aha1542: Remove SCSI_BUF_PA, SCSI_SG_PA, AHA1542_SCATTER and AHA1542_CMDLUN

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>

drivers/scsi/aha1542.c

@@ -46,10 +46,6 @@
 #include "scsi.h"
 #include <scsi/scsi_host.h>
 #include "aha1542.h"
-
-#define SCSI_BUF_PA(address)	isa_virt_to_bus(address)
-#define SCSI_SG_PA(sgent)	(isa_page_to_bus(sg_page((sgent))) + (sgent)->offset)
-
 #include <linux/stat.h>
 
 #ifdef DEBUG
@@ -463,7 +459,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost)
 			return;
 		};
 
-		mbo = (scsi2int(mb[mbi].ccbptr) - (SCSI_BUF_PA(&ccb[0]))) / sizeof(struct ccb);
+		mbo = (scsi2int(mb[mbi].ccbptr) - (isa_virt_to_bus(&ccb[0]))) / sizeof(struct ccb);
 		mbistatus = mb[mbi].status;
 		mb[mbi].status = 0;
 		HOSTDATA(shost)->aha1542_last_mbi_used = mbi;
@@ -622,7 +618,7 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *
 	printk(KERN_DEBUG "Sending command (%d %x)...", mbo, done);
 #endif
 
-	any2scsi(mb[mbo].ccbptr, SCSI_BUF_PA(&ccb[mbo]));	/* This gets trashed for some reason */
+	any2scsi(mb[mbo].ccbptr, isa_virt_to_bus(&ccb[mbo]));	/* This gets trashed for some reason */
 
 	memset(&ccb[mbo], 0, sizeof(struct ccb));
 
@@ -653,11 +649,12 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *
 			return SCSI_MLQUEUE_HOST_BUSY;
 		}
 		scsi_for_each_sg(SCpnt, sg, sg_count, i) {
-			any2scsi(cptr[i].dataptr, SCSI_SG_PA(sg));
+			any2scsi(cptr[i].dataptr, isa_page_to_bus(sg_page(sg))
+								+ sg->offset);
 			any2scsi(cptr[i].datalen, sg->length);
 		};
 		any2scsi(ccb[mbo].datalen, sg_count * sizeof(struct chain));
-		any2scsi(ccb[mbo].dataptr, SCSI_BUF_PA(cptr));
+		any2scsi(ccb[mbo].dataptr, isa_virt_to_bus(cptr));
 #ifdef DEBUG
 		printk("cptr %x: ", cptr);
 		ptr = (unsigned char *) cptr;
@@ -713,10 +710,10 @@ static void setup_mailboxes(int bse, struct Scsi_Host *shpnt)
 
 	for (i = 0; i < AHA1542_MAILBOXES; i++) {
 		mb[i].status = mb[AHA1542_MAILBOXES + i].status = 0;
-		any2scsi(mb[i].ccbptr, SCSI_BUF_PA(&ccb[i]));
+		any2scsi(mb[i].ccbptr, isa_virt_to_bus(&ccb[i]));
 	};
 	aha1542_intr_reset(bse);	/* reset interrupts, so they don't block */
-	any2scsi((cmd + 2), SCSI_BUF_PA(mb));
+	any2scsi((cmd + 2), isa_virt_to_bus(mb));
 	aha1542_out(bse, cmd, 5);
 	WAIT(INTRFLAGS(bse), INTRMASK, HACC, 0);
 	while (0) {
@@ -1139,7 +1136,7 @@ static int aha1542_dev_reset(Scsi_Cmnd * SCpnt)
 	HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used = mbo;
 	spin_unlock_irqrestore(&aha1542_lock, flags);
 
-	any2scsi(mb[mbo].ccbptr, SCSI_BUF_PA(&ccb[mbo]));	/* This gets trashed for some reason */
+	any2scsi(mb[mbo].ccbptr, isa_virt_to_bus(&ccb[mbo]));	/* This gets trashed for some reason */
 
 	memset(&ccb[mbo], 0, sizeof(struct ccb));
 
@@ -1328,8 +1325,8 @@ static struct scsi_host_template driver_template = {
 	.bios_param		= aha1542_biosparam,
 	.can_queue		= AHA1542_MAILBOXES, 
 	.this_id		= 7,
-	.sg_tablesize		= AHA1542_SCATTER,
-	.cmd_per_lun		= AHA1542_CMDLUN,
+	.sg_tablesize		= 16,
+	.cmd_per_lun		= 1,
 	.unchecked_isa_dma	= 1, 
 	.use_clustering		= ENABLE_CLUSTERING,
 };

drivers/scsi/aha1542.h

@@ -138,7 +138,5 @@ static int aha1542_biosparam(struct scsi_device *, struct block_device *,
 		sector_t, int *);
 
 #define AHA1542_MAILBOXES 8
-#define AHA1542_SCATTER 16
-#define AHA1542_CMDLUN 1
 
 #endif