@@ -1382,12 +1382,12 @@ bool is_erased(uint8_t *buf, int len)
#define ECC_SECTOR(x) (((x) & ECC_ERROR_ADDRESS__SECTOR_NR) >> 12)
#define ECC_BYTE(x) (((x) & ECC_ERROR_ADDRESS__OFFSET))
#define ECC_CORRECTION_VALUE(x) ((x) & ERR_CORRECTION_INFO__BYTEMASK)
-#define ECC_ERROR_CORRECTABLE(x) (!((x) & ERR_CORRECTION_INFO))
-#define ECC_ERR_DEVICE(x) ((x) & ERR_CORRECTION_INFO__DEVICE_NR >> 8)
+#define ECC_ERROR_CORRECTABLE(x) (!((x) & ERR_CORRECTION_INFO__ERROR_TYPE))
+#define ECC_ERR_DEVICE(x) (((x) & ERR_CORRECTION_INFO__DEVICE_NR) >> 8)
#define ECC_LAST_ERR(x) ((x) & ERR_CORRECTION_INFO__LAST_ERR_INFO)
static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf,
- uint8_t *oobbuf, uint32_t irq_status)
+ uint32_t irq_status)
{
bool check_erased_page = false;
@@ -1412,13 +1412,19 @@ static bool handle_ecc(struct denali_nand_info *denali, uint8_t *buf,
if (ECC_ERROR_CORRECTABLE(err_correction_info)) {
/* offset in our buffer is computed as:
- sector number * sector size + offset in
- sector
- */
- int offset = (err_sector * ECC_SECTOR_SIZE +
- err_byte) * denali->devnum +
- err_device;
- if (offset < denali->mtd.writesize) {
+ * sector number * sector size + offset in
+ * sector + err_device
+ * If err_byte is larger than ECC_SECTOR_SIZE,
+ * means error happend in OOB, so we ignore
+ * it. It's no need for us to correct it
+ * */
+ if (err_byte < ECC_SECTOR_SIZE) {
+ int offset;
+ offset = (err_sector *
+ ECC_SECTOR_SIZE +
+ err_byte) *
+ denali->devnum +
+ err_device;
/* correct the ECC error */
buf[offset] ^= err_correction_value;
denali->mtd.ecc_stats.corrected++;
@@ -1604,7 +1610,7 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
memcpy(buf, denali->buf.buf, mtd->writesize);
- check_erased_page = handle_ecc(denali, buf, chip->oob_poi, irq_status);
+ check_erased_page = handle_ecc(denali, buf, irq_status);
denali_enable_dma(denali, false);
if (check_erased_page) {