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Commit 2fd32d4a authored by Kyungmin Park's avatar Kyungmin Park Committed by Artem Bityutskiy
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[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: default avatarKyungmin Park <kyungmin.park@samsung.com>
parent 61a7e198

drivers/mtd/onenand/onenand_base.c

+3 −2
Original line number Original line Diff line number Diff line
@@ -298,7 +298,7 @@ static int onenand_wait(struct mtd_info *mtd, int state) 
	unsigned long timeout;

	unsigned long timeout;

	unsigned int flags = ONENAND_INT_MASTER;

	unsigned int flags = ONENAND_INT_MASTER;

	unsigned int interrupt = 0;

	unsigned int interrupt = 0;

	unsigned int ctrl, ecc;

	unsigned int ctrl;





	/* The 20 msec is enough */

	/* The 20 msec is enough */

	timeout = jiffies + msecs_to_jiffies(20);

	timeout = jiffies + msecs_to_jiffies(20);
@@ -324,7 +324,7 @@ static int onenand_wait(struct mtd_info *mtd, int state) 
	}

	}





	if (interrupt & ONENAND_INT_READ) {

	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) {

		if (ecc) {

			DEBUG(MTD_DEBUG_LEVEL0, "onenand_wait: ECC error = 0x%04x\n", ecc);

			DEBUG(MTD_DEBUG_LEVEL0, "onenand_wait: ECC error = 0x%04x\n", ecc);

			if (ecc & ONENAND_ECC_2BIT_ALL)

			if (ecc & ONENAND_ECC_2BIT_ALL)
@@ -332,6 +332,7 @@ static int onenand_wait(struct mtd_info *mtd, int state) 
			else if (ecc & ONENAND_ECC_1BIT_ALL)

			else if (ecc & ONENAND_ECC_1BIT_ALL)

				mtd->ecc_stats.corrected++;

				mtd->ecc_stats.corrected++;

		}

		}

		return ecc;

	}

	}





	return 0;

	return 0;