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authorBoaz Harrosh <bharrosh@panasas.com>2007-09-09 20:57:05 +0300
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-11 18:22:35 -0600
commitf2c1afa5ebc6cd3171539e686b48a2afe24694c0 (patch)
treeaf33697c4a09bddf98b52544d8a49f0fede31b64 /drivers
parent7410d849a47047f1299a505dd5fde68d0ed45eaa (diff)
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[SCSI] a2091: convert to accessors and !use_sg cleanup
- convert to accessors and !use_sg cleanup Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/a2091.c36
1 files changed, 5 insertions, 31 deletions
diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index b7c5385..23f27c9 100644
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -73,18 +73,9 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
}
if (!dir_in) {
- /* copy to bounce buffer for a write */
- if (cmd->use_sg)
-#if 0
- panic ("scsi%ddma: incomplete s/g support",
- instance->host_no);
-#else
+ /* copy to bounce buffer for a write */
memcpy (HDATA(instance)->dma_bounce_buffer,
cmd->SCp.ptr, cmd->SCp.this_residual);
-#endif
- else
- memcpy (HDATA(instance)->dma_bounce_buffer,
- cmd->request_buffer, cmd->request_bufflen);
}
}
@@ -144,30 +135,13 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
/* copy from a bounce buffer, if necessary */
if (status && HDATA(instance)->dma_bounce_buffer) {
- if (SCpnt && SCpnt->use_sg) {
-#if 0
- panic ("scsi%d: incomplete s/g support",
- instance->host_no);
-#else
- if( HDATA(instance)->dma_dir )
+ if( HDATA(instance)->dma_dir )
memcpy (SCpnt->SCp.ptr,
HDATA(instance)->dma_bounce_buffer,
SCpnt->SCp.this_residual);
- kfree (HDATA(instance)->dma_bounce_buffer);
- HDATA(instance)->dma_bounce_buffer = NULL;
- HDATA(instance)->dma_bounce_len = 0;
-
-#endif
- } else {
- if (HDATA(instance)->dma_dir && SCpnt)
- memcpy (SCpnt->request_buffer,
- HDATA(instance)->dma_bounce_buffer,
- SCpnt->request_bufflen);
-
- kfree (HDATA(instance)->dma_bounce_buffer);
- HDATA(instance)->dma_bounce_buffer = NULL;
- HDATA(instance)->dma_bounce_len = 0;
- }
+ kfree (HDATA(instance)->dma_bounce_buffer);
+ HDATA(instance)->dma_bounce_buffer = NULL;
+ HDATA(instance)->dma_bounce_len = 0;
}
}