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From 70890e8687b3d99a575a58e21fe1d13dad157bfe Mon Sep 17 00:00:00 2001
From: Andrea Adami <andrea.adami@gmail.com>
Date: Tue, 31 Dec 2013 16:47:48 +0100
Subject: [PATCH 765/765] mtd: cfi_cmdset_001.c: fixup for reading nr of hw
partitions on Sharp LH28F640BF
Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
---
drivers/mtd/chips/cfi_cmdset_0001.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index a5c984a..be0da9a 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -388,6 +388,14 @@ read_pri_intelext(struct map_info *map, __u16 adr)
if (extp->MinorVersion >= '3') {
int nb_parts, i;
+ /* Sharp LH28F640BFHE doesn't respect the nr of synch modes/fields
+ * the value is 0 but there are three fields:
+ * Synchronous mode read capability configuration 1,2,3
+ * The first one seems always present, listed as reserved
+ */
+ if (cfi->mfr == CFI_MFR_SHARP && cfi->id == 0x00b0)
+ extra_size += 3;
+
/* Number of hardware-partitions */
extra_size += 1;
if (extp_size < sizeof(*extp) + extra_size)
@@ -657,6 +665,14 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd,
/* Burst Read info */
offs += extp->extra[offs+1]+2;
+ /* Sharp LH28F640BFHE doesn't respect the nr of synch modes/fields
+ * the value is 0 but there are three fields:
+ * Synchronous mode read capability configuration 1,2,3
+ * The first one seems always present, listed as reserved
+ */
+ if (cfi->mfr == CFI_MFR_SHARP && cfi->id == 0x00b0)
+ offs += 3;
+
/* Number of partition regions */
numregions = extp->extra[offs];
offs += 1;
--
1.8.1.5
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