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mtd: davinci: relax a timeout for ECC-initialization 

Sudhakar found out that 100µs are enough. Sadly, his updated patch was
overlooked and an older version still using 100ms was merged. Fix this.

Reference: http://patchwork.ozlabs.org/patch/59180/

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Wolfram Sang 2010-09-03 12:35:37 +02:00 committed by David Woodhouse
parent f2df1ae3fe
commit 2bdb053a81
1 changed files with 2 additions and 1 deletions
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3
drivers/mtd/nand/davinci_nand.c
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@ -313,7 +313,7 @@ static int nand_davinci_correct_4bit(struct mtd_info *mtd,
u32 syndrome[4];
u32 ecc_state;
unsigned num_errors, corrected;
unsigned long timeo = jiffies + msecs_to_jiffies(100);
unsigned long timeo;
/* All bytes 0xff? It's an erased page; ignore its ECC. */
for (i = 0; i < 10; i++) {
@ -373,6 +373,7 @@ compare:
* long as ECC_STATE reads less than 4. After that, ECC HW has entered
* correction state.
*/
timeo = jiffies + usecs_to_jiffies(100);
do {
ecc_state = (davinci_nand_readl(info,
NANDFSR_OFFSET) >> 8) & 0x0f;