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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-02-02 08:41:02 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-02-02 08:41:02 -0800 |
| commit | 178cf7de6f1d3b95407f5a76af249fc924d42576 (patch) | |
| tree | 4b3e5f3ef6dfa7866fb30811acdc60832a055269 /drivers/ata/libata-scsi.c | |
| parent | 89c468263befb4617aaab36ae8c54ba04164c7b0 (diff) | |
| parent | e36f014edff70fc02b3d3d79cead1d58f289332e (diff) | |
| download | kernel_replicant_linux-178cf7de6f1d3b95407f5a76af249fc924d42576.tar.gz kernel_replicant_linux-178cf7de6f1d3b95407f5a76af249fc924d42576.tar.bz2 kernel_replicant_linux-178cf7de6f1d3b95407f5a76af249fc924d42576.zip | |
Merge 3.19-rc7 into staging-next
We want those fixes in here for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 e364e86e84d7..6abd17a85b13 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; } |