diff options
Diffstat (limited to 'drivers/scsi/a3000.c')
| -rw-r--r-- | drivers/scsi/a3000.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c index 23f34411f7bf..dd161885eed1 100644 --- a/drivers/scsi/a3000.c +++ b/drivers/scsi/a3000.c @@ -48,12 +48,13 @@ static irqreturn_t a3000_intr(int irq, void *data) static int dma_setup(struct scsi_cmnd *cmd, int dir_in) { + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(cmd); struct Scsi_Host *instance = cmd->device->host; struct a3000_hostdata *hdata = shost_priv(instance); struct WD33C93_hostdata *wh = &hdata->wh; struct a3000_scsiregs *regs = hdata->regs; unsigned short cntr = CNTR_PDMD | CNTR_INTEN; - unsigned long addr = virt_to_bus(cmd->SCp.ptr); + unsigned long addr = virt_to_bus(scsi_pointer->ptr); /* * if the physical address has the wrong alignment, or if @@ -62,7 +63,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) * buffer */ if (addr & A3000_XFER_MASK) { - wh->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff; + wh->dma_bounce_len = (scsi_pointer->this_residual + 511) & ~0x1ff; wh->dma_bounce_buffer = kmalloc(wh->dma_bounce_len, GFP_KERNEL); @@ -74,8 +75,8 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) if (!dir_in) { /* copy to bounce buffer for a write */ - memcpy(wh->dma_bounce_buffer, cmd->SCp.ptr, - cmd->SCp.this_residual); + memcpy(wh->dma_bounce_buffer, scsi_pointer->ptr, + scsi_pointer->this_residual); } addr = virt_to_bus(wh->dma_bounce_buffer); @@ -95,10 +96,10 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) if (dir_in) { /* invalidate any cache */ - cache_clear(addr, cmd->SCp.this_residual); + cache_clear(addr, scsi_pointer->this_residual); } else { /* push any dirty cache */ - cache_push(addr, cmd->SCp.this_residual); + cache_push(addr, scsi_pointer->this_residual); } /* start DMA */ @@ -113,6 +114,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, int status) { + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(SCpnt); struct a3000_hostdata *hdata = shost_priv(instance); struct WD33C93_hostdata *wh = &hdata->wh; struct a3000_scsiregs *regs = hdata->regs; @@ -153,8 +155,8 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, if (status && wh->dma_bounce_buffer) { if (SCpnt) { if (wh->dma_dir && SCpnt) - memcpy(SCpnt->SCp.ptr, wh->dma_bounce_buffer, - SCpnt->SCp.this_residual); + memcpy(scsi_pointer->ptr, wh->dma_bounce_buffer, + scsi_pointer->this_residual); kfree(wh->dma_bounce_buffer); wh->dma_bounce_buffer = NULL; wh->dma_bounce_len = 0; @@ -179,6 +181,7 @@ static struct scsi_host_template amiga_a3000_scsi_template = { .this_id = 7, .sg_tablesize = SG_ALL, .cmd_per_lun = CMD_PER_LUN, + .cmd_size = sizeof(struct scsi_pointer), }; static int __init amiga_a3000_scsi_probe(struct platform_device *pdev) |