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authorIngo Molnar <mingo@kernel.org>2012-12-07 12:15:33 +0100
committerIngo Molnar <mingo@kernel.org>2012-12-07 12:15:33 +0100
commit222e82bef4bd520a31d48c31ab24e49dd46daa46 (patch)
treeb6e73cad8e0b3a1c3e1acc537789e97aadaefa92 /drivers/mtd/nand/nand_base.c
parent38ca9c927c7d3db61f57e3d3a9334958c3af6e9a (diff)
parent18a2f371f5edf41810f6469cb9be39931ef9deb9 (diff)
Merge branch 'linus' into sched/core
Pick up the autogroups fix and other fixes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
-rw-r--r--drivers/mtd/nand/nand_base.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index ec6841d8e956..1a03b7f673ce 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2983,13 +2983,15 @@ static void nand_decode_ext_id(struct mtd_info *mtd, struct nand_chip *chip,
/*
* Field definitions are in the following datasheets:
* Old style (4,5 byte ID): Samsung K9GAG08U0M (p.32)
- * New style (6 byte ID): Samsung K9GAG08U0F (p.44)
+ * New Samsung (6 byte ID): Samsung K9GAG08U0F (p.44)
* Hynix MLC (6 byte ID): Hynix H27UBG8T2B (p.22)
*
- * Check for ID length, cell type, and Hynix/Samsung ID to decide what
- * to do.
+ * Check for ID length, non-zero 6th byte, cell type, and Hynix/Samsung
+ * ID to decide what to do.
*/
- if (id_len == 6 && id_data[0] == NAND_MFR_SAMSUNG) {
+ if (id_len == 6 && id_data[0] == NAND_MFR_SAMSUNG &&
+ (chip->cellinfo & NAND_CI_CELLTYPE_MSK) &&
+ id_data[5] != 0x00) {
/* Calc pagesize */
mtd->writesize = 2048 << (extid & 0x03);
extid >>= 2;