lock); 676 spin_lock(&shared->lock);
677 spin_unlock(contender->mutex);
678 } 678 }
679 679
680 /* We now own it */ 680 /* We now own it */
681 shared->writing = chip; 681 shared->writing = chip;
682 if (mode == FL_ERASING) 682 if (mode == FL_ERASING)
683 shared->erasing = chip; 683 shared->erasing = chip;
684 if (contender && contender != chip)
685 spin_unlock(contender->mutex);
686 spin_unlock(&shared->lock); 684 spin_unlock(&shared->lock);
687 } 685 }
688 686