diff options
| -rw-r--r-- | drivers/ata/libata-sff.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 0a8567c48d9..0b299b0f817 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -1358,6 +1358,16 @@ fsm_start: qc->err_mask |= AC_ERR_HSM; } + /* There are oddball controllers with + * status register stuck at 0x7f and + * lbal/m/h at zero which makes it + * pass all other presence detection + * mechanisms we have. Set NODEV_HINT + * for it. Kernel bz#7241. + */ + if (status == 0x7f) + qc->err_mask |= AC_ERR_NODEV_HINT; + /* ata_pio_sectors() might change the * state to HSM_ST_LAST. so, the state * is changed after ata_pio_sectors(). |