openwrt/target/linux/mvebu/patches-3.10/0146-mtd-nand-pxa3xx-Remove-READ0-switch-case-falltrough.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

33 lines
1.2 KiB
Diff

From 11532c10a29e4faef29b5f3b354391d1e2f90213 Mon Sep 17 00:00:00 2001
From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Date: Thu, 14 Nov 2013 18:25:32 -0300
Subject: [PATCH 146/203] mtd: nand: pxa3xx: Remove READ0 switch/case
falltrough
READ0 and READOOB command preparation has a falltrough to SEQIN
case, where the command address is specified.
This is certainly confusing and makes the code less readable with
no added value. Let's remove it.
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 | 5 +++++
1 file changed, 5 insertions(+)
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -669,6 +669,11 @@ static int prepare_command_pool(struct p
if (mtd->writesize >= PAGE_CHUNK_SIZE)
info->ndcb0 |= NDCB0_DBC | (NAND_CMD_READSTART << 8);
+ set_command_address(info, mtd->writesize, column, page_addr);
+ info->buf_count = mtd->writesize + mtd->oobsize;
+ memset(info->data_buff, 0xFF, info->buf_count);
+ break;
+
case NAND_CMD_SEQIN:
set_command_address(info, mtd->writesize, column, page_addr);