diff options
Diffstat (limited to 'drivers/scsi/gvp11.c')
| -rw-r--r-- | drivers/scsi/gvp11.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c index 43754c2f36b3..2f6c56aabe1d 100644 --- a/drivers/scsi/gvp11.c +++ b/drivers/scsi/gvp11.c @@ -53,18 +53,19 @@ void gvp11_setup(char *str, int *ints) 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 gvp11_hostdata *hdata = shost_priv(instance); struct WD33C93_hostdata *wh = &hdata->wh; struct gvp11_scsiregs *regs = hdata->regs; unsigned short cntr = GVP11_DMAC_INT_ENABLE; - unsigned long addr = virt_to_bus(cmd->SCp.ptr); + unsigned long addr = virt_to_bus(scsi_pointer->ptr); int bank_mask; static int scsi_alloc_out_of_range = 0; /* use bounce buffer if the physical address is bad */ if (addr & wh->dma_xfer_mask) { - wh->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff; + wh->dma_bounce_len = (scsi_pointer->this_residual + 511) & ~0x1ff; if (!scsi_alloc_out_of_range) { wh->dma_bounce_buffer = @@ -113,8 +114,8 @@ 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); } } @@ -130,10 +131,10 @@ 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); } bank_mask = (~wh->dma_xfer_mask >> 18) & 0x01c0; @@ -150,6 +151,7 @@ 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 gvp11_hostdata *hdata = shost_priv(instance); struct WD33C93_hostdata *wh = &hdata->wh; struct gvp11_scsiregs *regs = hdata->regs; @@ -162,8 +164,8 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, /* copy from a bounce buffer, if necessary */ if (status && wh->dma_bounce_buffer) { 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); if (wh->dma_buffer_pool == BUF_SCSI_ALLOCED) kfree(wh->dma_bounce_buffer); @@ -189,6 +191,7 @@ static struct scsi_host_template gvp11_scsi_template = { .sg_tablesize = SG_ALL, .cmd_per_lun = CMD_PER_LUN, .dma_boundary = PAGE_SIZE - 1, + .cmd_size = sizeof(struct scsi_pointer), }; static int check_wd33c93(struct gvp11_scsiregs *regs) |