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| author | Marc Carino <marc.ceeeee@gmail.com> | 2013-08-25 08:22:49 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-08-25 15:39:12 +0200 |
| commit | 40fb59e75ad197a1c4ca2fbccef85432d8d103f8 (patch) | |
| tree | 7f354bbaea70614e29b06a6616e486f27bc7e19c /drivers/ata/ahci.c | |
| parent | libata: Populate host-to-device FIS "auxiliary" field (diff) | |
| download | linux-40fb59e75ad197a1c4ca2fbccef85432d8d103f8.tar.xz linux-40fb59e75ad197a1c4ca2fbccef85432d8d103f8.zip | |
libata: Add H2D FIS "auxiliary" port flag
Add a new port flag, ATA_FLAG_FPDMA_AUX, used to indicate
support for transmission of the H2D FIS 'auxiliary' field.
Signed-off-by: Marc Carino <marc.ceeeee@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata/ahci.c')
| -rw-r--r-- | drivers/ata/ahci.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 5064f3ea20f1..8d41c57fd969 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1288,6 +1288,14 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) */ if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA)) pi.flags |= ATA_FLAG_FPDMA_AA; + + /* + * All AHCI controllers should be forward-compatible + * with the new auxiliary field. This code should be + * conditionalized if any buggy AHCI controllers are + * encountered. + */ + pi.flags |= ATA_FLAG_FPDMA_AUX; } if (hpriv->cap & HOST_CAP_PMP) |