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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-06-03 08:55:09 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-06-03 08:55:09 (GMT) |
| commit | 338e33acd820fa89b8a2d5b6574233784702f618 (patch) | |
| tree | e1548e5c8b25d7c703c2aca5e82d71cd62ac5a97 /drivers/ata/libata-core.c | |
| parent | d683b96b072dc4680fc74964eca77e6a23d1fa6e (diff) | |
| parent | 52a2a1087b5924de00484f35ef5e2a73f61dbd22 (diff) | |
| download | linux-fsl-qoriq-338e33acd820fa89b8a2d5b6574233784702f618.tar.xz | |
Merge branch 'for-3.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata changes from Tejun Heo:
"Nothing too interesting. PCI ID additions, some sata_rcar fixes and a
fringe bug fix for DMADIR handling which shouldn't affect any device
remotely modern."
* 'for-3.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
sata_rcar: fix interrupt handling
ahci: add an observed PCI ID for Marvell 88se9172 SATA controller
sata_rcar: clear STOP bit in bmdma_start() method
libata: make ata_exec_internal_sg honor DMADIR
ata_piix: add PCI IDs for Intel BayTail
libata: update "Maintained by:" tags
Diffstat (limited to 'drivers/ata/libata-core.c')
| -rw-r--r-- | drivers/ata/libata-core.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 63c743b..f218427 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1,7 +1,7 @@ /* * libata-core.c - helper library for ATA * - * Maintained by: Jeff Garzik <jgarzik@pobox.com> + * Maintained by: Tejun Heo <tj@kernel.org> * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * @@ -1602,6 +1602,12 @@ unsigned ata_exec_internal_sg(struct ata_device *dev, qc->tf = *tf; if (cdb) memcpy(qc->cdb, cdb, ATAPI_CDB_LEN); + + /* some SATA bridges need us to indicate data xfer direction */ + if (tf->protocol == ATAPI_PROT_DMA && (dev->flags & ATA_DFLAG_DMADIR) && + dma_dir == DMA_FROM_DEVICE) + qc->tf.feature |= ATAPI_DMADIR; + qc->flags |= ATA_QCFLAG_RESULT_TF; qc->dma_dir = dma_dir; if (dma_dir != DMA_NONE) { |