diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-20 11:54:53 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-20 11:54:53 -0800 |
| commit | 4c971aa78314253cce914ed29e3d90df3326d646 (patch) | |
| tree | a9dcf0b1fdc9e1aacff90afb5b3ab79983115dcc /drivers/ata/libata-scsi.c | |
| parent | 4ba24fef3eb3b142197135223b90ced2f319cd53 (diff) | |
| parent | 290b799c390d77d27effee3ce312203aaa32ee74 (diff) | |
Merge branch 'next' into for-linus
Second round of updates for 3.20.
Diffstat (limited to 'drivers/ata/libata-scsi.c')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index e364e86e84d..6abd17a85b1 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2532,13 +2532,15 @@ static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf) rbuf[15] = lowest_aligned; if (ata_id_has_trim(args->id)) { - rbuf[14] |= 0x80; /* TPE */ + rbuf[14] |= 0x80; /* LBPME */ - if (ata_id_has_zero_after_trim(args->id)) - rbuf[14] |= 0x40; /* TPRZ */ + if (ata_id_has_zero_after_trim(args->id) && + dev->horkage & ATA_HORKAGE_ZERO_AFTER_TRIM) { + ata_dev_info(dev, "Enabling discard_zeroes_data\n"); + rbuf[14] |= 0x40; /* LBPRZ */ + } } } - return 0; } |