tree 771cda30b12defc6417086de0a41d1f8e81b576a
parent 3118db3dfe7c16284d1d578e628fd87639b00731
author Russell King <[EMAIL PROTECTED]> Mon, 24 Jan 2005 23:49:54 +0000
committer Thomas Gleixner <[EMAIL PROTECTED]> Mon, 23 May 2005 12:15:15 +0200
[MTD] Fix MTD device probing
Try larger numbers of chips before smaller
numbers of chips across the bus width.
This means we'll avoid misdetecting a 2 x16 array as 1 x32 if the
high 16-bits happen to read as zeros in the QRY area.
Signed-off-by: Russell King <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
drivers/mtd/chips/gen_probe.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -2,7 +2,7 @@
* Routines common to all CFI-type probes.
* (C) 2001-2003 Red Hat, Inc.
* GPL'd
- * $Id: gen_probe.c,v 1.21 2004/08/14 15:14:05 dwmw2 Exp $
+ * $Id: gen_probe.c,v 1.22 2005/01/24 23:49:50 rmk Exp $
*/
#include <linux/kernel.h>
@@ -162,7 +162,7 @@ static int genprobe_new_chip(struct map_
int max_chips = map_bankwidth(map); /* And minimum 1 */
int nr_chips, type;
- for (nr_chips = min_chips; nr_chips <= max_chips; nr_chips <<= 1) {
+ for (nr_chips = max_chips; nr_chips >= min_chips; nr_chips >>= 1) {
if (!cfi_interleave_supported(nr_chips))
continue;
-
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