diff options
Diffstat (limited to 'drivers/spi/spi-qpic-snand.c')
| -rw-r--r-- | drivers/spi/spi-qpic-snand.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/spi/spi-qpic-snand.c b/drivers/spi/spi-qpic-snand.c index 3f747fd61d19..77d9cc65477a 100644 --- a/drivers/spi/spi-qpic-snand.c +++ b/drivers/spi/spi-qpic-snand.c @@ -639,6 +639,20 @@ static int qcom_spi_check_error(struct qcom_nand_controller *snandc) unsigned int stat; stat = buffer & BS_CORRECTABLE_ERR_MSK; + + /* + * The exact number of the corrected bits is + * unknown because the hardware only reports the + * number of the corrected bytes. + * + * Since we have no better solution at the moment, + * report that value as the number of bit errors + * despite that it is inaccurate in most cases. + */ + if (stat && stat != ecc_cfg->strength) + dev_warn_once(snandc->dev, + "Warning: due to hw limitation, the reported number of the corrected bits may be inaccurate\n"); + snandc->qspi->ecc_stats.corrected += stat; max_bitflips = max(max_bitflips, stat); } |