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path: root/drivers/scsi/ibmvscsi/ibmvscsi.c
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Diffstat (limited to 'drivers/scsi/ibmvscsi/ibmvscsi.c')
-rw-r--r--drivers/scsi/ibmvscsi/ibmvscsi.c29
1 files changed, 2 insertions, 27 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index ff5ec5ac1fb5..88bad0e81bdd 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -323,16 +323,6 @@ static void set_srp_direction(struct scsi_cmnd *cmd,
323 srp_cmd->buf_fmt = fmt; 323 srp_cmd->buf_fmt = fmt;
324} 324}
325 325
326static void unmap_sg_list(int num_entries,
327 struct device *dev,
328 struct srp_direct_buf *md)
329{
330 int i;
331
332 for (i = 0; i < num_entries; ++i)
333 dma_unmap_single(dev, md[i].va, md[i].len, DMA_BIDIRECTIONAL);
334}
335
336/** 326/**
337 * unmap_cmd_data: - Unmap data pointed in srp_cmd based on the format 327 * unmap_cmd_data: - Unmap data pointed in srp_cmd based on the format
338 * @cmd: srp_cmd whose additional_data member will be unmapped 328 * @cmd: srp_cmd whose additional_data member will be unmapped
@@ -350,24 +340,9 @@ static void unmap_cmd_data(struct srp_cmd *cmd,
350 340
351 if (out_fmt == SRP_NO_DATA_DESC && in_fmt == SRP_NO_DATA_DESC) 341 if (out_fmt == SRP_NO_DATA_DESC && in_fmt == SRP_NO_DATA_DESC)
352 return; 342 return;
353 else if (out_fmt == SRP_DATA_DESC_DIRECT ||
354 in_fmt == SRP_DATA_DESC_DIRECT) {
355 struct srp_direct_buf *data =
356 (struct srp_direct_buf *) cmd->add_data;
357 dma_unmap_single(dev, data->va, data->len, DMA_BIDIRECTIONAL);
358 } else {
359 struct srp_indirect_buf *indirect =
360 (struct srp_indirect_buf *) cmd->add_data;
361 int num_mapped = indirect->table_desc.len /
362 sizeof(struct srp_direct_buf);
363 343
364 if (num_mapped <= MAX_INDIRECT_BUFS) { 344 if (evt_struct->cmnd)
365 unmap_sg_list(num_mapped, dev, &indirect->desc_list[0]); 345 scsi_dma_unmap(evt_struct->cmnd);
366 return;
367 }
368
369 unmap_sg_list(num_mapped, dev, evt_struct->ext_list);
370 }
371} 346}
372 347
373static int map_sg_list(struct scsi_cmnd *cmd, int nseg, 348static int map_sg_list(struct scsi_cmnd *cmd, int nseg,