[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>
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 0037cee..e80857b 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -298,7 +298,7 @@
unsigned long timeout;
unsigned int flags = ONENAND_INT_MASTER;
unsigned int interrupt = 0;
- unsigned int ctrl, ecc;
+ unsigned int ctrl;
/* The 20 msec is enough */
timeout = jiffies + msecs_to_jiffies(20);
@@ -324,7 +324,7 @@
}
if (interrupt & ONENAND_INT_READ) {
- ecc = this->read_word(this->base + ONENAND_REG_ECC_STATUS);
+ int ecc = this->read_word(this->base + ONENAND_REG_ECC_STATUS);
if (ecc) {
DEBUG(MTD_DEBUG_LEVEL0, "onenand_wait: ECC error = 0x%04x\n", ecc);
if (ecc & ONENAND_ECC_2BIT_ALL)
@@ -332,6 +332,7 @@
else if (ecc & ONENAND_ECC_1BIT_ALL)
mtd->ecc_stats.corrected++;
}
+ return ecc;
}
return 0;