1 files changed, 46 insertions, 47 deletions

diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index bd5d90328ee0..18b7102bb80e 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -23,7 +23,6 @@
 
 
 #define DMA(ptr)        ((gvp11_scsiregs *)((ptr)->base))
-#define HDATA(ptr)      ((struct WD33C93_hostdata *)((ptr)->hostdata))
 
 static irqreturn_t gvp11_intr(int irq, void *_instance)
 {
@@ -50,70 +49,66 @@ void gvp11_setup(char *str, int *ints)
 
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
+        struct Scsi_Host *instance = cmd->device->host;
+        struct WD33C93_hostdata *hdata = shost_priv(instance);
         unsigned short cntr = GVP11_DMAC_INT_ENABLE;
         unsigned long addr = virt_to_bus(cmd->SCp.ptr);
         int bank_mask;
         static int scsi_alloc_out_of_range = 0;
 
         /* use bounce buffer if the physical address is bad */
-        if (addr & HDATA(cmd->device->host)->dma_xfer_mask) {
-                HDATA(cmd->device->host)->dma_bounce_len =
-                        (cmd->SCp.this_residual + 511) & ~0x1ff;
+        if (addr & hdata->dma_xfer_mask) {
+                hdata->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff;
 
                 if (!scsi_alloc_out_of_range) {
-                        HDATA(cmd->device->host)->dma_bounce_buffer =
-                                kmalloc(HDATA(cmd->device->host)->dma_bounce_len,
-                                        GFP_KERNEL);
-                        HDATA(cmd->device->host)->dma_buffer_pool =
-                                BUF_SCSI_ALLOCED;
+                        hdata->dma_bounce_buffer =
+                                kmalloc(hdata->dma_bounce_len, GFP_KERNEL);
+                        hdata->dma_buffer_pool = BUF_SCSI_ALLOCED;
                 }
 
                 if (scsi_alloc_out_of_range ||
-                    !HDATA(cmd->device->host)->dma_bounce_buffer) {
-                        HDATA(cmd->device->host)->dma_bounce_buffer =
-                                amiga_chip_alloc(HDATA(cmd->device->host)->dma_bounce_len,
+                    !hdata->dma_bounce_buffer) {
+                        hdata->dma_bounce_buffer =
+                                amiga_chip_alloc(hdata->dma_bounce_len,
                                                  "GVP II SCSI Bounce Buffer");
 
-                        if (!HDATA(cmd->device->host)->dma_bounce_buffer) {
-                                HDATA(cmd->device->host)->dma_bounce_len = 0;
+                        if (!hdata->dma_bounce_buffer) {
+                                hdata->dma_bounce_len = 0;
                                 return 1;
                         }
 
-                        HDATA(cmd->device->host)->dma_buffer_pool =
-                                BUF_CHIP_ALLOCED;
+                        hdata->dma_buffer_pool = BUF_CHIP_ALLOCED;
                 }
 
                 /* check if the address of the bounce buffer is OK */
-                addr = virt_to_bus(HDATA(cmd->device->host)->dma_bounce_buffer);
+                addr = virt_to_bus(hdata->dma_bounce_buffer);
 
-                if (addr & HDATA(cmd->device->host)->dma_xfer_mask) {
+                if (addr & hdata->dma_xfer_mask) {
                         /* fall back to Chip RAM if address out of range */
-                        if (HDATA(cmd->device->host)->dma_buffer_pool ==
-                            BUF_SCSI_ALLOCED) {
-                                kfree(HDATA(cmd->device->host)->dma_bounce_buffer);
+                        if (hdata->dma_buffer_pool == BUF_SCSI_ALLOCED) {
+                                kfree(hdata->dma_bounce_buffer);
                                 scsi_alloc_out_of_range = 1;
                         } else {
-                                amiga_chip_free(HDATA(cmd->device->host)->dma_bounce_buffer);
+                                amiga_chip_free(hdata->dma_bounce_buffer);
                         }
 
-                        HDATA(cmd->device->host)->dma_bounce_buffer =
-                                amiga_chip_alloc(HDATA(cmd->device->host)->dma_bounce_len,
+                        hdata->dma_bounce_buffer =
+                                amiga_chip_alloc(hdata->dma_bounce_len,
                                                  "GVP II SCSI Bounce Buffer");
 
-                        if (!HDATA(cmd->device->host)->dma_bounce_buffer) {
-                                HDATA(cmd->device->host)->dma_bounce_len = 0;
+                        if (!hdata->dma_bounce_buffer) {
+                                hdata->dma_bounce_len = 0;
                                 return 1;
                         }
 
-                        addr = virt_to_bus(HDATA(cmd->device->host)->dma_bounce_buffer);
-                        HDATA(cmd->device->host)->dma_buffer_pool =
-                                BUF_CHIP_ALLOCED;
+                        addr = virt_to_bus(hdata->dma_bounce_buffer);
+                        hdata->dma_buffer_pool = BUF_CHIP_ALLOCED;
                 }
 
                 if (!dir_in) {
                         /* copy to bounce buffer for a write */
-                        memcpy(HDATA(cmd->device->host)->dma_bounce_buffer,
-                               cmd->SCp.ptr, cmd->SCp.this_residual);
+                        memcpy(hdata->dma_bounce_buffer, cmd->SCp.ptr,
+                               cmd->SCp.this_residual);
                 }
         }
 
@@ -121,7 +116,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
         if (!dir_in)
                 cntr |= GVP11_DMAC_DIR_WRITE;
 
-        HDATA(cmd->device->host)->dma_dir = dir_in;
+        hdata->dma_dir = dir_in;
         DMA(cmd->device->host)->CNTR = cntr;
 
         /* setup DMA *physical* address */
@@ -135,7 +130,8 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
                 cache_push(addr, cmd->SCp.this_residual);
         }
 
-        if ((bank_mask = (~HDATA(cmd->device->host)->dma_xfer_mask >> 18) & 0x01c0))
+        bank_mask = (~hdata->dma_xfer_mask >> 18) & 0x01c0;
+        if (bank_mask)
                 DMA(cmd->device->host)->BANK = bank_mask & (addr >> 18);
 
         /* start DMA */
@@ -148,25 +144,26 @@ 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 WD33C93_hostdata *hdata = shost_priv(instance);
+
         /* stop DMA */
         DMA(instance)->SP_DMA = 1;
         /* remove write bit from CONTROL bits */
         DMA(instance)->CNTR = GVP11_DMAC_INT_ENABLE;
 
         /* copy from a bounce buffer, if necessary */
-        if (status && HDATA(instance)->dma_bounce_buffer) {
-                if (HDATA(instance)->dma_dir && SCpnt)
-                        memcpy(SCpnt->SCp.ptr,
-                               HDATA(instance)->dma_bounce_buffer,
+        if (status && hdata->dma_bounce_buffer) {
+                if (hdata->dma_dir && SCpnt)
+                        memcpy(SCpnt->SCp.ptr, hdata->dma_bounce_buffer,
                                SCpnt->SCp.this_residual);
 
-                if (HDATA(instance)->dma_buffer_pool == BUF_SCSI_ALLOCED)
-                        kfree(HDATA(instance)->dma_bounce_buffer);
+                if (hdata->dma_buffer_pool == BUF_SCSI_ALLOCED)
+                        kfree(hdata->dma_bounce_buffer);
                 else
-                        amiga_chip_free(HDATA(instance)->dma_bounce_buffer);
+                        amiga_chip_free(hdata->dma_bounce_buffer);
 
-                HDATA(instance)->dma_bounce_buffer = NULL;
-                HDATA(instance)->dma_bounce_len = 0;
+                hdata->dma_bounce_buffer = NULL;
+                hdata->dma_bounce_len = 0;
         }
 }
 
@@ -180,6 +177,7 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
         unsigned int epc;
         struct zorro_dev *z = NULL;
         unsigned int default_dma_xfer_mask;
+        struct WD33C93_hostdata *hdata;
         wd33c93_regs regs;
         int num_gvp11 = 0;
 #ifdef CHECK_WD33C93
@@ -306,10 +304,11 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
                 instance->irq = IRQ_AMIGA_PORTS;
                 instance->unique_id = z->slotaddr;
 
+                hdata = shost_priv(instance);
                 if (gvp11_xfer_mask)
-                        HDATA(instance)->dma_xfer_mask = gvp11_xfer_mask;
+                        hdata->dma_xfer_mask = gvp11_xfer_mask;
                 else
-                        HDATA(instance)->dma_xfer_mask = default_dma_xfer_mask;
+                        hdata->dma_xfer_mask = default_dma_xfer_mask;
 
                 DMA(instance)->secret2 = 1;
                 DMA(instance)->secret1 = 0;
@@ -327,9 +326,9 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
                  */
                 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;
+                hdata->no_sync = 0xff;
+                hdata->fast = 0;
+                hdata->dma_mode = CTRL_DMA;
                 wd33c93_init(instance, regs, dma_setup, dma_stop,
                              (epc & GVP_SCSICLKMASK) ? WD33C93_FS_8_10
                                                      : WD33C93_FS_12_15);