OMAP3 DSS: Fixed FIFO buffer register field sizes

[linux-2.6-omap-h63xx.git] / drivers / scsi / a2091.c

diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index b7c5385e2efe2fb8c04d8892d936b46ae5570137..07d572feceed47d0ab56ae92dec83c3ae71564c3 100644 (file)
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -46,8 +46,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
     struct Scsi_Host *instance = cmd->device->host;
 
     /* don't allow DMA if the physical address is bad */
-    if (addr & A2091_XFER_MASK ||
-       (!dir_in && mm_end_of_chunk (addr, cmd->SCp.this_residual)))
+    if (addr & A2091_XFER_MASK)
     {
        HDATA(instance)->dma_bounce_len = (cmd->SCp.this_residual + 511)
            & ~0x1ff;
@@ -73,18 +72,9 @@ 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 +134,13 @@ 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;
     }
 }
 
@@ -206,6 +179,9 @@ int __init a2091_detect(struct scsi_host_template *tpnt)
        DMA(instance)->DAWR = DAWR_A2091;
        regs.SASR = &(DMA(instance)->SASR);
        regs.SCMD = &(DMA(instance)->SCMD);
+       HDATA(instance)->no_sync = 0xff;
+       HDATA(instance)->fast = 0;
+       HDATA(instance)->dma_mode = CTRL_DMA;
        wd33c93_init(instance, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
        request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED, "A2091 SCSI",
                    instance);