openwrtv4/target/linux/lantiq/patches-3.10/0104-nand.patch
Gabor Juhos d2812cb036 kernel: update 3.10 to 3.10.36
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 40467
2014-04-12 11:59:07 +00:00

19 lines
590 B
Diff

--- a/drivers/mtd/nand/xway_nand.c
+++ b/drivers/mtd/nand/xway_nand.c
@@ -80,13 +80,16 @@ static void xway_reset_chip(struct nand_
static void xway_select_chip(struct mtd_info *mtd, int chip)
{
+ static unsigned long csflags;
switch (chip) {
case -1:
ltq_ebu_w32_mask(NAND_CON_CE, 0, EBU_NAND_CON);
ltq_ebu_w32_mask(NAND_CON_NANDM, 0, EBU_NAND_CON);
+ spin_unlock_irqrestore(&ebu_lock, csflags);
break;
case 0:
+ spin_lock_irqsave(&ebu_lock, csflags);
ltq_ebu_w32_mask(0, NAND_CON_NANDM, EBU_NAND_CON);
ltq_ebu_w32_mask(0, NAND_CON_CE, EBU_NAND_CON);
break;