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authorKyungmin Park <kyungmin.park@samsung.com>2006-12-28 21:51:40 -0500
committerArtem Bityutskiy <dedekind@infradead.org>2007-01-10 07:40:16 -0500
commit2fd32d4af83f4535d12d3f6dd23189352a9596fa (patch)
treee7d20f3c6dc0e99854ca894c58c0d65295250839 /drivers/mtd
parent61a7e1983e773b93aac172dadc97f1eb484536b4 (diff)
[MTD] OneNAND: fix onenand_wait bug in read ecc error
Even though there is ECC error. OneNAND driver updates the buffram as valid Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/onenand/onenand_base.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 0037cee5ef27..e80857b3bb83 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -298,7 +298,7 @@ static int onenand_wait(struct mtd_info *mtd, int state)
298 unsigned long timeout; 298 unsigned long timeout;
299 unsigned int flags = ONENAND_INT_MASTER; 299 unsigned int flags = ONENAND_INT_MASTER;
300 unsigned int interrupt = 0; 300 unsigned int interrupt = 0;
301 unsigned int ctrl, ecc; 301 unsigned int ctrl;
302 302
303 /* The 20 msec is enough */ 303 /* The 20 msec is enough */
304 timeout = jiffies + msecs_to_jiffies(20); 304 timeout = jiffies + msecs_to_jiffies(20);
@@ -324,7 +324,7 @@ static int onenand_wait(struct mtd_info *mtd, int state)
324 } 324 }
325 325
326 if (interrupt & ONENAND_INT_READ) { 326 if (interrupt & ONENAND_INT_READ) {
327 ecc = this->read_word(this->base + ONENAND_REG_ECC_STATUS); 327 int ecc = this->read_word(this->base + ONENAND_REG_ECC_STATUS);
328 if (ecc) { 328 if (ecc) {
329 DEBUG(MTD_DEBUG_LEVEL0, "onenand_wait: ECC error = 0x%04x\n", ecc); 329 DEBUG(MTD_DEBUG_LEVEL0, "onenand_wait: ECC error = 0x%04x\n", ecc);
330 if (ecc & ONENAND_ECC_2BIT_ALL) 330 if (ecc & ONENAND_ECC_2BIT_ALL)
@@ -332,6 +332,7 @@ static int onenand_wait(struct mtd_info *mtd, int state)
332 else if (ecc & ONENAND_ECC_1BIT_ALL) 332 else if (ecc & ONENAND_ECC_1BIT_ALL)
333 mtd->ecc_stats.corrected++; 333 mtd->ecc_stats.corrected++;
334 } 334 }
335 return ecc;
335 } 336 }
336 337
337 return 0; 338 return 0;