diff options
| author | Russell King <linux@arm.linux.org.uk> | 2005-01-24 23:49:54 (GMT) |
|---|---|---|
| committer | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-05-23 10:15:15 (GMT) |
| commit | 6170b43401a3230756ff76287ee07db0d75eddde (patch) | |
| tree | 771cda30b12defc6417086de0a41d1f8e81b576a /drivers/mtd/chips | |
| parent | 3118db3dfe7c16284d1d578e628fd87639b00731 (diff) | |
| download | linux-fsl-qoriq-6170b43401a3230756ff76287ee07db0d75eddde.tar.xz | |
[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 <linux@arm.linux.org.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/mtd/chips')
| -rw-r--r-- | 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 index fc982c4..dc065b2 100644 --- 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_info *map, struct chip_probe *cp, 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; |