aha1524: Use struct scsi_cmnd

Use struct scsi_cmnd instead of Scsi_Cmnd and also rename the variables
to get rid of SC prefix

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c
index dbe4659..dcc493d 100644
--- a/drivers/scsi/aha1542.c
+++ b/drivers/scsi/aha1542.c
@@ -86,7 +86,7 @@
 	int bios_translation;	/* Mapping bios uses - for compatibility */
 	int aha1542_last_mbi_used;
 	int aha1542_last_mbo_used;
-	Scsi_Cmnd *SCint[AHA1542_MAILBOXES];
+	struct scsi_cmnd *int_cmds[AHA1542_MAILBOXES];
 	struct mailbox mb[2 * AHA1542_MAILBOXES];
 	struct ccb ccb[AHA1542_MAILBOXES];
 };
@@ -296,11 +296,11 @@
 static void aha1542_intr_handle(struct Scsi_Host *shost)
 {
 	struct aha1542_hostdata *aha1542 = shost_priv(shost);
-	void (*my_done) (Scsi_Cmnd *) = NULL;
+	void (*my_done)(struct scsi_cmnd *) = NULL;
 	int errstatus, mbi, mbo, mbistatus;
 	int number_serviced;
 	unsigned long flags;
-	Scsi_Cmnd *SCtmp;
+	struct scsi_cmnd *tmp_cmd;
 	int flag;
 	struct mailbox *mb = aha1542->mb;
 	struct ccb *ccb = aha1542->ccb;
@@ -383,22 +383,22 @@
 		printk(KERN_DEBUG "...done %d %d\n", mbo, mbi);
 #endif
 
-		SCtmp = aha1542->SCint[mbo];
+		tmp_cmd = aha1542->int_cmds[mbo];
 
-		if (!SCtmp || !SCtmp->scsi_done) {
+		if (!tmp_cmd || !tmp_cmd->scsi_done) {
 			printk(KERN_WARNING "aha1542_intr_handle: Unexpected interrupt\n");
 			printk(KERN_WARNING "tarstat=%x, hastat=%x idlun=%x ccb#=%d \n", ccb[mbo].tarstat,
 			       ccb[mbo].hastat, ccb[mbo].idlun, mbo);
 			return;
 		}
-		my_done = SCtmp->scsi_done;
-		kfree(SCtmp->host_scribble);
-		SCtmp->host_scribble = NULL;
+		my_done = tmp_cmd->scsi_done;
+		kfree(tmp_cmd->host_scribble);
+		tmp_cmd->host_scribble = NULL;
 		/* Fetch the sense data, and tuck it away, in the required slot.  The
 		   Adaptec automatically fetches it, and there is no guarantee that
 		   we will still have it in the cdb when we come back */
 		if (ccb[mbo].tarstat == 2)
-			memcpy(SCtmp->sense_buffer, &ccb[mbo].cdb[ccb[mbo].cdblen],
+			memcpy(tmp_cmd->sense_buffer, &ccb[mbo].cdb[ccb[mbo].cdblen],
 			       SCSI_SENSE_BUFFERSIZE);
 
 
@@ -435,10 +435,10 @@
 			 */
 		}
 		DEB(if (errstatus) printk("aha1542_intr_handle: returning %6x\n", errstatus));
-		SCtmp->result = errstatus;
-		aha1542->SCint[mbo] = NULL;	/* This effectively frees up the mailbox slot, as
+		tmp_cmd->result = errstatus;
+		aha1542->int_cmds[mbo] = NULL;	/* This effectively frees up the mailbox slot, as
 						   far as queuecommand is concerned */
-		my_done(SCtmp);
+		my_done(tmp_cmd);
 		number_serviced++;
 	};
 }
@@ -455,14 +455,14 @@
 	return IRQ_HANDLED;
 }
 
-static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *))
+static int aha1542_queuecommand_lck(struct scsi_cmnd *cmd, void (*done) (struct scsi_cmnd *))
 {
-	struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);
+	struct aha1542_hostdata *aha1542 = shost_priv(cmd->device->host);
 	u8 direction;
-	u8 target = SCpnt->device->id;
-	u8 lun = SCpnt->device->lun;
+	u8 target = cmd->device->id;
+	u8 lun = cmd->device->lun;
 	unsigned long flags;
-	int bufflen = scsi_bufflen(SCpnt);
+	int bufflen = scsi_bufflen(cmd);
 	int mbo;
 	struct mailbox *mb = aha1542->mb;
 	struct ccb *ccb = aha1542->ccb;
@@ -470,33 +470,33 @@
 	DEB(int i);
 
 	DEB(if (target > 1) {
-	    SCpnt->result = DID_TIME_OUT << 16;
-	    done(SCpnt); return 0;
+	    cmd->result = DID_TIME_OUT << 16;
+	    done(cmd); return 0;
 	    }
 	);
 
-	if (*SCpnt->cmnd == REQUEST_SENSE) {
+	if (*cmd->cmnd == REQUEST_SENSE) {
 		/* Don't do the command - we have the sense data already */
-		SCpnt->result = 0;
-		done(SCpnt);
+		cmd->result = 0;
+		done(cmd);
 		return 0;
 	}
 #ifdef DEBUG
-	if (*SCpnt->cmnd == READ_10 || *SCpnt->cmnd == WRITE_10)
-		i = xscsi2int(SCpnt->cmnd + 2);
-	else if (*SCpnt->cmnd == READ_6 || *SCpnt->cmnd == WRITE_6)
-		i = scsi2int(SCpnt->cmnd + 2);
+	if (*cmd->cmnd == READ_10 || *cmd->cmnd == WRITE_10)
+		i = xscsi2int(cmd->cmnd + 2);
+	else if (*cmd->cmnd == READ_6 || *cmd->cmnd == WRITE_6)
+		i = scsi2int(cmd->cmnd + 2);
 	else
 		i = -1;
 	if (done)
-		printk(KERN_DEBUG "aha1542_queuecommand: dev %d cmd %02x pos %d len %d ", target, *SCpnt->cmnd, i, bufflen);
+		printk(KERN_DEBUG "aha1542_queuecommand: dev %d cmd %02x pos %d len %d ", target, *cmd->cmnd, i, bufflen);
 	else
-		printk(KERN_DEBUG "aha1542_command: dev %d cmd %02x pos %d len %d ", target, *SCpnt->cmnd, i, bufflen);
+		printk(KERN_DEBUG "aha1542_command: dev %d cmd %02x pos %d len %d ", target, *cmd->cmnd, i, bufflen);
 	printk(KERN_DEBUG "aha1542_queuecommand: dumping scsi cmd:");
-	for (i = 0; i < SCpnt->cmd_len; i++)
-		printk("%02x ", SCpnt->cmnd[i]);
+	for (i = 0; i < cmd->cmd_len; i++)
+		printk("%02x ", cmd->cmnd[i]);
 	printk("\n");
-	if (*SCpnt->cmnd == WRITE_10 || *SCpnt->cmnd == WRITE_6)
+	if (*cmd->cmnd == WRITE_10 || *cmd->cmnd == WRITE_6)
 		return 0;	/* we are still testing, so *don't* write */
 #endif
 	/* Use the outgoing mailboxes in a round-robin fashion, because this
@@ -508,17 +508,17 @@
 		mbo = 0;
 
 	do {
-		if (mb[mbo].status == 0 && aha1542->SCint[mbo] == NULL)
+		if (mb[mbo].status == 0 && aha1542->int_cmds[mbo] == NULL)
 			break;
 		mbo++;
 		if (mbo >= AHA1542_MAILBOXES)
 			mbo = 0;
 	} while (mbo != aha1542->aha1542_last_mbo_used);
 
-	if (mb[mbo].status || aha1542->SCint[mbo])
+	if (mb[mbo].status || aha1542->int_cmds[mbo])
 		panic("Unable to find empty mailbox for aha1542.\n");
 
-	aha1542->SCint[mbo] = SCpnt;	/* This will effectively prevent someone else from
+	aha1542->int_cmds[mbo] = cmd;	/* This will effectively prevent someone else from
 					   screwing with this cdb. */
 
 	aha1542->aha1542_last_mbo_used = mbo;
@@ -532,15 +532,15 @@
 
 	memset(&ccb[mbo], 0, sizeof(struct ccb));
 
-	ccb[mbo].cdblen = SCpnt->cmd_len;
+	ccb[mbo].cdblen = cmd->cmd_len;
 
 	direction = 0;
-	if (*SCpnt->cmnd == READ_10 || *SCpnt->cmnd == READ_6)
+	if (*cmd->cmnd == READ_10 || *cmd->cmnd == READ_6)
 		direction = 8;
-	else if (*SCpnt->cmnd == WRITE_10 || *SCpnt->cmnd == WRITE_6)
+	else if (*cmd->cmnd == WRITE_10 || *cmd->cmnd == WRITE_6)
 		direction = 16;
 
-	memcpy(ccb[mbo].cdb, SCpnt->cmnd, ccb[mbo].cdblen);
+	memcpy(ccb[mbo].cdb, cmd->cmnd, ccb[mbo].cdblen);
 
 	if (bufflen) {
 		struct scatterlist *sg;
@@ -548,17 +548,17 @@
 #ifdef DEBUG
 		unsigned char *ptr;
 #endif
-		int i, sg_count = scsi_sg_count(SCpnt);
+		int i, sg_count = scsi_sg_count(cmd);
 		ccb[mbo].op = 2;	/* SCSI Initiator Command  w/scatter-gather */
-		SCpnt->host_scribble = kmalloc(sizeof(*cptr)*sg_count,
+		cmd->host_scribble = kmalloc(sizeof(*cptr)*sg_count,
 		                                         GFP_KERNEL | GFP_DMA);
-		cptr = (struct chain *) SCpnt->host_scribble;
+		cptr = (struct chain *) cmd->host_scribble;
 		if (cptr == NULL) {
 			/* free the claimed mailbox slot */
-			aha1542->SCint[mbo] = NULL;
+			aha1542->int_cmds[mbo] = NULL;
 			return SCSI_MLQUEUE_HOST_BUSY;
 		}
-		scsi_for_each_sg(SCpnt, sg, sg_count, i) {
+		scsi_for_each_sg(cmd, sg, sg_count, i) {
 			any2scsi(cptr[i].dataptr, isa_page_to_bus(sg_page(sg))
 								+ sg->offset);
 			any2scsi(cptr[i].datalen, sg->length);
@@ -573,7 +573,7 @@
 #endif
 	} else {
 		ccb[mbo].op = 0;	/* SCSI Initiator Command */
-		SCpnt->host_scribble = NULL;
+		cmd->host_scribble = NULL;
 		any2scsi(ccb[mbo].datalen, 0);
 		any2scsi(ccb[mbo].dataptr, 0);
 	};
@@ -593,9 +593,9 @@
 
 	if (done) {
 		DEB(printk("aha1542_queuecommand: now waiting for interrupt "));
-		SCpnt->scsi_done = done;
+		cmd->scsi_done = done;
 		mb[mbo].status = 1;
-		aha1542_outb(SCpnt->device->host->io_port, CMD_START_SCSI);
+		aha1542_outb(cmd->device->host->io_port, CMD_START_SCSI);
 	} else
 		printk("aha1542_queuecommand: done can't be NULL\n");
 
@@ -908,13 +908,13 @@
  * This is a device reset.  This is handled by sending a special command
  * to the device.
  */
-static int aha1542_dev_reset(Scsi_Cmnd * SCpnt)
+static int aha1542_dev_reset(struct scsi_cmnd *cmd)
 {
-	struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);
+	struct aha1542_hostdata *aha1542 = shost_priv(cmd->device->host);
 	unsigned long flags;
 	struct mailbox *mb = aha1542->mb;
-	u8 target = SCpnt->device->id;
-	u8 lun = SCpnt->device->lun;
+	u8 target = cmd->device->id;
+	u8 lun = cmd->device->lun;
 	int mbo;
 	struct ccb *ccb = aha1542->ccb;
 
@@ -924,17 +924,17 @@
 		mbo = 0;
 
 	do {
-		if (mb[mbo].status == 0 && aha1542->SCint[mbo] == NULL)
+		if (mb[mbo].status == 0 && aha1542->int_cmds[mbo] == NULL)
 			break;
 		mbo++;
 		if (mbo >= AHA1542_MAILBOXES)
 			mbo = 0;
 	} while (mbo != aha1542->aha1542_last_mbo_used);
 
-	if (mb[mbo].status || aha1542->SCint[mbo])
+	if (mb[mbo].status || aha1542->int_cmds[mbo])
 		panic("Unable to find empty mailbox for aha1542.\n");
 
-	aha1542->SCint[mbo] = SCpnt;	/* This will effectively
+	aha1542->int_cmds[mbo] = cmd;	/* This will effectively
 					   prevent someone else from
 					   screwing with this cdb. */
 
@@ -956,17 +956,17 @@
 	 * Now tell the 1542 to flush all pending commands for this 
 	 * target 
 	 */
-	aha1542_outb(SCpnt->device->host->io_port, CMD_START_SCSI);
+	aha1542_outb(cmd->device->host->io_port, CMD_START_SCSI);
 
-	scmd_printk(KERN_WARNING, SCpnt,
+	scmd_printk(KERN_WARNING, cmd,
 		"Trying device reset for target\n");
 
 	return SUCCESS;
 }
 
-static int aha1542_reset(Scsi_Cmnd *SCpnt, u8 reset_cmd)
+static int aha1542_reset(struct scsi_cmnd *cmd, u8 reset_cmd)
 {
-	struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);
+	struct aha1542_hostdata *aha1542 = shost_priv(cmd->device->host);
 	int i;
 
 	/* 
@@ -975,7 +975,7 @@
 	 * we do this?  Try this first, and we can add that later
 	 * if it turns out to be useful.
 	 */
-	outb(reset_cmd, CONTROL(SCpnt->device->host->io_port));
+	outb(reset_cmd, CONTROL(cmd->device->host->io_port));
 
 	/*
 	 * Wait for the thing to settle down a bit.  Unfortunately
@@ -985,11 +985,11 @@
 	 * we are pretty desperate anyways.
 	 */
 	ssleep(4);
-	spin_lock_irq(SCpnt->device->host->host_lock);
+	spin_lock_irq(cmd->device->host->host_lock);
 
-	if (!wait_mask(STATUS(SCpnt->device->host->io_port),
+	if (!wait_mask(STATUS(cmd->device->host->io_port),
 	     STATMASK, INIT | IDLE, STST | DIAGF | INVDCMD | DF | CDF, 0)) {
-		spin_unlock_irq(SCpnt->device->host->host_lock);
+		spin_unlock_irq(cmd->device->host->host_lock);
 		return FAILED;
 	}
 	/*
@@ -997,21 +997,21 @@
 	 * us again after host reset.
 	 */
 	if (reset_cmd & HRST)
-		setup_mailboxes(SCpnt->device->host->io_port, SCpnt->device->host);
+		setup_mailboxes(cmd->device->host->io_port, cmd->device->host);
 	/*
 	 * Now try to pick up the pieces.  For all pending commands,
 	 * free any internal data structures, and basically clear things
 	 * out.  We do not try and restart any commands or anything - 
 	 * the strategy handler takes care of that crap.
 	 */
-	printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", SCpnt->device->host->host_no);
+	printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", cmd->device->host->host_no);
 
 	for (i = 0; i < AHA1542_MAILBOXES; i++) {
-		if (aha1542->SCint[i] != NULL) {
-			Scsi_Cmnd *SCtmp;
-			SCtmp = aha1542->SCint[i];
+		if (aha1542->int_cmds[i] != NULL) {
+			struct scsi_cmnd *tmp_cmd;
+			tmp_cmd = aha1542->int_cmds[i];
 
-			if (SCtmp->device->soft_reset) {
+			if (tmp_cmd->device->soft_reset) {
 				/*
 				 * If this device implements the soft reset option,
 				 * then it is still holding onto the command, and
@@ -1020,25 +1020,25 @@
 				 */
 				continue;
 			}
-			kfree(SCtmp->host_scribble);
-			SCtmp->host_scribble = NULL;
-			aha1542->SCint[i] = NULL;
+			kfree(tmp_cmd->host_scribble);
+			tmp_cmd->host_scribble = NULL;
+			aha1542->int_cmds[i] = NULL;
 			aha1542->mb[i].status = 0;
 		}
 	}
 
-	spin_unlock_irq(SCpnt->device->host->host_lock);
+	spin_unlock_irq(cmd->device->host->host_lock);
 	return SUCCESS;
 }
 
-static int aha1542_bus_reset(Scsi_Cmnd *SCpnt)
+static int aha1542_bus_reset(struct scsi_cmnd *cmd)
 {
-	return aha1542_reset(SCpnt, SCRST);
+	return aha1542_reset(cmd, SCRST);
 }
 
-static int aha1542_host_reset(Scsi_Cmnd *SCpnt)
+static int aha1542_host_reset(struct scsi_cmnd *cmd)
 {
-	return aha1542_reset(SCpnt, HRST | SCRST);
+	return aha1542_reset(cmd, HRST | SCRST);
 }
 
 static int aha1542_biosparam(struct scsi_device *sdev,