[SCSI] qlogicpti: 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>

1 files changed, 7 insertions, 22 deletions

diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 7a2e7986b03..5bc883182b9 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -871,11 +871,12 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd,
         struct scatterlist *sg, *s;
         int i, n;
 
-        if (Cmnd->use_sg) {
+        if (scsi_bufflen(Cmnd)) {
                 int sg_count;
 
-                sg = (struct scatterlist *) Cmnd->request_buffer;
-                sg_count = sbus_map_sg(qpti->sdev, sg, Cmnd->use_sg, Cmnd->sc_data_direction);
+                sg = scsi_sglist(Cmnd);
+                sg_count = sbus_map_sg(qpti->sdev, sg, scsi_sg_count(Cmnd),
+                                                      Cmnd->sc_data_direction);
 
                 ds = cmd->dataseg;
                 cmd->segment_cnt = sg_count;
@@ -914,16 +915,6 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd,
                         }
                         sg_count -= n;
                 }
-        } else if (Cmnd->request_bufflen) {
-                Cmnd->SCp.ptr = (char *)(unsigned long)
-                        sbus_map_single(qpti->sdev,
-                                        Cmnd->request_buffer,
-                                        Cmnd->request_bufflen,
-                                        Cmnd->sc_data_direction);
-
-                cmd->dataseg[0].d_base = (u32) ((unsigned long)Cmnd->SCp.ptr);
-                cmd->dataseg[0].d_count = Cmnd->request_bufflen;
-                cmd->segment_cnt = 1;
         } else {
                 cmd->dataseg[0].d_base = 0;
                 cmd->dataseg[0].d_count = 0;
@@ -1159,17 +1150,11 @@ static struct scsi_cmnd *qlogicpti_intr_handler(struct qlogicpti *qpti)
                 else
                         Cmnd->result = DID_ERROR << 16;
 
-                if (Cmnd->use_sg) {
+                if (scsi_bufflen(Cmnd))
                         sbus_unmap_sg(qpti->sdev,
-                                      (struct scatterlist *)Cmnd->request_buffer,
-                                      Cmnd->use_sg,
+                                      scsi_sglist(Cmnd), scsi_sg_count(Cmnd),
                                       Cmnd->sc_data_direction);
-                } else if (Cmnd->request_bufflen) {
-                        sbus_unmap_single(qpti->sdev,
-                                          (__u32)((unsigned long)Cmnd->SCp.ptr),
-                                          Cmnd->request_bufflen,
-                                          Cmnd->sc_data_direction);
-                }
+
                 qpti->cmd_count[Cmnd->device->id]--;
                 sbus_writew(out_ptr, qpti->qregs + MBOX5);
                 Cmnd->host_scribble = (unsigned char *) done_queue;