From: Herve Codina <Herve.CODINA@celad.com>
Date: Mon, 3 Mar 2014 11:15:29 +0000 (+0100)
Subject: mtd: atmel_nand: Disable subpage NAND write when using Atmel PMECC
X-Git-Tag: v3.15-rc1~65^2~65
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=90445ff6241e2a13445310803e2efa606c61f276;p=pandora-kernel.git

mtd: atmel_nand: Disable subpage NAND write when using Atmel PMECC

Crash detected on sam5d35 and its pmecc nand ecc controller.

The problem was a call to chip->ecc.hwctl from nand_write_subpage_hwecc
(nand_base.c) when we write a sub page.
chip->ecc.hwctl function is not set when we are using PMECC controller.
As a workaround, set NAND_NO_SUBPAGE_WRITE for PMECC controller in
order to disable sub page access in nand_write_page.

Signed-off-by: Herve Codina <Herve.CODINA@celad.com>
Acked-by: Josh Wu <josh.wu@atmel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---

Reading git-diff-tree failed