From 6a5a297cf78e64ed68577f3e3480bc10abf0124b Mon Sep 17 00:00:00 2001 From: Richard Purdie Date: Sat, 15 Jul 2006 13:05:24 +0100 Subject: [PATCH] MTD: [NAND] Fix the sharpsl driver after breakage from a core conversion The CNE bits are inverted on the device and writeb function is missing a NOT operation. Signed-off-by: Richard Purdie Signed-off-by: David Woodhouse --- drivers/mtd/nand/sharpsl.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c index fbeedc3184e9..51c7288ab49a 100644 --- a/drivers/mtd/nand/sharpsl.c +++ b/drivers/mtd/nand/sharpsl.c @@ -78,7 +78,7 @@ static struct mtd_partition sharpsl_nand_default_partition_info[] = { /* * hardware specific access to control-lines * ctrl: - * NAND_CNE: bit 0 -> bit 0 & 4 + * NAND_CNE: bit 0 -> ! bit 0 & 4 * NAND_CLE: bit 1 -> bit 1 * NAND_ALE: bit 2 -> bit 2 * @@ -92,7 +92,10 @@ static void sharpsl_nand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned char bits = ctrl & 0x07; bits |= (ctrl & 0x01) << 4; - writeb((readb(FLASHCTL) & 0x17) | bits, FLASHCTL); + + bits ^= 0x11; + + writeb((readb(FLASHCTL) & ~0x17) | bits, FLASHCTL); } if (cmd != NAND_CMD_NONE)