From 470b0a90d6a21cb72b671215f12ec7ec8a0db2c0 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Mon, 23 Oct 2006 14:29:04 +0100 Subject: [PATCH] =?utf8?q?[MTD]=20NAND:=20Disable=20ECC=20checking=20on=20?= =?utf8?q?CAF=C3=89=20since=20it's=20broken=20for=20now?= MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: David Woodhouse --- drivers/mtd/nand/cafe.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/cafe.c b/drivers/mtd/nand/cafe.c index 10132efd0588..6bcb430b951c 100644 --- a/drivers/mtd/nand/cafe.c +++ b/drivers/mtd/nand/cafe.c @@ -67,6 +67,9 @@ module_param(skipbbt, int, 0644); static int debug = 0; module_param(debug, int, 0644); +static int checkecc = 0; +module_param(checkecc, int, 0644); + /* Hrm. Why isn't this already conditional on something in the struct device? */ #define cafe_dev_dbg(dev, args...) do { if (debug) dev_dbg(dev, ##args); } while(0) @@ -214,7 +217,7 @@ static void cafe_nand_cmdfunc(struct mtd_info *mtd, unsigned command, writel(cafe->ctl2 | 0x100 | NAND_CMD_READSTART, cafe->mmio + CAFE_NAND_CTRL2); do_command: -#if 1 +#if 0 /* http://dev.laptop.org/ticket/200 ECC on read only works if we read precisely 0x80e bytes */ if (cafe->datalen == 2112) @@ -382,7 +385,7 @@ static int cafe_nand_read_page(struct mtd_info *mtd, struct nand_chip *chip, chip->read_buf(mtd, buf, mtd->writesize); chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); - if (readl(cafe->mmio + CAFE_NAND_ECC_RESULT) & (1<<18)) { + if (checkecc && readl(cafe->mmio + CAFE_NAND_ECC_RESULT) & (1<<18)) { unsigned short syn[8]; int i; -- 2.20.1