summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorStefan Roese <sr@denx.de>2008-01-05 16:43:25 +0100
committerScott Wood <scottwood@freescale.com>2008-08-12 11:31:22 -0500
commit12072264528eba33737bc9674e19f0e925ffda23 (patch)
tree87f18a3f1166051f8c7e9be56544ccc5d4e8da98
parent9ad754fef5053144daed3b007adaf1c9bec654c9 (diff)
downloadu-boot-imx-12072264528eba33737bc9674e19f0e925ffda23.zip
u-boot-imx-12072264528eba33737bc9674e19f0e925ffda23.tar.gz
u-boot-imx-12072264528eba33737bc9674e19f0e925ffda23.tar.bz2
NAND: Change nand_wait_ready() to not call nand_wait()
This patch changes nand_wait_ready() to not just call nand_wait(), since this will send a new command to the NAND chip. We just want to wait for the chip to become ready here. Signed-off-by: Stefan Roese <sr@denx.de>
-rw-r--r--drivers/mtd/nand/nand_base.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 4b1c564..f577ed6 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -489,7 +489,16 @@ EXPORT_SYMBOL_GPL(nand_wait_ready);
void nand_wait_ready(struct mtd_info *mtd)
{
struct nand_chip *chip = mtd->priv;
- nand_wait(mtd, chip);
+ u32 timeo = (CFG_HZ * 20) / 1000;
+
+ reset_timer();
+
+ /* wait until command is processed or timeout occures */
+ while (get_timer(0) < timeo) {
+ if (chip->dev_ready)
+ if (chip->dev_ready(mtd))
+ break;
+ }
}
#endif