openwrt/target/linux/mvebu/patches-3.10/0144-mtd-nand-pxa3xx-Clear-cmd-buffer-3-NDCB3-on-command-.patch
Luka Perkov c9ae111a20 mvebu: backport mainline patches from kernel 3.13
This is a backport of the patches accepted to the Linux mainline related to
mvebu SoC (Armada XP and Armada 370) between Linux v3.12, and Linux v3.13.
This work mainly covers:

* Finishes work for sharing the pxa nand driver(drivers/mtd/nand/pxa3xx_nand.c)
  between the PXA family, and the Armada family.
* timer initialization update, and access function for the Armada family.
* Generic IRQ handling backporting.
* Some bug fixes.

Signed-off-by: Seif Mazareeb <seif.mazareeb@gmail.com>
CC: Luka Perkov <luka@openwrt.org>

SVN-Revision: 39566
2014-02-11 02:07:44 +00:00

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1.0 KiB
Diff

From cb574fecefd9552e5c6c5105adab7b37b0feb712 Mon Sep 17 00:00:00 2001
From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Date: Thu, 14 Nov 2013 18:25:30 -0300
Subject: [PATCH 144/203] mtd: nand: pxa3xx: Clear cmd buffer #3 (NDCB3) on
command start
Command buffer #3 is not properly cleared and it keeps the last
set value. Fix this by clearing when a command is setup.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
---
drivers/mtd/nand/pxa3xx_nand.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -606,6 +606,7 @@ static int prepare_command_pool(struct p
info->use_ecc = 0;
info->use_spare = 1;
info->retcode = ERR_NONE;
+ info->ndcb3 = 0;
if (info->cs != 0)
info->ndcb0 = NDCB0_CSEL;
else
@@ -627,7 +628,6 @@ static int prepare_command_pool(struct p
default:
info->ndcb1 = 0;
info->ndcb2 = 0;
- info->ndcb3 = 0;
break;
}