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Commit 470b0a90 authored by David Woodhouse's avatar David Woodhouse
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[MTD] NAND: Disable ECC checking on CAFÉ since it's broken for now 

Signed-off-by: default avatarDavid Woodhouse <dwmw2@infradead.org>
parent fbad5696
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Showing with 5 additions and 2 deletions
drivers/mtd/nand/cafe.c
View file @ 470b0a90
...@@ -67,6 +67,9 @@ module_param(skipbbt, int, 0644); ...@@ -67,6 +67,9 @@ module_param(skipbbt, int, 0644);
static int debug = 0; static int debug = 0;
module_param(debug, int, 0644); 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? */ /* 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) #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, ...@@ -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); writel(cafe->ctl2 | 0x100 | NAND_CMD_READSTART, cafe->mmio + CAFE_NAND_CTRL2);
do_command: do_command:
#if 1 #if 0
/* http://dev.laptop.org/ticket/200 /* http://dev.laptop.org/ticket/200
ECC on read only works if we read precisely 0x80e bytes */ ECC on read only works if we read precisely 0x80e bytes */
if (cafe->datalen == 2112) if (cafe->datalen == 2112)
...@@ -382,7 +385,7 @@ static int cafe_nand_read_page(struct mtd_info *mtd, struct nand_chip *chip, ...@@ -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, buf, mtd->writesize);
chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); 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]; unsigned short syn[8];
int i; int i;
......
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