---

yaml --- r: 376552 b: refs/heads/master c: e771451 h: refs/heads/master v: v3
git-mirror · May 21, 2013 · fd6989f · fd6989f
1 parent 497954f
commit fd6989f
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fca8c90d519dedd4f4b19901d005c243f7f0bf2e
+refs/heads/master: e771451c0a831d96a7c14b0ca8a8ec671d98567b
diff --git a/trunk/drivers/ata/libata-core.c b/trunk/drivers/ata/libata-core.c
@@ -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) {