mtd: atmel_nand: Disable subpage NAND write when using Atmel PMECC
authorHerve Codina <Herve.CODINA@celad.com>
Mon, 3 Mar 2014 11:15:29 +0000 (12:15 +0100)
committerBrian Norris <computersforpeace@gmail.com>
Tue, 11 Mar 2014 05:42:31 +0000 (22:42 -0700)
commit90445ff6241e2a13445310803e2efa606c61f276
treed0e70dc214f4a9f4651324d90090449a5025b44b
parentb8e2931d168724ca95d275f4f825636bff82a9e8
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>
drivers/mtd/nand/atmel_nand.c