From: Vipin Kumar <vipin.kumar@st.com>
Date: Wed, 14 Mar 2012 06:17:10 +0000 (+0530)
Subject: mtd: nand/fsmc: Read only 512 + 13 bytes for 8bit NAND devices
X-Git-Tag: v3.4-rc1~16^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aea686b47c0cf97e0c6941799b523b6df87fc234;p=pandora-kernel.git

mtd: nand/fsmc: Read only 512 + 13 bytes for 8bit NAND devices

The ECC logic of FSMC works on 512 bytes data + 13 bytes ECC to generate error
indices of up to 8 incorrect bits. The FSMC driver reads 14 instead of 13 oob
bytes to accommodate for 16 bit device as well.

Unfortunately, the internal ecc state machine gets corrupted for 8 bit devices
reading 512 + 14 bytes of data resulting in error indices not getting reported.

Fix this by reading 14 bytes only for 16 bit devices

Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---

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