From 42b0aab1cc30b2fa7e0a99b832bd1b5c9b59757d Mon Sep 17 00:00:00 2001 From: Rohit Hassan Sathyanarayan Date: Fri, 23 Jul 2010 12:29:25 +0530 Subject: [PATCH] mtd: onenand:fix for page addr calculation based on device type Sending the patch for page address calculation based on device type. This resolves the OneNAND DDP device read problem as pointed by Enric. http://lists.infradead.org/pipermail/linux-mtd/2010-July/030920.html Signed-off-by: Rohit HS Signed-off-by: Artem Bityutskiy Signed-off-by: David Woodhouse --- drivers/mtd/onenand/onenand_base.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 26caf2590dae..f749935f3cb5 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -377,8 +377,11 @@ static int onenand_command(struct mtd_info *mtd, int cmd, loff_t addr, size_t le default: block = onenand_block(this, addr); - page = (int) (addr - onenand_addr(this, block)) >> this->page_shift; - + if (FLEXONENAND(this)) + page = (int) (addr - onenand_addr(this, block))>>\ + this->page_shift; + else + page = (int) (addr >> this->page_shift); if (ONENAND_IS_2PLANE(this)) { /* Make the even block number */ block &= ~1; -- 2.39.5