diff options
author | Wolfram Sang <w.sang@pengutronix.de> | 2010-09-03 06:35:37 -0400 |
---|---|---|
committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-10-24 18:49:41 -0400 |
commit | 2bdb053a8119355eada46dfab88782449a26b39d (patch) | |
tree | 26035a9c40cf6bcfe2c43ec24636879a58ac805e /drivers/mtd/nand | |
parent | f2df1ae3fe8d44d51bd7218a9da9134b83c7531e (diff) |
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>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r-- | drivers/mtd/nand/davinci_nand.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c index e7129591c9c7..ad51f8ef0d4f 100644 --- a/drivers/mtd/nand/davinci_nand.c +++ b/drivers/mtd/nand/davinci_nand.c | |||
@@ -313,7 +313,7 @@ static int nand_davinci_correct_4bit(struct mtd_info *mtd, | |||
313 | u32 syndrome[4]; | 313 | u32 syndrome[4]; |
314 | u32 ecc_state; | 314 | u32 ecc_state; |
315 | unsigned num_errors, corrected; | 315 | unsigned num_errors, corrected; |
316 | unsigned long timeo = jiffies + msecs_to_jiffies(100); | 316 | unsigned long timeo; |
317 | 317 | ||
318 | /* All bytes 0xff? It's an erased page; ignore its ECC. */ | 318 | /* All bytes 0xff? It's an erased page; ignore its ECC. */ |
319 | for (i = 0; i < 10; i++) { | 319 | for (i = 0; i < 10; i++) { |
@@ -373,6 +373,7 @@ compare: | |||
373 | * long as ECC_STATE reads less than 4. After that, ECC HW has entered | 373 | * long as ECC_STATE reads less than 4. After that, ECC HW has entered |
374 | * correction state. | 374 | * correction state. |
375 | */ | 375 | */ |
376 | timeo = jiffies + usecs_to_jiffies(100); | ||
376 | do { | 377 | do { |
377 | ecc_state = (davinci_nand_readl(info, | 378 | ecc_state = (davinci_nand_readl(info, |
378 | NANDFSR_OFFSET) >> 8) & 0x0f; | 379 | NANDFSR_OFFSET) >> 8) & 0x0f; |