1 files changed, 0 insertions, 38 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 70454b4e848..1f5a07bf2a7 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2290,41 +2290,3 @@ void scsi_kunmap_atomic_sg(void *virt)
 	kunmap_atomic(virt, KM_BIO_SRC_IRQ);
 }
 EXPORT_SYMBOL(scsi_kunmap_atomic_sg);
-
-/**
- * scsi_dma_map - perform DMA mapping against command's sg lists
- * @cmd:	scsi command
- *
- * Returns the number of sg lists actually used, zero if the sg lists
- * is NULL, or -ENOMEM if the mapping failed.
- */
-int scsi_dma_map(struct scsi_cmnd *cmd)
-{
-	int nseg = 0;
-
-	if (scsi_sg_count(cmd)) {
-		struct device *dev = cmd->device->host->shost_gendev.parent;
-
-		nseg = dma_map_sg(dev, scsi_sglist(cmd), scsi_sg_count(cmd),
-				  cmd->sc_data_direction);
-		if (unlikely(!nseg))
-			return -ENOMEM;
-	}
-	return nseg;
-}
-EXPORT_SYMBOL(scsi_dma_map);
-
-/**
- * scsi_dma_unmap - unmap command's sg lists mapped by scsi_dma_map
- * @cmd:	scsi command
- */
-void scsi_dma_unmap(struct scsi_cmnd *cmd)
-{
-	if (scsi_sg_count(cmd)) {
-		struct device *dev = cmd->device->host->shost_gendev.parent;
-
-		dma_unmap_sg(dev, scsi_sglist(cmd), scsi_sg_count(cmd),
-			     cmd->sc_data_direction);
-	}
-}
-EXPORT_SYMBOL(scsi_dma_unmap);