m68k: Reformat the Atari SCSI driver

Reformat the Atari SCSI driver

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 2373 insertions, 2375 deletions

diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c
index 1b4612c71ce..81e4f566b6c 100644
--- a/drivers/scsi/atari_NCR5380.c
+++ b/drivers/scsi/atari_NCR5380.c
@@ -1,19 +1,19 @@
-/* 
+/*
  * NCR 5380 generic driver routines.  These should make it *trivial*
- * 	to implement 5380 SCSI drivers under Linux with a non-trantor
+ *	to implement 5380 SCSI drivers under Linux with a non-trantor
  *	architecture.
  *
  *	Note that these routines also work with NR53c400 family chips.
  *
  * Copyright 1993, Drew Eckhardt
- *	Visionary Computing 
+ *	Visionary Computing
  *	(Unix and Linux consulting and custom programming)
- * 	drew@colorado.edu
+ *	drew@colorado.edu
  *	+1 (303) 666-5836
  *
- * DISTRIBUTION RELEASE 6. 
+ * DISTRIBUTION RELEASE 6.
  *
- * For more information, please consult 
+ * For more information, please consult
  *
  * NCR 5380 Family
  * SCSI Protocol Controller
@@ -57,7 +57,7 @@
  * - I've deleted all the stuff for AUTOPROBE_IRQ, REAL_DMA_POLL, PSEUDO_DMA
  *    and USLEEP, because these were messing up readability and will never be
  *    needed for Atari SCSI.
- * 
+ *
  * - I've revised the NCR5380_main() calling scheme (relax the 'main_running'
  *   stuff), and 'main' is executed in a bottom half if awoken by an
  *   interrupt.
@@ -69,21 +69,29 @@
  */
 
 /*
- * Further development / testing that should be done : 
- * 1.  Test linked command handling code after Eric is ready with 
+ * Further development / testing that should be done :
+ * 1.  Test linked command handling code after Eric is ready with
  *     the high level code.
  */
 #include <scsi/scsi_dbg.h>
 #include <scsi/scsi_transport_spi.h>
 
 #if (NDEBUG & NDEBUG_LISTS)
-#define LIST(x,y) \
-  { printk("LINE:%d   Adding %p to %p\n", __LINE__, (void*)(x), (void*)(y)); \
-    if ((x)==(y)) udelay(5); }
-#define REMOVE(w,x,y,z) \
-  { printk("LINE:%d   Removing: %p->%p  %p->%p \n", __LINE__, \
-	   (void*)(w), (void*)(x), (void*)(y), (void*)(z)); \
-    if ((x)==(y)) udelay(5); }
+#define LIST(x, y)						\
+	do {							\
+		printk("LINE:%d   Adding %p to %p\n",		\
+		       __LINE__, (void*)(x), (void*)(y));	\
+		if ((x) == (y))					\
+			udelay(5);				\
+	} while (0)
+#define REMOVE(w, x, y, z)					\
+	do {							\
+		printk("LINE:%d   Removing: %p->%p  %p->%p \n",	\
+		       __LINE__, (void*)(w), (void*)(x),	\
+		       (void*)(y), (void*)(z));			\
+		if ((x) == (y))					\
+			udelay(5);				\
+	} while (0)
 #else
 #define LIST(x,y)
 #define REMOVE(w,x,y,z)
@@ -103,62 +111,62 @@
  * more difficult than it has to be.
  *
  * Also, many of the SCSI drivers were written before the command queuing
- * routines were implemented, meaning their implementations of queued 
+ * routines were implemented, meaning their implementations of queued
  * commands were hacked on rather than designed in from the start.
  *
- * When I designed the Linux SCSI drivers I figured that 
+ * When I designed the Linux SCSI drivers I figured that
  * while having two different SCSI boards in a system might be useful
  * for debugging things, two of the same type wouldn't be used.
  * Well, I was wrong and a number of users have mailed me about running
  * multiple high-performance SCSI boards in a server.
  *
- * Finally, when I get questions from users, I have no idea what 
+ * Finally, when I get questions from users, I have no idea what
  * revision of my driver they are running.
  *
  * This driver attempts to address these problems :
- * This is a generic 5380 driver.  To use it on a different platform, 
+ * This is a generic 5380 driver.  To use it on a different platform,
  * one simply writes appropriate system specific macros (ie, data
- * transfer - some PC's will use the I/O bus, 68K's must use 
+ * transfer - some PC's will use the I/O bus, 68K's must use
  * memory mapped) and drops this file in their 'C' wrapper.
  *
- * As far as command queueing, two queues are maintained for 
+ * As far as command queueing, two queues are maintained for
  * each 5380 in the system - commands that haven't been issued yet,
- * and commands that are currently executing.  This means that an 
- * unlimited number of commands may be queued, letting 
- * more commands propagate from the higher driver levels giving higher 
- * throughput.  Note that both I_T_L and I_T_L_Q nexuses are supported, 
- * allowing multiple commands to propagate all the way to a SCSI-II device 
+ * and commands that are currently executing.  This means that an
+ * unlimited number of commands may be queued, letting
+ * more commands propagate from the higher driver levels giving higher
+ * throughput.  Note that both I_T_L and I_T_L_Q nexuses are supported,
+ * allowing multiple commands to propagate all the way to a SCSI-II device
  * while a command is already executing.
  *
- * To solve the multiple-boards-in-the-same-system problem, 
+ * To solve the multiple-boards-in-the-same-system problem,
  * there is a separate instance structure for each instance
  * of a 5380 in the system.  So, multiple NCR5380 drivers will
  * be able to coexist with appropriate changes to the high level
- * SCSI code.  
+ * SCSI code.
  *
  * A NCR5380_PUBLIC_REVISION macro is provided, with the release
- * number (updated for each public release) printed by the 
- * NCR5380_print_options command, which should be called from the 
+ * number (updated for each public release) printed by the
+ * NCR5380_print_options command, which should be called from the
  * wrapper detect function, so that I know what release of the driver
  * users are using.
  *
- * Issues specific to the NCR5380 : 
+ * Issues specific to the NCR5380 :
  *
- * When used in a PIO or pseudo-dma mode, the NCR5380 is a braindead 
- * piece of hardware that requires you to sit in a loop polling for 
- * the REQ signal as long as you are connected.  Some devices are 
- * brain dead (ie, many TEXEL CD ROM drives) and won't disconnect 
+ * When used in a PIO or pseudo-dma mode, the NCR5380 is a braindead
+ * piece of hardware that requires you to sit in a loop polling for
+ * the REQ signal as long as you are connected.  Some devices are
+ * brain dead (ie, many TEXEL CD ROM drives) and won't disconnect
  * while doing long seek operations.
- * 
+ *
  * The workaround for this is to keep track of devices that have
  * disconnected.  If the device hasn't disconnected, for commands that
- * should disconnect, we do something like 
+ * should disconnect, we do something like
  *
  * while (!REQ is asserted) { sleep for N usecs; poll for M usecs }
- * 
- * Some tweaking of N and M needs to be done.  An algorithm based 
+ *
+ * Some tweaking of N and M needs to be done.  An algorithm based
  * on "time to data" would give the best results as long as short time
- * to datas (ie, on the same track) were considered, however these 
+ * to datas (ie, on the same track) were considered, however these
  * broken devices are the exception rather than the rule and I'd rather
  * spend my time optimizing for the normal case.
  *
@@ -167,9 +175,9 @@
  * At the heart of the design is a coroutine, NCR5380_main,
  * which is started when not running by the interrupt handler,
  * timer, and queue command function.  It attempts to establish
- * I_T_L or I_T_L_Q nexuses by removing the commands from the 
- * issue queue and calling NCR5380_select() if a nexus 
- * is not established. 
+ * I_T_L or I_T_L_Q nexuses by removing the commands from the
+ * issue queue and calling NCR5380_select() if a nexus
+ * is not established.
  *
  * Once a nexus is established, the NCR5380_information_transfer()
  * phase goes through the various phases as instructed by the target.
@@ -183,10 +191,10 @@
  * calling NCR5380_intr()  which will in turn call NCR5380_reselect
  * to reestablish a nexus.  This will run main if necessary.
  *
- * On command termination, the done function will be called as 
+ * On command termination, the done function will be called as
  * appropriate.
  *
- * SCSI pointers are maintained in the SCp field of SCSI command 
+ * SCSI pointers are maintained in the SCp field of SCSI command
  * structures, being initialized after the command is connected
  * in NCR5380_select, and set as appropriate in NCR5380_information_transfer.
  * Note that in violation of the standard, an implicit SAVE POINTERS operation
@@ -196,12 +204,12 @@
 /*
  * Using this file :
  * This file a skeleton Linux SCSI driver for the NCR 5380 series
- * of chips.  To use it, you write an architecture specific functions 
+ * of chips.  To use it, you write an architecture specific functions
  * and macros and include this file in your driver.
  *
- * These macros control options : 
+ * These macros control options :
  * AUTOSENSE - if defined, REQUEST SENSE will be performed automatically
- *	for commands that return with a CHECK CONDITION status. 
+ *	for commands that return with a CHECK CONDITION status.
  *
  * LINKED - if defined, linked commands are supported.
  *
@@ -210,18 +218,18 @@
  * SUPPORT_TAGS - if defined, SCSI-2 tagged queuing is used where possible
  *
  * These macros MUST be defined :
- * 
+ *
  * NCR5380_read(register)  - read from the specified register
  *
- * NCR5380_write(register, value) - write to the specific register 
+ * NCR5380_write(register, value) - write to the specific register
  *
  * Either real DMA *or* pseudo DMA may be implemented
- * REAL functions : 
+ * REAL functions :
  * NCR5380_REAL_DMA should be defined if real DMA is to be used.
- * Note that the DMA setup functions should return the number of bytes 
+ * Note that the DMA setup functions should return the number of bytes
  *	that they were able to program the controller for.
  *
- * Also note that generic i386/PC versions of these macros are 
+ * Also note that generic i386/PC versions of these macros are
  *	available as NCR5380_i386_dma_write_setup,
  *	NCR5380_i386_dma_read_setup, and NCR5380_i386_dma_residual.
  *
@@ -234,14 +242,14 @@
  * NCR5380_pread(instance, dst, count);
  *
  * If nothing specific to this implementation needs doing (ie, with external
- * hardware), you must also define 
- *  
+ * hardware), you must also define
+ *
  * NCR5380_queue_command
  * NCR5380_reset
  * NCR5380_abort
  * NCR5380_proc_info
  *
- * to be the global entry points into the specific driver, ie 
+ * to be the global entry points into the specific driver, ie
  * #define NCR5380_queue_command t128_queue_command.
  *
  * If this is not done, the routines will be defined as static functions
@@ -249,7 +257,7 @@
  * accessible wrapper function.
  *
  * The generic driver is initialized by calling NCR5380_init(instance),
- * after setting the appropriate host specific fields and ID.  If the 
+ * after setting the appropriate host specific fields and ID.  If the
  * driver wishes to autoprobe for an IRQ line, the NCR5380_probe_irq(instance,
  * possible) function may be used.  Before the specific driver initialization
  * code finishes, NCR5380_print_options should be called.
@@ -312,34 +320,34 @@ static struct scsi_host_template *the_template = NULL;
 #define TAG_NONE 0xff
 
 typedef struct {
-    DECLARE_BITMAP(allocated, MAX_TAGS);
-    int		nr_allocated;
-    int		queue_size;
+	DECLARE_BITMAP(allocated, MAX_TAGS);
+	int nr_allocated;
+	int queue_size;
 } TAG_ALLOC;
 
-static TAG_ALLOC TagAlloc[8][8]; /* 8 targets and 8 LUNs */
+static TAG_ALLOC TagAlloc[8][8];	/* 8 targets and 8 LUNs */
 
 
-static void __init init_tags( void )
+static void __init init_tags(void)
 {
-    int target, lun;
-    TAG_ALLOC *ta;
-    
-    if (!setup_use_tagged_queuing)
-	return;
-    
-    for( target = 0; target < 8; ++target ) {
-	for( lun = 0; lun < 8; ++lun ) {
-	    ta = &TagAlloc[target][lun];
-	    bitmap_zero(ta->allocated, MAX_TAGS);
-	    ta->nr_allocated = 0;
-	    /* At the beginning, assume the maximum queue size we could
-	     * support (MAX_TAGS). This value will be decreased if the target
-	     * returns QUEUE_FULL status.
-	     */
-	    ta->queue_size = MAX_TAGS;
+	int target, lun;
+	TAG_ALLOC *ta;
+
+	if (!setup_use_tagged_queuing)
+		return;
+
+	for (target = 0; target < 8; ++target) {
+		for (lun = 0; lun < 8; ++lun) {
+			ta = &TagAlloc[target][lun];
+			bitmap_zero(ta->allocated, MAX_TAGS);
+			ta->nr_allocated = 0;
+			/* At the beginning, assume the maximum queue size we could
+			 * support (MAX_TAGS). This value will be decreased if the target
+			 * returns QUEUE_FULL status.
+			 */
+			ta->queue_size = MAX_TAGS;
+		}
 	}
-    }
 }
 
 
@@ -348,24 +356,24 @@ static void __init init_tags( void )
  * check that there is a free tag and the target's queue won't overflow. This
  * function should be called with interrupts disabled to avoid race
  * conditions.
- */ 
+ */
 
-static int is_lun_busy( Scsi_Cmnd *cmd, int should_be_tagged )
+static int is_lun_busy(Scsi_Cmnd *cmd, int should_be_tagged)
 {
-    SETUP_HOSTDATA(cmd->device->host);
-
-    if (hostdata->busy[cmd->device->id] & (1 << cmd->device->lun))
-	return( 1 );
-    if (!should_be_tagged ||
-	!setup_use_tagged_queuing || !cmd->device->tagged_supported)
-	return( 0 );
-    if (TagAlloc[cmd->device->id][cmd->device->lun].nr_allocated >=
-	TagAlloc[cmd->device->id][cmd->device->lun].queue_size ) {
-	TAG_PRINTK( "scsi%d: target %d lun %d: no free tags\n",
-		    H_NO(cmd), cmd->device->id, cmd->device->lun );
-	return( 1 );
-    }
-    return( 0 );
+	SETUP_HOSTDATA(cmd->device->host);
+
+	if (hostdata->busy[cmd->device->id] & (1 << cmd->device->lun))
+		return 1;
+	if (!should_be_tagged ||
+	    !setup_use_tagged_queuing || !cmd->device->tagged_supported)
+		return 0;
+	if (TagAlloc[cmd->device->id][cmd->device->lun].nr_allocated >=
+	    TagAlloc[cmd->device->id][cmd->device->lun].queue_size) {
+		TAG_PRINTK("scsi%d: target %d lun %d: no free tags\n",
+			   H_NO(cmd), cmd->device->id, cmd->device->lun);
+		return 1;
+	}
+	return 0;
 }
 
 
@@ -374,31 +382,30 @@ static int is_lun_busy( Scsi_Cmnd *cmd, int should_be_tagged )
  * untagged.
  */
 
-static void cmd_get_tag( Scsi_Cmnd *cmd, int should_be_tagged )
+static void cmd_get_tag(Scsi_Cmnd *cmd, int should_be_tagged)
 {
-    SETUP_HOSTDATA(cmd->device->host);
-
-    /* If we or the target don't support tagged queuing, allocate the LUN for
-     * an untagged command.
-     */
-    if (!should_be_tagged ||
-	!setup_use_tagged_queuing || !cmd->device->tagged_supported) {
-	cmd->tag = TAG_NONE;
-	hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
-	TAG_PRINTK( "scsi%d: target %d lun %d now allocated by untagged "
-		    "command\n", H_NO(cmd), cmd->device->id, cmd->device->lun );
-    }
-    else {
-	TAG_ALLOC *ta = &TagAlloc[cmd->device->id][cmd->device->lun];
-
-	cmd->tag = find_first_zero_bit( ta->allocated, MAX_TAGS );
-	set_bit( cmd->tag, ta->allocated );
-	ta->nr_allocated++;
-	TAG_PRINTK( "scsi%d: using tag %d for target %d lun %d "
-		    "(now %d tags in use)\n",
-		    H_NO(cmd), cmd->tag, cmd->device->id, cmd->device->lun,
-		    ta->nr_allocated );
-    }
+	SETUP_HOSTDATA(cmd->device->host);
+
+	/* If we or the target don't support tagged queuing, allocate the LUN for
+	 * an untagged command.
+	 */
+	if (!should_be_tagged ||
+	    !setup_use_tagged_queuing || !cmd->device->tagged_supported) {
+		cmd->tag = TAG_NONE;
+		hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
+		TAG_PRINTK("scsi%d: target %d lun %d now allocated by untagged "
+			   "command\n", H_NO(cmd), cmd->device->id, cmd->device->lun);
+	} else {
+		TAG_ALLOC *ta = &TagAlloc[cmd->device->id][cmd->device->lun];
+
+		cmd->tag = find_first_zero_bit(ta->allocated, MAX_TAGS);
+		set_bit(cmd->tag, ta->allocated);
+		ta->nr_allocated++;
+		TAG_PRINTK("scsi%d: using tag %d for target %d lun %d "
+			   "(now %d tags in use)\n",
+			   H_NO(cmd), cmd->tag, cmd->device->id,
+			   cmd->device->lun, ta->nr_allocated);
+	}
 }
 
 
@@ -406,44 +413,42 @@ static void cmd_get_tag( Scsi_Cmnd *cmd, int should_be_tagged )
  * unlock the LUN.
  */
 
-static void cmd_free_tag( Scsi_Cmnd *cmd )
+static void cmd_free_tag(Scsi_Cmnd *cmd)
 {
-    SETUP_HOSTDATA(cmd->device->host);
-
-    if (cmd->tag == TAG_NONE) {
-	hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
-	TAG_PRINTK( "scsi%d: target %d lun %d untagged cmd finished\n",
-		    H_NO(cmd), cmd->device->id, cmd->device->lun );
-    }
-    else if (cmd->tag >= MAX_TAGS) {
-	printk(KERN_NOTICE "scsi%d: trying to free bad tag %d!\n",
-		H_NO(cmd), cmd->tag );
-    }
-    else {
-	TAG_ALLOC *ta = &TagAlloc[cmd->device->id][cmd->device->lun];
-	clear_bit( cmd->tag, ta->allocated );
-	ta->nr_allocated--;
-	TAG_PRINTK( "scsi%d: freed tag %d for target %d lun %d\n",
-		    H_NO(cmd), cmd->tag, cmd->device->id, cmd->device->lun );
-    }
+	SETUP_HOSTDATA(cmd->device->host);
+
+	if (cmd->tag == TAG_NONE) {
+		hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+		TAG_PRINTK("scsi%d: target %d lun %d untagged cmd finished\n",
+			   H_NO(cmd), cmd->device->id, cmd->device->lun);
+	} else if (cmd->tag >= MAX_TAGS) {
+		printk(KERN_NOTICE "scsi%d: trying to free bad tag %d!\n",
+		       H_NO(cmd), cmd->tag);
+	} else {
+		TAG_ALLOC *ta = &TagAlloc[cmd->device->id][cmd->device->lun];
+		clear_bit(cmd->tag, ta->allocated);
+		ta->nr_allocated--;
+		TAG_PRINTK("scsi%d: freed tag %d for target %d lun %d\n",
+			   H_NO(cmd), cmd->tag, cmd->device->id, cmd->device->lun);
+	}
 }
 
 
-static void free_all_tags( void )
+static void free_all_tags(void)
 {
-    int target, lun;
-    TAG_ALLOC *ta;
-
-    if (!setup_use_tagged_queuing)
-	return;
-    
-    for( target = 0; target < 8; ++target ) {
-	for( lun = 0; lun < 8; ++lun ) {
-	    ta = &TagAlloc[target][lun];
-	    bitmap_zero(ta->allocated, MAX_TAGS);
-	    ta->nr_allocated = 0;
+	int target, lun;
+	TAG_ALLOC *ta;
+
+	if (!setup_use_tagged_queuing)
+		return;
+
+	for (target = 0; target < 8; ++target) {
+		for (lun = 0; lun < 8; ++lun) {
+			ta = &TagAlloc[target][lun];
+			bitmap_zero(ta->allocated, MAX_TAGS);
+			ta->nr_allocated = 0;
+		}
 	}
-    }
 }
 
 #endif /* SUPPORT_TAGS */
@@ -461,89 +466,94 @@ static void free_all_tags( void )
  *    assumed to be already transfered into ptr/this_residual.
  */
 
-static void merge_contiguous_buffers( Scsi_Cmnd *cmd )
+static void merge_contiguous_buffers(Scsi_Cmnd *cmd)
 {
-    unsigned long endaddr;
+	unsigned long endaddr;
 #if (NDEBUG & NDEBUG_MERGING)
-    unsigned long oldlen = cmd->SCp.this_residual;
-    int		  cnt = 1;
+	unsigned long oldlen = cmd->SCp.this_residual;
+	int cnt = 1;
 #endif
 
-    for (endaddr = virt_to_phys(cmd->SCp.ptr + cmd->SCp.this_residual - 1) + 1;
-	 cmd->SCp.buffers_residual &&
-	 virt_to_phys(page_address(cmd->SCp.buffer[1].page)+
-		      cmd->SCp.buffer[1].offset) == endaddr; ) {
-	MER_PRINTK("VTOP(%p) == %08lx -> merging\n",
-		   cmd->SCp.buffer[1].address, endaddr);
+	for (endaddr = virt_to_phys(cmd->SCp.ptr + cmd->SCp.this_residual - 1) + 1;
+	     cmd->SCp.buffers_residual &&
+	     virt_to_phys(page_address(cmd->SCp.buffer[1].page) +
+			  cmd->SCp.buffer[1].offset) == endaddr;) {
+		MER_PRINTK("VTOP(%p) == %08lx -> merging\n",
+			   cmd->SCp.buffer[1].address, endaddr);
 #if (NDEBUG & NDEBUG_MERGING)
-	++cnt;
+		++cnt;
 #endif
-	++cmd->SCp.buffer;
-	--cmd->SCp.buffers_residual;
-	cmd->SCp.this_residual += cmd->SCp.buffer->length;
-	endaddr += cmd->SCp.buffer->length;
-    }
+		++cmd->SCp.buffer;
+		--cmd->SCp.buffers_residual;
+		cmd->SCp.this_residual += cmd->SCp.buffer->length;
+		endaddr += cmd->SCp.buffer->length;
+	}
 #if (NDEBUG & NDEBUG_MERGING)
-    if (oldlen != cmd->SCp.this_residual)
-	MER_PRINTK("merged %d buffers from %p, new length %08x\n",
-		   cnt, cmd->SCp.ptr, cmd->SCp.this_residual);
+	if (oldlen != cmd->SCp.this_residual)
+		MER_PRINTK("merged %d buffers from %p, new length %08x\n",
+			   cnt, cmd->SCp.ptr, cmd->SCp.this_residual);
 #endif
 }
 
 /*
  * Function : void initialize_SCp(Scsi_Cmnd *cmd)
  *
- * Purpose : initialize the saved data pointers for cmd to point to the 
+ * Purpose : initialize the saved data pointers for cmd to point to the
  *	start of the buffer.
  *
  * Inputs : cmd - Scsi_Cmnd structure to have pointers reset.
  */
 
-static __inline__ void initialize_SCp(Scsi_Cmnd *cmd)
+static inline void initialize_SCp(Scsi_Cmnd *cmd)
 {
-    /* 
-     * Initialize the Scsi Pointer field so that all of the commands in the 
-     * various queues are valid.
-     */
-
-    if (cmd->use_sg) {
-	cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer;
-	cmd->SCp.buffers_residual = cmd->use_sg - 1;
-	cmd->SCp.ptr = (char *)page_address(cmd->SCp.buffer->page)+
-		       cmd->SCp.buffer->offset;
-	cmd->SCp.this_residual = cmd->SCp.buffer->length;
-	/* ++roman: Try to merge some scatter-buffers if they are at
-	 * contiguous physical addresses.
+	/*
+	 * Initialize the Scsi Pointer field so that all of the commands in the
+	 * various queues are valid.
 	 */
-	merge_contiguous_buffers( cmd );
-    } else {
-	cmd->SCp.buffer = NULL;
-	cmd->SCp.buffers_residual = 0;
-	cmd->SCp.ptr = (char *) cmd->request_buffer;
-	cmd->SCp.this_residual = cmd->request_bufflen;
-    }
+
+	if (cmd->use_sg) {
+		cmd->SCp.buffer = (struct scatterlist *)cmd->request_buffer;
+		cmd->SCp.buffers_residual = cmd->use_sg - 1;
+		cmd->SCp.ptr = (char *)page_address(cmd->SCp.buffer->page) +
+			       cmd->SCp.buffer->offset;
+		cmd->SCp.this_residual = cmd->SCp.buffer->length;
+		/* ++roman: Try to merge some scatter-buffers if they are at
+		 * contiguous physical addresses.
+		 */
+		merge_contiguous_buffers(cmd);
+	} else {
+		cmd->SCp.buffer = NULL;
+		cmd->SCp.buffers_residual = 0;
+		cmd->SCp.ptr = (char *)cmd->request_buffer;
+		cmd->SCp.this_residual = cmd->request_bufflen;
+	}
 }
 
 #include <linux/delay.h>
 
 #if NDEBUG
 static struct {
-    unsigned char mask;
-    const char * name;} 
-signals[] = {{ SR_DBP, "PARITY"}, { SR_RST, "RST" }, { SR_BSY, "BSY" }, 
-    { SR_REQ, "REQ" }, { SR_MSG, "MSG" }, { SR_CD,  "CD" }, { SR_IO, "IO" }, 
-    { SR_SEL, "SEL" }, {0, NULL}}, 
-basrs[] = {{BASR_ATN, "ATN"}, {BASR_ACK, "ACK"}, {0, NULL}},
-icrs[] = {{ICR_ASSERT_RST, "ASSERT RST"},{ICR_ASSERT_ACK, "ASSERT ACK"},
-    {ICR_ASSERT_BSY, "ASSERT BSY"}, {ICR_ASSERT_SEL, "ASSERT SEL"}, 
-    {ICR_ASSERT_ATN, "ASSERT ATN"}, {ICR_ASSERT_DATA, "ASSERT DATA"}, 
-    {0, NULL}},
-mrs[] = {{MR_BLOCK_DMA_MODE, "MODE BLOCK DMA"}, {MR_TARGET, "MODE TARGET"}, 
-    {MR_ENABLE_PAR_CHECK, "MODE PARITY CHECK"}, {MR_ENABLE_PAR_INTR, 
-    "MODE PARITY INTR"}, {MR_ENABLE_EOP_INTR,"MODE EOP INTR"},
-    {MR_MONITOR_BSY, "MODE MONITOR BSY"},
-    {MR_DMA_MODE, "MODE DMA"}, {MR_ARBITRATE, "MODE ARBITRATION"}, 
-    {0, NULL}};
+	unsigned char mask;
+	const char *name;
+} signals[] = {
+	{ SR_DBP, "PARITY"}, { SR_RST, "RST" }, { SR_BSY, "BSY" },
+	{ SR_REQ, "REQ" }, { SR_MSG, "MSG" }, { SR_CD,  "CD" }, { SR_IO, "IO" },
+	{ SR_SEL, "SEL" }, {0, NULL}
+}, basrs[] = {
+	{BASR_ATN, "ATN"}, {BASR_ACK, "ACK"}, {0, NULL}
+}, icrs[] = {
+	{ICR_ASSERT_RST, "ASSERT RST"},{ICR_ASSERT_ACK, "ASSERT ACK"},
+	{ICR_ASSERT_BSY, "ASSERT BSY"}, {ICR_ASSERT_SEL, "ASSERT SEL"},
+	{ICR_ASSERT_ATN, "ASSERT ATN"}, {ICR_ASSERT_DATA, "ASSERT DATA"},
+	{0, NULL}
+}, mrs[] = {
+	{MR_BLOCK_DMA_MODE, "MODE BLOCK DMA"}, {MR_TARGET, "MODE TARGET"},
+	{MR_ENABLE_PAR_CHECK, "MODE PARITY CHECK"}, {MR_ENABLE_PAR_INTR,
+	"MODE PARITY INTR"}, {MR_ENABLE_EOP_INTR,"MODE EOP INTR"},
+	{MR_MONITOR_BSY, "MODE MONITOR BSY"},
+	{MR_DMA_MODE, "MODE DMA"}, {MR_ARBITRATE, "MODE ARBITRATION"},
+	{0, NULL}
+};
 
 /*
  * Function : void NCR5380_print(struct Scsi_Host *instance)
@@ -553,45 +563,47 @@ mrs[] = {{MR_BLOCK_DMA_MODE, "MODE BLOCK DMA"}, {MR_TARGET, "MODE TARGET"},
  * Input : instance - which NCR5380
  */
 
-static void NCR5380_print(struct Scsi_Host *instance) {
-    unsigned char status, data, basr, mr, icr, i;
-    unsigned long flags;
-
-    local_irq_save(flags);
-    data = NCR5380_read(CURRENT_SCSI_DATA_REG);
-    status = NCR5380_read(STATUS_REG);
-    mr = NCR5380_read(MODE_REG);
-    icr = NCR5380_read(INITIATOR_COMMAND_REG);
-    basr = NCR5380_read(BUS_AND_STATUS_REG);
-    local_irq_restore(flags);
-    printk("STATUS_REG: %02x ", status);
-    for (i = 0; signals[i].mask ; ++i) 
-	if (status & signals[i].mask)
-	    printk(",%s", signals[i].name);
-    printk("\nBASR: %02x ", basr);
-    for (i = 0; basrs[i].mask ; ++i) 
-	if (basr & basrs[i].mask)
-	    printk(",%s", basrs[i].name);
-    printk("\nICR: %02x ", icr);
-    for (i = 0; icrs[i].mask; ++i) 
-	if (icr & icrs[i].mask)
-	    printk(",%s", icrs[i].name);
-    printk("\nMODE: %02x ", mr);
-    for (i = 0; mrs[i].mask; ++i) 
-	if (mr & mrs[i].mask)
-	    printk(",%s", mrs[i].name);
-    printk("\n");
+static void NCR5380_print(struct Scsi_Host *instance)
+{
+	unsigned char status, data, basr, mr, icr, i;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	data = NCR5380_read(CURRENT_SCSI_DATA_REG);
+	status = NCR5380_read(STATUS_REG);
+	mr = NCR5380_read(MODE_REG);
+	icr = NCR5380_read(INITIATOR_COMMAND_REG);
+	basr = NCR5380_read(BUS_AND_STATUS_REG);
+	local_irq_restore(flags);
+	printk("STATUS_REG: %02x ", status);
+	for (i = 0; signals[i].mask; ++i)
+		if (status & signals[i].mask)
+			printk(",%s", signals[i].name);
+	printk("\nBASR: %02x ", basr);
+	for (i = 0; basrs[i].mask; ++i)
+		if (basr & basrs[i].mask)
+			printk(",%s", basrs[i].name);
+	printk("\nICR: %02x ", icr);
+	for (i = 0; icrs[i].mask; ++i)
+		if (icr & icrs[i].mask)
+			printk(",%s", icrs[i].name);
+	printk("\nMODE: %02x ", mr);
+	for (i = 0; mrs[i].mask; ++i)
+		if (mr & mrs[i].mask)
+			printk(",%s", mrs[i].name);
+	printk("\n");
 }
 
 static struct {
-    unsigned char value;
-    const char *name;
+	unsigned char value;
+	const char *name;
 } phases[] = {
-    {PHASE_DATAOUT, "DATAOUT"}, {PHASE_DATAIN, "DATAIN"}, {PHASE_CMDOUT, "CMDOUT"},
-    {PHASE_STATIN, "STATIN"}, {PHASE_MSGOUT, "MSGOUT"}, {PHASE_MSGIN, "MSGIN"},
-    {PHASE_UNKNOWN, "UNKNOWN"}};
+	{PHASE_DATAOUT, "DATAOUT"}, {PHASE_DATAIN, "DATAIN"}, {PHASE_CMDOUT, "CMDOUT"},
+	{PHASE_STATIN, "STATIN"}, {PHASE_MSGOUT, "MSGOUT"}, {PHASE_MSGIN, "MSGIN"},
+	{PHASE_UNKNOWN, "UNKNOWN"}
+};
 
-/* 
+/*
  * Function : void NCR5380_print_phase(struct Scsi_Host *instance)
  *
  * Purpose : print the current SCSI phase for debugging purposes
@@ -601,30 +613,35 @@ static struct {
 
 static void NCR5380_print_phase(struct Scsi_Host *instance)
 {
-    unsigned char status;
-    int i;
-
-    status = NCR5380_read(STATUS_REG);
-    if (!(status & SR_REQ)) 
-	printk(KERN_DEBUG "scsi%d: REQ not asserted, phase unknown.\n", HOSTNO);
-    else {
-	for (i = 0; (phases[i].value != PHASE_UNKNOWN) && 
-	    (phases[i].value != (status & PHASE_MASK)); ++i); 
-	printk(KERN_DEBUG "scsi%d: phase %s\n", HOSTNO, phases[i].name);
-    }
+	unsigned char status;
+	int i;
+
+	status = NCR5380_read(STATUS_REG);
+	if (!(status & SR_REQ))
+		printk(KERN_DEBUG "scsi%d: REQ not asserted, phase unknown.\n", HOSTNO);
+	else {
+		for (i = 0; (phases[i].value != PHASE_UNKNOWN) &&
+		     (phases[i].value != (status & PHASE_MASK)); ++i)
+			;
+		printk(KERN_DEBUG "scsi%d: phase %s\n", HOSTNO, phases[i].name);
+	}
 }
 
 #else /* !NDEBUG */
 
 /* dummies... */
-__inline__ void NCR5380_print(struct Scsi_Host *instance) { };
-__inline__ void NCR5380_print_phase(struct Scsi_Host *instance) { };
+static inline void NCR5380_print(struct Scsi_Host *instance)
+{
+};
+static inline void NCR5380_print_phase(struct Scsi_Host *instance)
+{
+};
 
 #endif
 
 /*
  * ++roman: New scheme of calling NCR5380_main()
- * 
+ *
  * If we're not in an interrupt, we can call our main directly, it cannot be
  * already running. Else, we queue it on a task queue, if not 'main_running'
  * tells us that a lower level is already executing it. This way,
@@ -638,33 +655,33 @@ __inline__ void NCR5380_print_phase(struct Scsi_Host *instance) { };
 #include <linux/workqueue.h>
 #include <linux/interrupt.h>
 
-static volatile int main_running = 0;
-static DECLARE_WORK(NCR5380_tqueue, (void (*)(void*))NCR5380_main, NULL);
+static volatile int main_running;
+static DECLARE_WORK(NCR5380_tqueue, (void (*)(void *))NCR5380_main, NULL);
 
-static __inline__ void queue_main(void)
+static inline void queue_main(void)
 {
-    if (!main_running) {
-	/* If in interrupt and NCR5380_main() not already running,
-	   queue it on the 'immediate' task queue, to be processed
-	   immediately after the current interrupt processing has
-	   finished. */
-	schedule_work(&NCR5380_tqueue);
-    }
-    /* else: nothing to do: the running NCR5380_main() will pick up
-       any newly queued command. */
+	if (!main_running) {
+		/* If in interrupt and NCR5380_main() not already running,
+		   queue it on the 'immediate' task queue, to be processed
+		   immediately after the current interrupt processing has
+		   finished. */
+		schedule_work(&NCR5380_tqueue);
+	}
+	/* else: nothing to do: the running NCR5380_main() will pick up
+	   any newly queued command. */
 }
 
 
-static inline void NCR5380_all_init (void)
+static inline void NCR5380_all_init(void)
 {
-    static int done = 0;
-    if (!done) {
-	INI_PRINTK("scsi : NCR5380_all_init()\n");
-	done = 1;
-    }
+	static int done = 0;
+	if (!done) {
+		INI_PRINTK("scsi : NCR5380_all_init()\n");
+		done = 1;
+	}
 }
 
- 
+
 /*
  * Function : void NCR58380_print_options (struct Scsi_Host *instance)
  *
@@ -674,23 +691,23 @@ static inline void NCR5380_all_init (void)
  * Inputs : instance, pointer to this instance.  Unused.
  */
 
-static void __init NCR5380_print_options (struct Scsi_Host *instance)
+static void __init NCR5380_print_options(struct Scsi_Host *instance)
 {
-    printk(" generic options"
-#ifdef AUTOSENSE 
-    " AUTOSENSE"
+	printk(" generic options"
+#ifdef AUTOSENSE
+	       " AUTOSENSE"
 #endif
 #ifdef REAL_DMA
-    " REAL DMA"
+	       " REAL DMA"
 #endif
 #ifdef PARITY
-    " PARITY"
+	       " PARITY"
 #endif
 #ifdef SUPPORT_TAGS
-    " SCSI-2 TAGGED QUEUING"
+	       " SCSI-2 TAGGED QUEUING"
 #endif
-    );
-    printk(" generic release=%d", NCR5380_PUBLIC_RELEASE);
+	       );
+	printk(" generic release=%d", NCR5380_PUBLIC_RELEASE);
 }
 
 /*
@@ -699,27 +716,27 @@ static void __init NCR5380_print_options (struct Scsi_Host *instance)
  * Purpose : print commands in the various queues, called from
  *	NCR5380_abort and NCR5380_debug to aid debugging.
  *
- * Inputs : instance, pointer to this instance.  
+ * Inputs : instance, pointer to this instance.
  */
 
-static void NCR5380_print_status (struct Scsi_Host *instance)
+static void NCR5380_print_status(struct Scsi_Host *instance)
 {
-    char *pr_bfr;
-    char *start;
-    int len;
-
-    NCR_PRINT(NDEBUG_ANY);
-    NCR_PRINT_PHASE(NDEBUG_ANY);
-
-    pr_bfr = (char *) __get_free_page(GFP_ATOMIC);
-    if (!pr_bfr) {
-	printk("NCR5380_print_status: no memory for print buffer\n");
-	return;
-    }
-    len = NCR5380_proc_info(instance, pr_bfr, &start, 0, PAGE_SIZE, 0);
-    pr_bfr[len] = 0;
-    printk("\n%s\n", pr_bfr);
-    free_page((unsigned long) pr_bfr);
+	char *pr_bfr;
+	char *start;
+	int len;
+
+	NCR_PRINT(NDEBUG_ANY);
+	NCR_PRINT_PHASE(NDEBUG_ANY);
+
+	pr_bfr = (char *)__get_free_page(GFP_ATOMIC);
+	if (!pr_bfr) {
+		printk("NCR5380_print_status: no memory for print buffer\n");
+		return;
+	}
+	len = NCR5380_proc_info(instance, pr_bfr, &start, 0, PAGE_SIZE, 0);
+	pr_bfr[len] = 0;
+	printk("\n%s\n", pr_bfr);
+	free_page((unsigned long)pr_bfr);
 }
 
 
@@ -738,146 +755,144 @@ static void NCR5380_print_status (struct Scsi_Host *instance)
 */
 
 #undef SPRINTF
-#define SPRINTF(fmt,args...) \
-  do { if (pos + strlen(fmt) + 20 /* slop */ < buffer + length) \
-	 pos += sprintf(pos, fmt , ## args); } while(0)
-static
-char *lprint_Scsi_Cmnd (Scsi_Cmnd *cmd, char *pos, char *buffer, int length);
-
-static
-int NCR5380_proc_info (struct Scsi_Host *instance, char *buffer, char **start, off_t offset,
-		       int length, int inout)
+#define SPRINTF(fmt,args...)							\
+	do {									\
+		if (pos + strlen(fmt) + 20 /* slop */ < buffer + length)	\
+			pos += sprintf(pos, fmt , ## args);			\
+	} while(0)
+static char *lprint_Scsi_Cmnd(Scsi_Cmnd *cmd, char *pos, char *buffer, int length);
+
+static int NCR5380_proc_info(struct Scsi_Host *instance, char *buffer,
+			     char **start, off_t offset, int length, int inout)
 {
-    char *pos = buffer;
-    struct NCR5380_hostdata *hostdata;
-    Scsi_Cmnd *ptr;
-    unsigned long flags;
-    off_t begin = 0;
-#define check_offset()				\
-    do {					\
-	if (pos - buffer < offset - begin) {	\
-	    begin += pos - buffer;		\
-	    pos = buffer;			\
-	}					\
-    } while (0)
-
-    hostdata = (struct NCR5380_hostdata *)instance->hostdata;
-
-    if (inout) { /* Has data been written to the file ? */
-	return(-ENOSYS);  /* Currently this is a no-op */
-    }
-    SPRINTF("NCR5380 core release=%d.\n", NCR5380_PUBLIC_RELEASE);
-    check_offset();
-    local_irq_save(flags);
-    SPRINTF("NCR5380: coroutine is%s running.\n", main_running ? "" : "n't");
-    check_offset();
-    if (!hostdata->connected)
-	SPRINTF("scsi%d: no currently connected command\n", HOSTNO);
-    else
-	pos = lprint_Scsi_Cmnd ((Scsi_Cmnd *) hostdata->connected,
-				pos, buffer, length);
-    SPRINTF("scsi%d: issue_queue\n", HOSTNO);
-    check_offset();
-    for (ptr = (Scsi_Cmnd *) hostdata->issue_queue; ptr; ptr = NEXT(ptr)) {
-	pos = lprint_Scsi_Cmnd (ptr, pos, buffer, length);
+	char *pos = buffer;
+	struct NCR5380_hostdata *hostdata;
+	Scsi_Cmnd *ptr;
+	unsigned long flags;
+	off_t begin = 0;
+#define check_offset()					\
+	do {						\
+		if (pos - buffer < offset - begin) {	\
+			begin += pos - buffer;		\
+			pos = buffer;			\
+		}					\
+	} while (0)
+
+	hostdata = (struct NCR5380_hostdata *)instance->hostdata;
+
+	if (inout)			/* Has data been written to the file ? */
+		return -ENOSYS;		/* Currently this is a no-op */
+	SPRINTF("NCR5380 core release=%d.\n", NCR5380_PUBLIC_RELEASE);
+	check_offset();
+	local_irq_save(flags);
+	SPRINTF("NCR5380: coroutine is%s running.\n",
+		main_running ? "" : "n't");
 	check_offset();
-    }
+	if (!hostdata->connected)
+		SPRINTF("scsi%d: no currently connected command\n", HOSTNO);
+	else
+		pos = lprint_Scsi_Cmnd((Scsi_Cmnd *) hostdata->connected,
+				       pos, buffer, length);
+	SPRINTF("scsi%d: issue_queue\n", HOSTNO);
+	check_offset();
+	for (ptr = (Scsi_Cmnd *)hostdata->issue_queue; ptr; ptr = NEXT(ptr)) {
+		pos = lprint_Scsi_Cmnd(ptr, pos, buffer, length);
+		check_offset();
+	}
 
-    SPRINTF("scsi%d: disconnected_queue\n", HOSTNO);
-    check_offset();
-    for (ptr = (Scsi_Cmnd *) hostdata->disconnected_queue; ptr;
-	 ptr = NEXT(ptr)) {
-	pos = lprint_Scsi_Cmnd (ptr, pos, buffer, length);
+	SPRINTF("scsi%d: disconnected_queue\n", HOSTNO);
 	check_offset();
-    }
+	for (ptr = (Scsi_Cmnd *) hostdata->disconnected_queue; ptr;
+	     ptr = NEXT(ptr)) {
+		pos = lprint_Scsi_Cmnd(ptr, pos, buffer, length);
+		check_offset();
+	}
 
-    local_irq_restore(flags);
-    *start = buffer + (offset - begin);
-    if (pos - buffer < offset - begin)
-	return 0;
-    else if (pos - buffer - (offset - begin) < length)
-	return pos - buffer - (offset - begin);
-    return length;
+	local_irq_restore(flags);
+	*start = buffer + (offset - begin);
+	if (pos - buffer < offset - begin)
+		return 0;
+	else if (pos - buffer - (offset - begin) < length)
+		return pos - buffer - (offset - begin);
+	return length;
 }
 
-static char *
-lprint_Scsi_Cmnd (Scsi_Cmnd *cmd, char *pos, char *buffer, int length)
+static char *lprint_Scsi_Cmnd(Scsi_Cmnd *cmd, char *pos, char *buffer, int length)
 {
-    int i, s;
-    unsigned char *command;
-    SPRINTF("scsi%d: destination target %d, lun %d\n",
-	    H_NO(cmd), cmd->device->id, cmd->device->lun);
-    SPRINTF("        command = ");
-    command = cmd->cmnd;
-    SPRINTF("%2d (0x%02x)", command[0], command[0]);
-    for (i = 1, s = COMMAND_SIZE(command[0]); i < s; ++i)
-	SPRINTF(" %02x", command[i]);
-    SPRINTF("\n");
-    return pos;
+	int i, s;
+	unsigned char *command;
+	SPRINTF("scsi%d: destination target %d, lun %d\n",
+		H_NO(cmd), cmd->device->id, cmd->device->lun);
+	SPRINTF("        command = ");
+	command = cmd->cmnd;
+	SPRINTF("%2d (0x%02x)", command[0], command[0]);
+	for (i = 1, s = COMMAND_SIZE(command[0]); i < s; ++i)
+		SPRINTF(" %02x", command[i]);
+	SPRINTF("\n");
+	return pos;
 }
 
 
-/* 
+/*
  * Function : void NCR5380_init (struct Scsi_Host *instance)
  *
  * Purpose : initializes *instance and corresponding 5380 chip.
  *
- * Inputs : instance - instantiation of the 5380 driver.  
+ * Inputs : instance - instantiation of the 5380 driver.
  *
  * Notes : I assume that the host, hostno, and id bits have been
- * 	set correctly.  I don't care about the irq and other fields. 
- * 
+ *	set correctly.  I don't care about the irq and other fields.
+ *
  */
 
-static int NCR5380_init (struct Scsi_Host *instance, int flags)
+static int NCR5380_init(struct Scsi_Host *instance, int flags)
 {
-    int i;
-    SETUP_HOSTDATA(instance);
-
-    NCR5380_all_init();
-
-    hostdata->aborted = 0;
-    hostdata->id_mask = 1 << instance->this_id;
-    hostdata->id_higher_mask = 0;
-    for (i = hostdata->id_mask; i <= 0x80; i <<= 1)
-	if (i > hostdata->id_mask)
-	    hostdata->id_higher_mask |= i;
-    for (i = 0; i < 8; ++i)
-	hostdata->busy[i] = 0;
+	int i;
+	SETUP_HOSTDATA(instance);
+
+	NCR5380_all_init();
+
+	hostdata->aborted = 0;
+	hostdata->id_mask = 1 << instance->this_id;
+	hostdata->id_higher_mask = 0;
+	for (i = hostdata->id_mask; i <= 0x80; i <<= 1)
+		if (i > hostdata->id_mask)
+			hostdata->id_higher_mask |= i;
+	for (i = 0; i < 8; ++i)
+		hostdata->busy[i] = 0;
 #ifdef SUPPORT_TAGS
-    init_tags();
+	init_tags();
 #endif
 #if defined (REAL_DMA)
-    hostdata->dma_len = 0;
+	hostdata->dma_len = 0;
 #endif
-    hostdata->targets_present = 0;
-    hostdata->connected = NULL;
-    hostdata->issue_queue = NULL;
-    hostdata->disconnected_queue = NULL;
-    hostdata->flags = FLAG_CHECK_LAST_BYTE_SENT;
-
-    if (!the_template) {
-	the_template = instance->hostt;
-	first_instance = instance;
-    }
-	
+	hostdata->targets_present = 0;
+	hostdata->connected = NULL;
+	hostdata->issue_queue = NULL;
+	hostdata->disconnected_queue = NULL;
+	hostdata->flags = FLAG_CHECK_LAST_BYTE_SENT;
+
+	if (!the_template) {
+		the_template = instance->hostt;
+		first_instance = instance;
+	}
 
 #ifndef AUTOSENSE
-    if ((instance->cmd_per_lun > 1) || (instance->can_queue > 1))
-	 printk("scsi%d: WARNING : support for multiple outstanding commands enabled\n"
-	        "        without AUTOSENSE option, contingent allegiance conditions may\n"
-	        "        be incorrectly cleared.\n", HOSTNO);
+	if ((instance->cmd_per_lun > 1) || (instance->can_queue > 1))
+		printk("scsi%d: WARNING : support for multiple outstanding commands enabled\n"
+		       "        without AUTOSENSE option, contingent allegiance conditions may\n"
+		       "        be incorrectly cleared.\n", HOSTNO);
 #endif /* def AUTOSENSE */
 
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-    NCR5380_write(MODE_REG, MR_BASE);
-    NCR5380_write(TARGET_COMMAND_REG, 0);
-    NCR5380_write(SELECT_ENABLE_REG, 0);
+	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+	NCR5380_write(MODE_REG, MR_BASE);
+	NCR5380_write(TARGET_COMMAND_REG, 0);
+	NCR5380_write(SELECT_ENABLE_REG, 0);
 
-    return 0;
+	return 0;
 }
 
-/* 
+/*
  * our own old-style timeout update
  */
 /*
@@ -890,331 +905,328 @@ static int NCR5380_init (struct Scsi_Host *instance, int flags)
 
 int atari_scsi_update_timeout(Scsi_Cmnd * SCset, int timeout)
 {
-    int rtn;
-
-    /*
-     * We are using the new error handling code to actually register/deregister
-     * timers for timeout.
-     */
-
-    if (!timer_pending(&SCset->eh_timeout)) {
-	rtn = 0;
-    } else {
-	rtn = SCset->eh_timeout.expires - jiffies;
-    }
-
-    if (timeout == 0) {
-        del_timer(&SCset->eh_timeout);
-        SCset->eh_timeout.data = (unsigned long) NULL;
-        SCset->eh_timeout.expires = 0;
-    } else {
-        if (SCset->eh_timeout.data != (unsigned long) NULL) 
-            del_timer(&SCset->eh_timeout);
-        SCset->eh_timeout.data = (unsigned long) SCset;
-        SCset->eh_timeout.expires = jiffies + timeout;
-        add_timer(&SCset->eh_timeout);
-    }
+	int rtn;
+
+	/*
+	 * We are using the new error handling code to actually register/deregister
+	 * timers for timeout.
+	 */
+
+	if (!timer_pending(&SCset->eh_timeout))
+		rtn = 0;
+	else
+		rtn = SCset->eh_timeout.expires - jiffies;
+
+	if (timeout == 0) {
+		del_timer(&SCset->eh_timeout);
+		SCset->eh_timeout.data = (unsigned long)NULL;
+		SCset->eh_timeout.expires = 0;
+	} else {
+		if (SCset->eh_timeout.data != (unsigned long)NULL)
+			del_timer(&SCset->eh_timeout);
+		SCset->eh_timeout.data = (unsigned long)SCset;
+		SCset->eh_timeout.expires = jiffies + timeout;
+		add_timer(&SCset->eh_timeout);
+	}
 	return rtn;
 }
 
-/* 
- * Function : int NCR5380_queue_command (Scsi_Cmnd *cmd, 
- *	void (*done)(Scsi_Cmnd *)) 
+/*
+ * Function : int NCR5380_queue_command (Scsi_Cmnd *cmd,
+ *	void (*done)(Scsi_Cmnd *))
  *
  * Purpose :  enqueues a SCSI command
  *
  * Inputs : cmd - SCSI command, done - function called on completion, with
  *	a pointer to the command descriptor.
- * 
+ *
  * Returns : 0
  *
- * Side effects : 
- *      cmd is added to the per instance issue_queue, with minor 
- *	twiddling done to the host specific fields of cmd.  If the 
+ * Side effects :
+ *      cmd is added to the per instance issue_queue, with minor
+ *	twiddling done to the host specific fields of cmd.  If the
  *	main coroutine is not running, it is restarted.
  *
  */
 
-static
-int NCR5380_queue_command (Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *))
+static int NCR5380_queue_command(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *))
 {
-    SETUP_HOSTDATA(cmd->device->host);
-    Scsi_Cmnd *tmp;
-    int oldto;
-    unsigned long flags;
-    // extern int update_timeout(Scsi_Cmnd * SCset, int timeout);
+	SETUP_HOSTDATA(cmd->device->host);
+	Scsi_Cmnd *tmp;
+	int oldto;
+	unsigned long flags;
+	// extern int update_timeout(Scsi_Cmnd * SCset, int timeout);
 
 #if (NDEBUG & NDEBUG_NO_WRITE)
-    switch (cmd->cmnd[0]) {
-    case WRITE_6:
-    case WRITE_10:
-	printk(KERN_NOTICE "scsi%d: WRITE attempted with NO_WRITE debugging flag set\n",
-	       H_NO(cmd));
-	cmd->result = (DID_ERROR << 16);
-	done(cmd);
-	return 0;
-    }
+	switch (cmd->cmnd[0]) {
+	case WRITE_6:
+	case WRITE_10:
+		printk(KERN_NOTICE "scsi%d: WRITE attempted with NO_WRITE debugging flag set\n",
+		       H_NO(cmd));
+		cmd->result = (DID_ERROR << 16);
+		done(cmd);
+		return 0;
+	}
 #endif /* (NDEBUG & NDEBUG_NO_WRITE) */
 
-
 #ifdef NCR5380_STATS
 # if 0
-    if (!hostdata->connected && !hostdata->issue_queue &&
-	!hostdata->disconnected_queue) {
-	hostdata->timebase = jiffies;
-    }
+	if (!hostdata->connected && !hostdata->issue_queue &&
+	    !hostdata->disconnected_queue) {
+		hostdata->timebase = jiffies;
+	}
 # endif
 # ifdef NCR5380_STAT_LIMIT
-    if (cmd->request_bufflen > NCR5380_STAT_LIMIT)
+	if (cmd->request_bufflen > NCR5380_STAT_LIMIT)
 # endif
-	switch (cmd->cmnd[0])
-	{
-	    case WRITE:
-	    case WRITE_6:
-	    case WRITE_10:
-		hostdata->time_write[cmd->device->id] -= (jiffies - hostdata->timebase);
-		hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;
-		hostdata->pendingw++;
-		break;
-	    case READ:
-	    case READ_6:
-	    case READ_10:
-		hostdata->time_read[cmd->device->id] -= (jiffies - hostdata->timebase);
-		hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;
-		hostdata->pendingr++;
-		break;
-	}
+		switch (cmd->cmnd[0]) {
+		case WRITE:
+		case WRITE_6:
+		case WRITE_10:
+			hostdata->time_write[cmd->device->id] -= (jiffies - hostdata->timebase);
+			hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;
+			hostdata->pendingw++;
+			break;
+		case READ:
+		case READ_6:
+		case READ_10:
+			hostdata->time_read[cmd->device->id] -= (jiffies - hostdata->timebase);
+			hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;
+			hostdata->pendingr++;
+			break;
+		}
 #endif
 
-    /* 
-     * We use the host_scribble field as a pointer to the next command  
-     * in a queue 
-     */
-
-    NEXT(cmd) = NULL;
-    cmd->scsi_done = done;
-
-    cmd->result = 0;
-
-
-    /* 
-     * Insert the cmd into the issue queue. Note that REQUEST SENSE 
-     * commands are added to the head of the queue since any command will
-     * clear the contingent allegiance condition that exists and the 
-     * sense data is only guaranteed to be valid while the condition exists.
-     */
-
-    local_irq_save(flags);
-    /* ++guenther: now that the issue queue is being set up, we can lock ST-DMA.
-     * Otherwise a running NCR5380_main may steal the lock.
-     * Lock before actually inserting due to fairness reasons explained in
-     * atari_scsi.c. If we insert first, then it's impossible for this driver
-     * to release the lock.
-     * Stop timer for this command while waiting for the lock, or timeouts
-     * may happen (and they really do), and it's no good if the command doesn't
-     * appear in any of the queues.
-     * ++roman: Just disabling the NCR interrupt isn't sufficient here,
-     * because also a timer int can trigger an abort or reset, which would
-     * alter queues and touch the lock.
-     */
-    if (!IS_A_TT()) {
-	oldto = atari_scsi_update_timeout(cmd, 0);
-	falcon_get_lock();
-	atari_scsi_update_timeout(cmd, oldto);
-    }
-    if (!(hostdata->issue_queue) || (cmd->cmnd[0] == REQUEST_SENSE)) {
-	LIST(cmd, hostdata->issue_queue);
-	NEXT(cmd) = hostdata->issue_queue;
-	hostdata->issue_queue = cmd;
-    } else {
-	for (tmp = (Scsi_Cmnd *)hostdata->issue_queue;
-	     NEXT(tmp); tmp = NEXT(tmp))
-	    ;
-	LIST(cmd, tmp);
-	NEXT(tmp) = cmd;
-    }
-    local_irq_restore(flags);
-
-    QU_PRINTK("scsi%d: command added to %s of queue\n", H_NO(cmd),
-	      (cmd->cmnd[0] == REQUEST_SENSE) ? "head" : "tail");
-
-    /* If queue_command() is called from an interrupt (real one or bottom
-     * half), we let queue_main() do the job of taking care about main. If it
-     * is already running, this is a no-op, else main will be queued.
-     *
-     * If we're not in an interrupt, we can call NCR5380_main()
-     * unconditionally, because it cannot be already running.
-     */
-    if (in_interrupt() || ((flags >> 8) & 7) >= 6)
-	queue_main();
-    else
-	NCR5380_main(NULL);
-    return 0;
+	/*
+	 * We use the host_scribble field as a pointer to the next command
+	 * in a queue
+	 */
+
+	NEXT(cmd) = NULL;
+	cmd->scsi_done = done;
+
+	cmd->result = 0;
+
+	/*
+	 * Insert the cmd into the issue queue. Note that REQUEST SENSE
+	 * commands are added to the head of the queue since any command will
+	 * clear the contingent allegiance condition that exists and the
+	 * sense data is only guaranteed to be valid while the condition exists.
+	 */
+
+	local_irq_save(flags);
+	/* ++guenther: now that the issue queue is being set up, we can lock ST-DMA.
+	 * Otherwise a running NCR5380_main may steal the lock.
+	 * Lock before actually inserting due to fairness reasons explained in
+	 * atari_scsi.c. If we insert first, then it's impossible for this driver
+	 * to release the lock.
+	 * Stop timer for this command while waiting for the lock, or timeouts
+	 * may happen (and they really do), and it's no good if the command doesn't
+	 * appear in any of the queues.
+	 * ++roman: Just disabling the NCR interrupt isn't sufficient here,
+	 * because also a timer int can trigger an abort or reset, which would
+	 * alter queues and touch the lock.
+	 */
+	if (!IS_A_TT()) {
+		oldto = atari_scsi_update_timeout(cmd, 0);
+		falcon_get_lock();
+		atari_scsi_update_timeout(cmd, oldto);
+	}
+	if (!(hostdata->issue_queue) || (cmd->cmnd[0] == REQUEST_SENSE)) {
+		LIST(cmd, hostdata->issue_queue);
+		NEXT(cmd) = hostdata->issue_queue;
+		hostdata->issue_queue = cmd;
+	} else {
+		for (tmp = (Scsi_Cmnd *)hostdata->issue_queue;
+		     NEXT(tmp); tmp = NEXT(tmp))
+			;
+		LIST(cmd, tmp);
+		NEXT(tmp) = cmd;
+	}
+	local_irq_restore(flags);
+
+	QU_PRINTK("scsi%d: command added to %s of queue\n", H_NO(cmd),
+		  (cmd->cmnd[0] == REQUEST_SENSE) ? "head" : "tail");
+
+	/* If queue_command() is called from an interrupt (real one or bottom
+	 * half), we let queue_main() do the job of taking care about main. If it
+	 * is already running, this is a no-op, else main will be queued.
+	 *
+	 * If we're not in an interrupt, we can call NCR5380_main()
+	 * unconditionally, because it cannot be already running.
+	 */
+	if (in_interrupt() || ((flags >> 8) & 7) >= 6)
+		queue_main();
+	else
+		NCR5380_main(NULL);
+	return 0;
 }
 
 /*
- * Function : NCR5380_main (void) 
+ * Function : NCR5380_main (void)
  *
- * Purpose : NCR5380_main is a coroutine that runs as long as more work can 
- *	be done on the NCR5380 host adapters in a system.  Both 
- *	NCR5380_queue_command() and NCR5380_intr() will try to start it 
+ * Purpose : NCR5380_main is a coroutine that runs as long as more work can
+ *	be done on the NCR5380 host adapters in a system.  Both
+ *	NCR5380_queue_command() and NCR5380_intr() will try to start it
  *	in case it is not running.
- * 
- * NOTE : NCR5380_main exits with interrupts *disabled*, the caller should 
+ *
+ * NOTE : NCR5380_main exits with interrupts *disabled*, the caller should
  *  reenable them.  This prevents reentrancy and kernel stack overflow.
- */ 	
-    
-static void NCR5380_main (void *bl)
+ */
+
+static void NCR5380_main(void *bl)
 {
-    Scsi_Cmnd *tmp, *prev;
-    struct Scsi_Host *instance = first_instance;
-    struct NCR5380_hostdata *hostdata = HOSTDATA(instance);
-    int done;
-    unsigned long flags;
-    
-    /*
-     * We run (with interrupts disabled) until we're sure that none of 
-     * the host adapters have anything that can be done, at which point 
-     * we set main_running to 0 and exit.
-     *
-     * Interrupts are enabled before doing various other internal 
-     * instructions, after we've decided that we need to run through
-     * the loop again.
-     *
-     * this should prevent any race conditions.
-     * 
-     * ++roman: Just disabling the NCR interrupt isn't sufficient here,
-     * because also a timer int can trigger an abort or reset, which can
-     * alter queues and touch the Falcon lock.
-     */
-
-    /* Tell int handlers main() is now already executing.  Note that
-       no races are possible here. If an int comes in before
-       'main_running' is set here, and queues/executes main via the
-       task queue, it doesn't do any harm, just this instance of main
-       won't find any work left to do. */
-    if (main_running)
-    	return;
-    main_running = 1;
-
-    local_save_flags(flags);
-    do {
-	local_irq_disable(); /* Freeze request queues */
-	done = 1;
-	
-	if (!hostdata->connected) {
-	    MAIN_PRINTK( "scsi%d: not connected\n", HOSTNO );
-	    /*
-	     * Search through the issue_queue for a command destined
-	     * for a target that's not busy.
-	     */
+	Scsi_Cmnd *tmp, *prev;
+	struct Scsi_Host *instance = first_instance;
+	struct NCR5380_hostdata *hostdata = HOSTDATA(instance);
+	int done;
+	unsigned long flags;
+
+	/*
+	 * We run (with interrupts disabled) until we're sure that none of
+	 * the host adapters have anything that can be done, at which point
+	 * we set main_running to 0 and exit.
+	 *
+	 * Interrupts are enabled before doing various other internal
+	 * instructions, after we've decided that we need to run through
+	 * the loop again.
+	 *
+	 * this should prevent any race conditions.
+	 *
+	 * ++roman: Just disabling the NCR interrupt isn't sufficient here,
+	 * because also a timer int can trigger an abort or reset, which can
+	 * alter queues and touch the Falcon lock.
+	 */
+
+	/* Tell int handlers main() is now already executing.  Note that
+	   no races are possible here. If an int comes in before
+	   'main_running' is set here, and queues/executes main via the
+	   task queue, it doesn't do any harm, just this instance of main
+	   won't find any work left to do. */
+	if (main_running)
+		return;
+	main_running = 1;
+
+	local_save_flags(flags);
+	do {
+		local_irq_disable();	/* Freeze request queues */
+		done = 1;
+
+		if (!hostdata->connected) {
+			MAIN_PRINTK("scsi%d: not connected\n", HOSTNO);
+			/*
+			 * Search through the issue_queue for a command destined
+			 * for a target that's not busy.
+			 */
 #if (NDEBUG & NDEBUG_LISTS)
-	    for (tmp = (Scsi_Cmnd *) hostdata->issue_queue, prev = NULL;
-		 tmp && (tmp != prev); prev = tmp, tmp = NEXT(tmp))
-		;
-		/*printk("%p  ", tmp);*/
-	    if ((tmp == prev) && tmp) printk(" LOOP\n");/* else printk("\n");*/
+			for (tmp = (Scsi_Cmnd *) hostdata->issue_queue, prev = NULL;
+			     tmp && (tmp != prev); prev = tmp, tmp = NEXT(tmp))
+				;
+			/*printk("%p  ", tmp);*/
+			if ((tmp == prev) && tmp)
+				printk(" LOOP\n");
+			/* else printk("\n"); */
 #endif
-	    for (tmp = (Scsi_Cmnd *) hostdata->issue_queue, 
-		 prev = NULL; tmp; prev = tmp, tmp = NEXT(tmp) ) {
+			for (tmp = (Scsi_Cmnd *) hostdata->issue_queue,
+			     prev = NULL; tmp; prev = tmp, tmp = NEXT(tmp)) {
 
 #if (NDEBUG & NDEBUG_LISTS)
-		if (prev != tmp)
-		    printk("MAIN tmp=%p   target=%d   busy=%d lun=%d\n",
-			   tmp, tmp->device->id, hostdata->busy[tmp->device->id],
-			   tmp->device->lun);
+				if (prev != tmp)
+					printk("MAIN tmp=%p   target=%d   busy=%d lun=%d\n",
+					       tmp, tmp->device->id, hostdata->busy[tmp->device->id],
+					       tmp->device->lun);
 #endif
-		/*  When we find one, remove it from the issue queue. */
-		/* ++guenther: possible race with Falcon locking */
-		if (
+				/*  When we find one, remove it from the issue queue. */
+				/* ++guenther: possible race with Falcon locking */
+				if (
 #ifdef SUPPORT_TAGS
-		    !is_lun_busy( tmp, tmp->cmnd[0] != REQUEST_SENSE)
+				    !is_lun_busy( tmp, tmp->cmnd[0] != REQUEST_SENSE)
 #else
-		    !(hostdata->busy[tmp->device->id] & (1 << tmp->device->lun))
+				    !(hostdata->busy[tmp->device->id] & (1 << tmp->device->lun))
 #endif
-		    ) {
-		    /* ++guenther: just to be sure, this must be atomic */
-		    local_irq_disable();
-		    if (prev) {
-		        REMOVE(prev, NEXT(prev), tmp, NEXT(tmp));
-			NEXT(prev) = NEXT(tmp);
-		    } else {
-		        REMOVE(-1, hostdata->issue_queue, tmp, NEXT(tmp));
-			hostdata->issue_queue = NEXT(tmp);
-		    }
-		    NEXT(tmp) = NULL;
-		    falcon_dont_release++;
-		    
-		    /* reenable interrupts after finding one */
-		    local_irq_restore(flags);
-		    
-		    /* 
-		     * Attempt to establish an I_T_L nexus here. 
-		     * On success, instance->hostdata->connected is set.
-		     * On failure, we must add the command back to the
-		     *   issue queue so we can keep trying.	
-		     */
-		    MAIN_PRINTK("scsi%d: main(): command for target %d "
-				"lun %d removed from issue_queue\n",
-				HOSTNO, tmp->device->id, tmp->device->lun);
-		    /* 
-		     * REQUEST SENSE commands are issued without tagged
-		     * queueing, even on SCSI-II devices because the 
-		     * contingent allegiance condition exists for the 
-		     * entire unit.
-		     */
-		    /* ++roman: ...and the standard also requires that
-		     * REQUEST SENSE command are untagged.
-		     */
-		    
+				    ) {
+					/* ++guenther: just to be sure, this must be atomic */
+					local_irq_disable();
+					if (prev) {
+						REMOVE(prev, NEXT(prev), tmp, NEXT(tmp));
+						NEXT(prev) = NEXT(tmp);
+					} else {
+						REMOVE(-1, hostdata->issue_queue, tmp, NEXT(tmp));
+						hostdata->issue_queue = NEXT(tmp);
+					}
+					NEXT(tmp) = NULL;
+					falcon_dont_release++;
+
+					/* reenable interrupts after finding one */
+					local_irq_restore(flags);
+
+					/*
+					 * Attempt to establish an I_T_L nexus here.
+					 * On success, instance->hostdata->connected is set.
+					 * On failure, we must add the command back to the
+					 *   issue queue so we can keep trying.
+					 */
+					MAIN_PRINTK("scsi%d: main(): command for target %d "
+						    "lun %d removed from issue_queue\n",
+						    HOSTNO, tmp->device->id, tmp->device->lun);
+					/*
+					 * REQUEST SENSE commands are issued without tagged
+					 * queueing, even on SCSI-II devices because the
+					 * contingent allegiance condition exists for the
+					 * entire unit.
+					 */
+					/* ++roman: ...and the standard also requires that
+					 * REQUEST SENSE command are untagged.
+					 */
+
 #ifdef SUPPORT_TAGS
-		    cmd_get_tag( tmp, tmp->cmnd[0] != REQUEST_SENSE );
+					cmd_get_tag(tmp, tmp->cmnd[0] != REQUEST_SENSE);
 #endif
-		    if (!NCR5380_select(instance, tmp, 
-			    (tmp->cmnd[0] == REQUEST_SENSE) ? TAG_NONE : 
-			    TAG_NEXT)) {
-			falcon_dont_release--;
-			/* release if target did not response! */
-			falcon_release_lock_if_possible( hostdata );
-			break;
-		    } else {
-			local_irq_disable();
-			LIST(tmp, hostdata->issue_queue);
-			NEXT(tmp) = hostdata->issue_queue;
-			hostdata->issue_queue = tmp;
+					if (!NCR5380_select(instance, tmp,
+					    (tmp->cmnd[0] == REQUEST_SENSE) ? TAG_NONE :
+					    TAG_NEXT)) {
+						falcon_dont_release--;
+						/* release if target did not response! */
+						falcon_release_lock_if_possible(hostdata);
+						break;
+					} else {
+						local_irq_disable();
+						LIST(tmp, hostdata->issue_queue);
+						NEXT(tmp) = hostdata->issue_queue;
+						hostdata->issue_queue = tmp;
 #ifdef SUPPORT_TAGS
-			cmd_free_tag( tmp );
+						cmd_free_tag(tmp);
 #endif
-			falcon_dont_release--;
-			local_irq_restore(flags);
-			MAIN_PRINTK("scsi%d: main(): select() failed, "
-				    "returned to issue_queue\n", HOSTNO);
-			if (hostdata->connected)
-			    break;
-		    }
-		} /* if target/lun/target queue is not busy */
-	    } /* for issue_queue */
-	} /* if (!hostdata->connected) */
-		
-	if (hostdata->connected 
+						falcon_dont_release--;
+						local_irq_restore(flags);
+						MAIN_PRINTK("scsi%d: main(): select() failed, "
+							    "returned to issue_queue\n", HOSTNO);
+						if (hostdata->connected)
+							break;
+					}
+				} /* if target/lun/target queue is not busy */
+			} /* for issue_queue */
+		} /* if (!hostdata->connected) */
+
+		if (hostdata->connected
 #ifdef REAL_DMA
-	    && !hostdata->dma_len
+		    && !hostdata->dma_len
 #endif
-	    ) {
-	    local_irq_restore(flags);
-	    MAIN_PRINTK("scsi%d: main: performing information transfer\n",
-			HOSTNO);
-	    NCR5380_information_transfer(instance);
-	    MAIN_PRINTK("scsi%d: main: done set false\n", HOSTNO);
-	    done = 0;
-	}
-    } while (!done);
+		    ) {
+			local_irq_restore(flags);
+			MAIN_PRINTK("scsi%d: main: performing information transfer\n",
+				    HOSTNO);
+			NCR5380_information_transfer(instance);
+			MAIN_PRINTK("scsi%d: main: done set false\n", HOSTNO);
+			done = 0;
+		}
+	} while (!done);
 
-    /* Better allow ints _after_ 'main_running' has been cleared, else
-       an interrupt could believe we'll pick up the work it left for
-       us, but we won't see it anymore here... */
-    main_running = 0;
-    local_irq_restore(flags);
+	/* Better allow ints _after_ 'main_running' has been cleared, else
+	   an interrupt could believe we'll pick up the work it left for
+	   us, but we won't see it anymore here... */
+	main_running = 0;
+	local_irq_restore(flags);
 }
 
 
@@ -1223,1441 +1235,1439 @@ static void NCR5380_main (void *bl)
  * Function : void NCR5380_dma_complete (struct Scsi_Host *instance)
  *
  * Purpose : Called by interrupt handler when DMA finishes or a phase
- *	mismatch occurs (which would finish the DMA transfer).  
+ *	mismatch occurs (which would finish the DMA transfer).
  *
  * Inputs : instance - this instance of the NCR5380.
  *
  */
 
-static void NCR5380_dma_complete( struct Scsi_Host *instance )
+static void NCR5380_dma_complete(struct Scsi_Host *instance)
 {
-    SETUP_HOSTDATA(instance);
-    int           transfered, saved_data = 0, overrun = 0, cnt, toPIO;
-    unsigned char **data, p;
-    volatile int  *count;
-
-    if (!hostdata->connected) {
-	printk(KERN_WARNING "scsi%d: received end of DMA interrupt with "
-	       "no connected cmd\n", HOSTNO);
-	return;
-    }
-    
-    if (atari_read_overruns) {
-	p = hostdata->connected->SCp.phase;
-	if (p & SR_IO) {
-	    udelay(10);
-	    if ((((NCR5380_read(BUS_AND_STATUS_REG)) &
-		  (BASR_PHASE_MATCH|BASR_ACK)) ==
-		 (BASR_PHASE_MATCH|BASR_ACK))) {
-		saved_data = NCR5380_read(INPUT_DATA_REG);
-		overrun = 1;
-		DMA_PRINTK("scsi%d: read overrun handled\n", HOSTNO);
-	    }
+	SETUP_HOSTDATA(instance);
+	int transfered, saved_data = 0, overrun = 0, cnt, toPIO;
+	unsigned char **data, p;
+	volatile int *count;
+
+	if (!hostdata->connected) {
+		printk(KERN_WARNING "scsi%d: received end of DMA interrupt with "
+		       "no connected cmd\n", HOSTNO);
+		return;
 	}
-    }
-
-    DMA_PRINTK("scsi%d: real DMA transfer complete, basr 0x%X, sr 0x%X\n",
-	       HOSTNO, NCR5380_read(BUS_AND_STATUS_REG),
-	       NCR5380_read(STATUS_REG));
-
-    (void) NCR5380_read(RESET_PARITY_INTERRUPT_REG);
-    NCR5380_write(MODE_REG, MR_BASE);
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-
-    transfered = hostdata->dma_len - NCR5380_dma_residual(instance);
-    hostdata->dma_len = 0;
-
-    data = (unsigned char **) &(hostdata->connected->SCp.ptr);
-    count = &(hostdata->connected->SCp.this_residual);
-    *data += transfered;
-    *count -= transfered;
-
-    if (atari_read_overruns) {
-	if ((NCR5380_read(STATUS_REG) & PHASE_MASK) == p && (p & SR_IO)) {
-	    cnt = toPIO = atari_read_overruns;
-	    if (overrun) {
-		DMA_PRINTK("Got an input overrun, using saved byte\n");
-		*(*data)++ = saved_data;
-		(*count)--;
-		cnt--;
-		toPIO--;
-	    }
-	    DMA_PRINTK("Doing %d-byte PIO to 0x%08lx\n", cnt, (long)*data);
-	    NCR5380_transfer_pio(instance, &p, &cnt, data);
-	    *count -= toPIO - cnt;
+
+	if (atari_read_overruns) {
+		p = hostdata->connected->SCp.phase;
+		if (p & SR_IO) {
+			udelay(10);
+			if ((NCR5380_read(BUS_AND_STATUS_REG) &
+			     (BASR_PHASE_MATCH|BASR_ACK)) ==
+			    (BASR_PHASE_MATCH|BASR_ACK)) {
+				saved_data = NCR5380_read(INPUT_DATA_REG);
+				overrun = 1;
+				DMA_PRINTK("scsi%d: read overrun handled\n", HOSTNO);
+			}
+		}
+	}
+
+	DMA_PRINTK("scsi%d: real DMA transfer complete, basr 0x%X, sr 0x%X\n",
+		   HOSTNO, NCR5380_read(BUS_AND_STATUS_REG),
+		   NCR5380_read(STATUS_REG));
+
+	(void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+	NCR5380_write(MODE_REG, MR_BASE);
+	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+
+	transfered = hostdata->dma_len - NCR5380_dma_residual(instance);
+	hostdata->dma_len = 0;
+
+	data = (unsigned char **)&hostdata->connected->SCp.ptr;
+	count = &hostdata->connected->SCp.this_residual;
+	*data += transfered;
+	*count -= transfered;
+
+	if (atari_read_overruns) {
+		if ((NCR5380_read(STATUS_REG) & PHASE_MASK) == p && (p & SR_IO)) {
+			cnt = toPIO = atari_read_overruns;
+			if (overrun) {
+				DMA_PRINTK("Got an input overrun, using saved byte\n");
+				*(*data)++ = saved_data;
+				(*count)--;
+				cnt--;
+				toPIO--;
+			}
+			DMA_PRINTK("Doing %d-byte PIO to 0x%08lx\n", cnt, (long)*data);
+			NCR5380_transfer_pio(instance, &p, &cnt, data);
+			*count -= toPIO - cnt;
+		}
 	}
-    }
 }
 #endif /* REAL_DMA */
 
 
 /*
  * Function : void NCR5380_intr (int irq)
- * 
+ *
  * Purpose : handle interrupts, reestablishing I_T_L or I_T_L_Q nexuses
- *	from the disconnected queue, and restarting NCR5380_main() 
+ *	from the disconnected queue, and restarting NCR5380_main()
  *	as required.
  *
  * Inputs : int irq, irq that caused this interrupt.
  *
  */
 
-static irqreturn_t NCR5380_intr (int irq, void *dev_id)
+static irqreturn_t NCR5380_intr(int irq, void *dev_id)
 {
-    struct Scsi_Host *instance = first_instance;
-    int done = 1, handled = 0;
-    unsigned char basr;
-
-    INT_PRINTK("scsi%d: NCR5380 irq triggered\n", HOSTNO);
-
-    /* Look for pending interrupts */
-    basr = NCR5380_read(BUS_AND_STATUS_REG);
-    INT_PRINTK("scsi%d: BASR=%02x\n", HOSTNO, basr);
-    /* dispatch to appropriate routine if found and done=0 */
-    if (basr & BASR_IRQ) {
-	NCR_PRINT(NDEBUG_INTR);
-	if ((NCR5380_read(STATUS_REG) & (SR_SEL|SR_IO)) == (SR_SEL|SR_IO)) {
-	    done = 0;
-	    ENABLE_IRQ();
-	    INT_PRINTK("scsi%d: SEL interrupt\n", HOSTNO);
-	    NCR5380_reselect(instance);
-	    (void) NCR5380_read(RESET_PARITY_INTERRUPT_REG);
-	}
-	else if (basr & BASR_PARITY_ERROR) {
-	    INT_PRINTK("scsi%d: PARITY interrupt\n", HOSTNO);
-	    (void) NCR5380_read(RESET_PARITY_INTERRUPT_REG);
-	}
-	else if ((NCR5380_read(STATUS_REG) & SR_RST) == SR_RST) {
-	    INT_PRINTK("scsi%d: RESET interrupt\n", HOSTNO);
-	    (void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
-	}
-	else {
-	    /*  
-	     * The rest of the interrupt conditions can occur only during a
-	     * DMA transfer
-	     */
+	struct Scsi_Host *instance = first_instance;
+	int done = 1, handled = 0;
+	unsigned char basr;
+
+	INT_PRINTK("scsi%d: NCR5380 irq triggered\n", HOSTNO);
+
+	/* Look for pending interrupts */
+	basr = NCR5380_read(BUS_AND_STATUS_REG);
+	INT_PRINTK("scsi%d: BASR=%02x\n", HOSTNO, basr);
+	/* dispatch to appropriate routine if found and done=0 */
+	if (basr & BASR_IRQ) {
+		NCR_PRINT(NDEBUG_INTR);
+		if ((NCR5380_read(STATUS_REG) & (SR_SEL|SR_IO)) == (SR_SEL|SR_IO)) {
+			done = 0;
+			ENABLE_IRQ();
+			INT_PRINTK("scsi%d: SEL interrupt\n", HOSTNO);
+			NCR5380_reselect(instance);
+			(void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+		} else if (basr & BASR_PARITY_ERROR) {
+			INT_PRINTK("scsi%d: PARITY interrupt\n", HOSTNO);
+			(void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+		} else if ((NCR5380_read(STATUS_REG) & SR_RST) == SR_RST) {
+			INT_PRINTK("scsi%d: RESET interrupt\n", HOSTNO);
+			(void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+		} else {
+			/*
+			 * The rest of the interrupt conditions can occur only during a
+			 * DMA transfer
+			 */
 
 #if defined(REAL_DMA)
-	    /*
-	     * We should only get PHASE MISMATCH and EOP interrupts if we have
-	     * DMA enabled, so do a sanity check based on the current setting
-	     * of the MODE register.
-	     */
-
-	    if ((NCR5380_read(MODE_REG) & MR_DMA_MODE) &&
-		((basr & BASR_END_DMA_TRANSFER) || 
-		 !(basr & BASR_PHASE_MATCH))) {
-		    
-		INT_PRINTK("scsi%d: PHASE MISM or EOP interrupt\n", HOSTNO);
-		NCR5380_dma_complete( instance );
-		done = 0;
-		ENABLE_IRQ();
-	    } else
+			/*
+			 * We should only get PHASE MISMATCH and EOP interrupts if we have
+			 * DMA enabled, so do a sanity check based on the current setting
+			 * of the MODE register.
+			 */
+
+			if ((NCR5380_read(MODE_REG) & MR_DMA_MODE) &&
+			    ((basr & BASR_END_DMA_TRANSFER) ||
+			     !(basr & BASR_PHASE_MATCH))) {
+
+				INT_PRINTK("scsi%d: PHASE MISM or EOP interrupt\n", HOSTNO);
+				NCR5380_dma_complete( instance );
+				done = 0;
+				ENABLE_IRQ();
+			} else
 #endif /* REAL_DMA */
-	    {
+			{
 /* MS: Ignore unknown phase mismatch interrupts (caused by EOP interrupt) */
-		if (basr & BASR_PHASE_MATCH)
-		    printk(KERN_NOTICE "scsi%d: unknown interrupt, "
-			   "BASR 0x%x, MR 0x%x, SR 0x%x\n",
-			   HOSTNO, basr, NCR5380_read(MODE_REG),
-			   NCR5380_read(STATUS_REG));
-		(void) NCR5380_read(RESET_PARITY_INTERRUPT_REG);
-	    }
-	} /* if !(SELECTION || PARITY) */
-	handled = 1;
-    } /* BASR & IRQ */
-    else {
-	printk(KERN_NOTICE "scsi%d: interrupt without IRQ bit set in BASR, "
-	       "BASR 0x%X, MR 0x%X, SR 0x%x\n", HOSTNO, basr,
-	       NCR5380_read(MODE_REG), NCR5380_read(STATUS_REG));
-	(void) NCR5380_read(RESET_PARITY_INTERRUPT_REG);
-    }
-    
-    if (!done) {
-	INT_PRINTK("scsi%d: in int routine, calling main\n", HOSTNO);
-	/* Put a call to NCR5380_main() on the queue... */
-	queue_main();
-    }
-    return IRQ_RETVAL(handled);
+				if (basr & BASR_PHASE_MATCH)
+					printk(KERN_NOTICE "scsi%d: unknown interrupt, "
+					       "BASR 0x%x, MR 0x%x, SR 0x%x\n",
+					       HOSTNO, basr, NCR5380_read(MODE_REG),
+					       NCR5380_read(STATUS_REG));
+				(void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+			}
+		} /* if !(SELECTION || PARITY) */
+		handled = 1;
+	} /* BASR & IRQ */ else {
+		printk(KERN_NOTICE "scsi%d: interrupt without IRQ bit set in BASR, "
+		       "BASR 0x%X, MR 0x%X, SR 0x%x\n", HOSTNO, basr,
+		       NCR5380_read(MODE_REG), NCR5380_read(STATUS_REG));
+		(void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+	}
+
+	if (!done) {
+		INT_PRINTK("scsi%d: in int routine, calling main\n", HOSTNO);
+		/* Put a call to NCR5380_main() on the queue... */
+		queue_main();
+	}
+	return IRQ_RETVAL(handled);
 }
 
 #ifdef NCR5380_STATS
-static void collect_stats(struct NCR5380_hostdata* hostdata, Scsi_Cmnd* cmd)
+static void collect_stats(struct NCR5380_hostdata* hostdata, Scsi_Cmnd *cmd)
 {
 # ifdef NCR5380_STAT_LIMIT
-    if (cmd->request_bufflen > NCR5380_STAT_LIMIT)
+	if (cmd->request_bufflen > NCR5380_STAT_LIMIT)
 # endif
-	switch (cmd->cmnd[0])
-	{
-	    case WRITE:
-	    case WRITE_6:
-	    case WRITE_10:
-		hostdata->time_write[cmd->device->id] += (jiffies - hostdata->timebase);
-		/*hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;*/
-		hostdata->pendingw--;
-		break;
-	    case READ:
-	    case READ_6:
-	    case READ_10:
-		hostdata->time_read[cmd->device->id] += (jiffies - hostdata->timebase);
-		/*hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;*/
-		hostdata->pendingr--;
-		break;
-	}
+		switch (cmd->cmnd[0]) {
+		case WRITE:
+		case WRITE_6:
+		case WRITE_10:
+			hostdata->time_write[cmd->device->id] += (jiffies - hostdata->timebase);
+			/*hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;*/
+			hostdata->pendingw--;
+			break;
+		case READ:
+		case READ_6:
+		case READ_10:
+			hostdata->time_read[cmd->device->id] += (jiffies - hostdata->timebase);
+			/*hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;*/
+			hostdata->pendingr--;
+			break;
+		}
 }
 #endif
 
-/* 
- * Function : int NCR5380_select (struct Scsi_Host *instance, Scsi_Cmnd *cmd, 
+/*
+ * Function : int NCR5380_select (struct Scsi_Host *instance, Scsi_Cmnd *cmd,
  *	int tag);
  *
  * Purpose : establishes I_T_L or I_T_L_Q nexus for new or existing command,
- *	including ARBITRATION, SELECTION, and initial message out for 
- *	IDENTIFY and queue messages. 
+ *	including ARBITRATION, SELECTION, and initial message out for
+ *	IDENTIFY and queue messages.
  *
- * Inputs : instance - instantiation of the 5380 driver on which this 
- * 	target lives, cmd - SCSI command to execute, tag - set to TAG_NEXT for 
- *	new tag, TAG_NONE for untagged queueing, otherwise set to the tag for 
+ * Inputs : instance - instantiation of the 5380 driver on which this
+ *	target lives, cmd - SCSI command to execute, tag - set to TAG_NEXT for
+ *	new tag, TAG_NONE for untagged queueing, otherwise set to the tag for
  *	the command that is presently connected.
- * 
+ *
  * Returns : -1 if selection could not execute for some reason,
- *	0 if selection succeeded or failed because the target 
- * 	did not respond.
+ *	0 if selection succeeded or failed because the target
+ *	did not respond.
  *
- * Side effects : 
- * 	If bus busy, arbitration failed, etc, NCR5380_select() will exit 
+ * Side effects :
+ *	If bus busy, arbitration failed, etc, NCR5380_select() will exit
  *		with registers as they should have been on entry - ie
  *		SELECT_ENABLE will be set appropriately, the NCR5380
  *		will cease to drive any SCSI bus signals.
  *
- *	If successful : I_T_L or I_T_L_Q nexus will be established, 
- *		instance->connected will be set to cmd.  
- * 		SELECT interrupt will be disabled.
+ *	If successful : I_T_L or I_T_L_Q nexus will be established,
+ *		instance->connected will be set to cmd.
+ *		SELECT interrupt will be disabled.
  *
- *	If failed (no target) : cmd->scsi_done() will be called, and the 
+ *	If failed (no target) : cmd->scsi_done() will be called, and the
  *		cmd->result host byte set to DID_BAD_TARGET.
  */
 
-static int NCR5380_select (struct Scsi_Host *instance, Scsi_Cmnd *cmd, int tag)
+static int NCR5380_select(struct Scsi_Host *instance, Scsi_Cmnd *cmd, int tag)
 {
-    SETUP_HOSTDATA(instance);
-    unsigned char tmp[3], phase;
-    unsigned char *data;
-    int len;
-    unsigned long timeout;
-    unsigned long flags;
-
-    hostdata->restart_select = 0;
-    NCR_PRINT(NDEBUG_ARBITRATION);
-    ARB_PRINTK("scsi%d: starting arbitration, id = %d\n", HOSTNO,
-	       instance->this_id);
-
-    /* 
-     * Set the phase bits to 0, otherwise the NCR5380 won't drive the 
-     * data bus during SELECTION.
-     */
-
-    local_irq_save(flags);
-    if (hostdata->connected) {
-	local_irq_restore(flags);
-	return -1;
-    }
-    NCR5380_write(TARGET_COMMAND_REG, 0);
+	SETUP_HOSTDATA(instance);
+	unsigned char tmp[3], phase;
+	unsigned char *data;
+	int len;
+	unsigned long timeout;
+	unsigned long flags;
+
+	hostdata->restart_select = 0;
+	NCR_PRINT(NDEBUG_ARBITRATION);
+	ARB_PRINTK("scsi%d: starting arbitration, id = %d\n", HOSTNO,
+		   instance->this_id);
+
+	/*
+	 * Set the phase bits to 0, otherwise the NCR5380 won't drive the
+	 * data bus during SELECTION.
+	 */
+
+	local_irq_save(flags);
+	if (hostdata->connected) {
+		local_irq_restore(flags);
+		return -1;
+	}
+	NCR5380_write(TARGET_COMMAND_REG, 0);
 
+	/*
+	 * Start arbitration.
+	 */
 
-    /* 
-     * Start arbitration.
-     */
-    
-    NCR5380_write(OUTPUT_DATA_REG, hostdata->id_mask);
-    NCR5380_write(MODE_REG, MR_ARBITRATE);
+	NCR5380_write(OUTPUT_DATA_REG, hostdata->id_mask);
+	NCR5380_write(MODE_REG, MR_ARBITRATE);
 
-    local_irq_restore(flags);
+	local_irq_restore(flags);
 
-    /* Wait for arbitration logic to complete */
+	/* Wait for arbitration logic to complete */
 #if defined(NCR_TIMEOUT)
-    {
-      unsigned long timeout = jiffies + 2*NCR_TIMEOUT;
-
-      while (!(NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_PROGRESS)
-	   && time_before(jiffies, timeout) && !hostdata->connected)
-	;
-      if (time_after_eq(jiffies, timeout))
-      {
-	printk("scsi : arbitration timeout at %d\n", __LINE__);
-	NCR5380_write(MODE_REG, MR_BASE);
-	NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-	return -1;
-      }
-    }
+	{
+		unsigned long timeout = jiffies + 2*NCR_TIMEOUT;
+
+		while (!(NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_PROGRESS) &&
+		       time_before(jiffies, timeout) && !hostdata->connected)
+			;
+		if (time_after_eq(jiffies, timeout)) {
+			printk("scsi : arbitration timeout at %d\n", __LINE__);
+			NCR5380_write(MODE_REG, MR_BASE);
+			NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+			return -1;
+		}
+	}
 #else /* NCR_TIMEOUT */
-    while (!(NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_PROGRESS)
-	 && !hostdata->connected);
+	while (!(NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_PROGRESS) &&
+	       !hostdata->connected)
+		;
 #endif
 
-    ARB_PRINTK("scsi%d: arbitration complete\n", HOSTNO);
-
-    if (hostdata->connected) {
-	NCR5380_write(MODE_REG, MR_BASE); 
-	return -1;
-    }
-    /* 
-     * The arbitration delay is 2.2us, but this is a minimum and there is 
-     * no maximum so we can safely sleep for ceil(2.2) usecs to accommodate
-     * the integral nature of udelay().
-     *
-     */
-
-    udelay(3);
-
-    /* Check for lost arbitration */
-    if ((NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_LOST) ||
-	(NCR5380_read(CURRENT_SCSI_DATA_REG) & hostdata->id_higher_mask) ||
-	(NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_LOST) ||
-	hostdata->connected) {
-	NCR5380_write(MODE_REG, MR_BASE); 
-	ARB_PRINTK("scsi%d: lost arbitration, deasserting MR_ARBITRATE\n",
-		   HOSTNO);
-	return -1;
-    }
-
-     /* after/during arbitration, BSY should be asserted.
-	IBM DPES-31080 Version S31Q works now */
-     /* Tnx to Thomas_Roesch@m2.maus.de for finding this! (Roman) */
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_SEL |
-					 ICR_ASSERT_BSY ) ;
-    
-    if ((NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_LOST) ||
-	hostdata->connected) {
-	NCR5380_write(MODE_REG, MR_BASE);
-	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-	ARB_PRINTK("scsi%d: lost arbitration, deasserting ICR_ASSERT_SEL\n",
-		   HOSTNO);
-	return -1;
-    }
+	ARB_PRINTK("scsi%d: arbitration complete\n", HOSTNO);
+
+	if (hostdata->connected) {
+		NCR5380_write(MODE_REG, MR_BASE);
+		return -1;
+	}
+	/*
+	 * The arbitration delay is 2.2us, but this is a minimum and there is
+	 * no maximum so we can safely sleep for ceil(2.2) usecs to accommodate
+	 * the integral nature of udelay().
+	 *
+	 */
+
+	udelay(3);
+
+	/* Check for lost arbitration */
+	if ((NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_LOST) ||
+	    (NCR5380_read(CURRENT_SCSI_DATA_REG) & hostdata->id_higher_mask) ||
+	    (NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_LOST) ||
+	    hostdata->connected) {
+		NCR5380_write(MODE_REG, MR_BASE);
+		ARB_PRINTK("scsi%d: lost arbitration, deasserting MR_ARBITRATE\n",
+			   HOSTNO);
+		return -1;
+	}
 
-    /* 
-     * Again, bus clear + bus settle time is 1.2us, however, this is 
-     * a minimum so we'll udelay ceil(1.2)
-     */
+	/* after/during arbitration, BSY should be asserted.
+	   IBM DPES-31080 Version S31Q works now */
+	/* Tnx to Thomas_Roesch@m2.maus.de for finding this! (Roman) */
+	NCR5380_write(INITIATOR_COMMAND_REG,
+		      ICR_BASE | ICR_ASSERT_SEL | ICR_ASSERT_BSY);
+
+	if ((NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_LOST) ||
+	    hostdata->connected) {
+		NCR5380_write(MODE_REG, MR_BASE);
+		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+		ARB_PRINTK("scsi%d: lost arbitration, deasserting ICR_ASSERT_SEL\n",
+			   HOSTNO);
+		return -1;
+	}
+
+	/*
+	 * Again, bus clear + bus settle time is 1.2us, however, this is
+	 * a minimum so we'll udelay ceil(1.2)
+	 */
 
 #ifdef CONFIG_ATARI_SCSI_TOSHIBA_DELAY
-    /* ++roman: But some targets (see above :-) seem to need a bit more... */
-    udelay(15);
+	/* ++roman: But some targets (see above :-) seem to need a bit more... */
+	udelay(15);
 #else
-    udelay(2);
+	udelay(2);
 #endif
-    
-    if (hostdata->connected) {
+
+	if (hostdata->connected) {
+		NCR5380_write(MODE_REG, MR_BASE);
+		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+		return -1;
+	}
+
+	ARB_PRINTK("scsi%d: won arbitration\n", HOSTNO);
+
+	/*
+	 * Now that we have won arbitration, start Selection process, asserting
+	 * the host and target ID's on the SCSI bus.
+	 */
+
+	NCR5380_write(OUTPUT_DATA_REG, (hostdata->id_mask | (1 << cmd->device->id)));
+
+	/*
+	 * Raise ATN while SEL is true before BSY goes false from arbitration,
+	 * since this is the only way to guarantee that we'll get a MESSAGE OUT
+	 * phase immediately after selection.
+	 */
+
+	NCR5380_write(INITIATOR_COMMAND_REG, (ICR_BASE | ICR_ASSERT_BSY |
+		      ICR_ASSERT_DATA | ICR_ASSERT_ATN | ICR_ASSERT_SEL ));
 	NCR5380_write(MODE_REG, MR_BASE);
-	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-	return -1;
-    }
 
-    ARB_PRINTK("scsi%d: won arbitration\n", HOSTNO);
+	/*
+	 * Reselect interrupts must be turned off prior to the dropping of BSY,
+	 * otherwise we will trigger an interrupt.
+	 */
+
+	if (hostdata->connected) {
+		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+		return -1;
+	}
+
+	NCR5380_write(SELECT_ENABLE_REG, 0);
 
-    /* 
-     * Now that we have won arbitration, start Selection process, asserting 
-     * the host and target ID's on the SCSI bus.
-     */
+	/*
+	 * The initiator shall then wait at least two deskew delays and release
+	 * the BSY signal.
+	 */
+	udelay(1);        /* wingel -- wait two bus deskew delay >2*45ns */
+
+	/* Reset BSY */
+	NCR5380_write(INITIATOR_COMMAND_REG, (ICR_BASE | ICR_ASSERT_DATA |
+		      ICR_ASSERT_ATN | ICR_ASSERT_SEL));
+
+	/*
+	 * Something weird happens when we cease to drive BSY - looks
+	 * like the board/chip is letting us do another read before the
+	 * appropriate propagation delay has expired, and we're confusing
+	 * a BSY signal from ourselves as the target's response to SELECTION.
+	 *
+	 * A small delay (the 'C++' frontend breaks the pipeline with an
+	 * unnecessary jump, making it work on my 386-33/Trantor T128, the
+	 * tighter 'C' code breaks and requires this) solves the problem -
+	 * the 1 us delay is arbitrary, and only used because this delay will
+	 * be the same on other platforms and since it works here, it should
+	 * work there.
+	 *
+	 * wingel suggests that this could be due to failing to wait
+	 * one deskew delay.
+	 */
 
-    NCR5380_write(OUTPUT_DATA_REG, (hostdata->id_mask | (1 << cmd->device->id)));
+	udelay(1);
 
-    /* 
-     * Raise ATN while SEL is true before BSY goes false from arbitration,
-     * since this is the only way to guarantee that we'll get a MESSAGE OUT
-     * phase immediately after selection.
-     */
+	SEL_PRINTK("scsi%d: selecting target %d\n", HOSTNO, cmd->device->id);
 
-    NCR5380_write(INITIATOR_COMMAND_REG, (ICR_BASE | ICR_ASSERT_BSY | 
-	ICR_ASSERT_DATA | ICR_ASSERT_ATN | ICR_ASSERT_SEL ));
-    NCR5380_write(MODE_REG, MR_BASE);
+	/*
+	 * The SCSI specification calls for a 250 ms timeout for the actual
+	 * selection.
+	 */
 
-    /* 
-     * Reselect interrupts must be turned off prior to the dropping of BSY,
-     * otherwise we will trigger an interrupt.
-     */
+	timeout = jiffies + 25;
 
-    if (hostdata->connected) {
-	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-	return -1;
-    }
-
-    NCR5380_write(SELECT_ENABLE_REG, 0);
-
-    /*
-     * The initiator shall then wait at least two deskew delays and release 
-     * the BSY signal.
-     */
-    udelay(1);        /* wingel -- wait two bus deskew delay >2*45ns */
-
-    /* Reset BSY */
-    NCR5380_write(INITIATOR_COMMAND_REG, (ICR_BASE | ICR_ASSERT_DATA | 
-	ICR_ASSERT_ATN | ICR_ASSERT_SEL));
-
-    /* 
-     * Something weird happens when we cease to drive BSY - looks
-     * like the board/chip is letting us do another read before the 
-     * appropriate propagation delay has expired, and we're confusing
-     * a BSY signal from ourselves as the target's response to SELECTION.
-     *
-     * A small delay (the 'C++' frontend breaks the pipeline with an
-     * unnecessary jump, making it work on my 386-33/Trantor T128, the
-     * tighter 'C' code breaks and requires this) solves the problem - 
-     * the 1 us delay is arbitrary, and only used because this delay will 
-     * be the same on other platforms and since it works here, it should 
-     * work there.
-     *
-     * wingel suggests that this could be due to failing to wait
-     * one deskew delay.
-     */
-
-    udelay(1);
-
-    SEL_PRINTK("scsi%d: selecting target %d\n", HOSTNO, cmd->device->id);
-
-    /* 
-     * The SCSI specification calls for a 250 ms timeout for the actual 
-     * selection.
-     */
-
-    timeout = jiffies + 25; 
-
-    /* 
-     * XXX very interesting - we're seeing a bounce where the BSY we 
-     * asserted is being reflected / still asserted (propagation delay?)
-     * and it's detecting as true.  Sigh.
-     */
+	/*
+	 * XXX very interesting - we're seeing a bounce where the BSY we
+	 * asserted is being reflected / still asserted (propagation delay?)
+	 * and it's detecting as true.  Sigh.
+	 */
 
 #if 0
-    /* ++roman: If a target conformed to the SCSI standard, it wouldn't assert
-     * IO while SEL is true. But again, there are some disks out the in the
-     * world that do that nevertheless. (Somebody claimed that this announces
-     * reselection capability of the target.) So we better skip that test and
-     * only wait for BSY... (Famous german words: Der Klügere gibt nach :-)
-     */
-
-    while (time_before(jiffies, timeout) && !(NCR5380_read(STATUS_REG) & 
-	(SR_BSY | SR_IO)));
-
-    if ((NCR5380_read(STATUS_REG) & (SR_SEL | SR_IO)) == 
-	    (SR_SEL | SR_IO)) {
-	    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-	    NCR5380_reselect(instance);
-	    printk (KERN_ERR "scsi%d: reselection after won arbitration?\n",
-		    HOSTNO);
-	    NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-	    return -1;
-    }
+	/* ++roman: If a target conformed to the SCSI standard, it wouldn't assert
+	 * IO while SEL is true. But again, there are some disks out the in the
+	 * world that do that nevertheless. (Somebody claimed that this announces
+	 * reselection capability of the target.) So we better skip that test and
+	 * only wait for BSY... (Famous german words: Der Klügere gibt nach :-)
+	 */
+
+	while (time_before(jiffies, timeout) &&
+	       !(NCR5380_read(STATUS_REG) & (SR_BSY | SR_IO)))
+		;
+
+	if ((NCR5380_read(STATUS_REG) & (SR_SEL | SR_IO)) == (SR_SEL | SR_IO)) {
+		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+		NCR5380_reselect(instance);
+		printk(KERN_ERR "scsi%d: reselection after won arbitration?\n",
+		       HOSTNO);
+		NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+		return -1;
+	}
 #else
-    while (time_before(jiffies, timeout) && !(NCR5380_read(STATUS_REG) & SR_BSY));
+	while (time_before(jiffies, timeout) && !(NCR5380_read(STATUS_REG) & SR_BSY))
+		;
 #endif
 
-    /* 
-     * No less than two deskew delays after the initiator detects the 
-     * BSY signal is true, it shall release the SEL signal and may 
-     * change the DATA BUS.                                     -wingel
-     */
+	/*
+	 * No less than two deskew delays after the initiator detects the
+	 * BSY signal is true, it shall release the SEL signal and may
+	 * change the DATA BUS.                                     -wingel
+	 */
 
-    udelay(1);
+	udelay(1);
 
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
+	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
 
-    if (!(NCR5380_read(STATUS_REG) & SR_BSY)) {
-	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-	if (hostdata->targets_present & (1 << cmd->device->id)) {
-	    printk(KERN_ERR "scsi%d: weirdness\n", HOSTNO);
-	    if (hostdata->restart_select)
-		printk(KERN_NOTICE "\trestart select\n");
-	    NCR_PRINT(NDEBUG_ANY);
-	    NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-	    return -1;
-	}
-	cmd->result = DID_BAD_TARGET << 16;
+	if (!(NCR5380_read(STATUS_REG) & SR_BSY)) {
+		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+		if (hostdata->targets_present & (1 << cmd->device->id)) {
+			printk(KERN_ERR "scsi%d: weirdness\n", HOSTNO);
+			if (hostdata->restart_select)
+				printk(KERN_NOTICE "\trestart select\n");
+			NCR_PRINT(NDEBUG_ANY);
+			NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+			return -1;
+		}
+		cmd->result = DID_BAD_TARGET << 16;
 #ifdef NCR5380_STATS
-	collect_stats(hostdata, cmd);
+		collect_stats(hostdata, cmd);
 #endif
 #ifdef SUPPORT_TAGS
-	cmd_free_tag( cmd );
+		cmd_free_tag(cmd);
 #endif
-	cmd->scsi_done(cmd);
-	NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-	SEL_PRINTK("scsi%d: target did not respond within 250ms\n", HOSTNO);
-	NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-	return 0;
-    } 
-
-    hostdata->targets_present |= (1 << cmd->device->id);
-
-    /*
-     * Since we followed the SCSI spec, and raised ATN while SEL 
-     * was true but before BSY was false during selection, the information
-     * transfer phase should be a MESSAGE OUT phase so that we can send the
-     * IDENTIFY message.
-     * 
-     * If SCSI-II tagged queuing is enabled, we also send a SIMPLE_QUEUE_TAG
-     * message (2 bytes) with a tag ID that we increment with every command
-     * until it wraps back to 0.
-     *
-     * XXX - it turns out that there are some broken SCSI-II devices,
-     *	     which claim to support tagged queuing but fail when more than
-     *	     some number of commands are issued at once.
-     */
-
-    /* Wait for start of REQ/ACK handshake */
-    while (!(NCR5380_read(STATUS_REG) & SR_REQ));
-
-    SEL_PRINTK("scsi%d: target %d selected, going into MESSAGE OUT phase.\n",
-	       HOSTNO, cmd->device->id);
-    tmp[0] = IDENTIFY(1, cmd->device->lun);
+		cmd->scsi_done(cmd);
+		NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+		SEL_PRINTK("scsi%d: target did not respond within 250ms\n", HOSTNO);
+		NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+		return 0;
+	}
+
+	hostdata->targets_present |= (1 << cmd->device->id);
+
+	/*
+	 * Since we followed the SCSI spec, and raised ATN while SEL
+	 * was true but before BSY was false during selection, the information
+	 * transfer phase should be a MESSAGE OUT phase so that we can send the
+	 * IDENTIFY message.
+	 *
+	 * If SCSI-II tagged queuing is enabled, we also send a SIMPLE_QUEUE_TAG
+	 * message (2 bytes) with a tag ID that we increment with every command
+	 * until it wraps back to 0.
+	 *
+	 * XXX - it turns out that there are some broken SCSI-II devices,
+	 *	     which claim to support tagged queuing but fail when more than
+	 *	     some number of commands are issued at once.
+	 */
+
+	/* Wait for start of REQ/ACK handshake */
+	while (!(NCR5380_read(STATUS_REG) & SR_REQ))
+		;
+
+	SEL_PRINTK("scsi%d: target %d selected, going into MESSAGE OUT phase.\n",
+		   HOSTNO, cmd->device->id);
+	tmp[0] = IDENTIFY(1, cmd->device->lun);
 
 #ifdef SUPPORT_TAGS
-    if (cmd->tag != TAG_NONE) {
-	tmp[1] = hostdata->last_message = SIMPLE_QUEUE_TAG;
-	tmp[2] = cmd->tag;
-	len = 3;
-    } else 
-	len = 1;
+	if (cmd->tag != TAG_NONE) {
+		tmp[1] = hostdata->last_message = SIMPLE_QUEUE_TAG;
+		tmp[2] = cmd->tag;
+		len = 3;
+	} else
+		len = 1;
 #else
-    len = 1;
-    cmd->tag=0;
+	len = 1;
+	cmd->tag = 0;
 #endif /* SUPPORT_TAGS */
 
-    /* Send message(s) */
-    data = tmp;
-    phase = PHASE_MSGOUT;
-    NCR5380_transfer_pio(instance, &phase, &len, &data);
-    SEL_PRINTK("scsi%d: nexus established.\n", HOSTNO);
-    /* XXX need to handle errors here */
-    hostdata->connected = cmd;
+	/* Send message(s) */
+	data = tmp;
+	phase = PHASE_MSGOUT;
+	NCR5380_transfer_pio(instance, &phase, &len, &data);
+	SEL_PRINTK("scsi%d: nexus established.\n", HOSTNO);
+	/* XXX need to handle errors here */
+	hostdata->connected = cmd;
 #ifndef SUPPORT_TAGS
-    hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
-#endif    
-
-    initialize_SCp(cmd);
+	hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
+#endif
 
+	initialize_SCp(cmd);
 
-    return 0;
+	return 0;
 }
 
-/* 
- * Function : int NCR5380_transfer_pio (struct Scsi_Host *instance, 
+/*
+ * Function : int NCR5380_transfer_pio (struct Scsi_Host *instance,
  *      unsigned char *phase, int *count, unsigned char **data)
  *
  * Purpose : transfers data in given phase using polled I/O
  *
- * Inputs : instance - instance of driver, *phase - pointer to 
- *	what phase is expected, *count - pointer to number of 
+ * Inputs : instance - instance of driver, *phase - pointer to
+ *	what phase is expected, *count - pointer to number of
  *	bytes to transfer, **data - pointer to data pointer.
- * 
+ *
  * Returns : -1 when different phase is entered without transferring
  *	maximum number of bytes, 0 if all bytes are transfered or exit
  *	is in same phase.
  *
- * 	Also, *phase, *count, *data are modified in place.
+ *	Also, *phase, *count, *data are modified in place.
  *
  * XXX Note : handling for bus free may be useful.
  */
 
 /*
- * Note : this code is not as quick as it could be, however it 
+ * Note : this code is not as quick as it could be, however it
  * IS 100% reliable, and for the actual data transfer where speed
  * counts, we will always do a pseudo DMA or DMA transfer.
  */
 
-static int NCR5380_transfer_pio( struct Scsi_Host *instance, 
-				 unsigned char *phase, int *count,
-				 unsigned char **data)
+static int NCR5380_transfer_pio(struct Scsi_Host *instance,
+				unsigned char *phase, int *count,
+				unsigned char **data)
 {
-    register unsigned char p = *phase, tmp;
-    register int c = *count;
-    register unsigned char *d = *data;
-
-    /* 
-     * The NCR5380 chip will only drive the SCSI bus when the 
-     * phase specified in the appropriate bits of the TARGET COMMAND
-     * REGISTER match the STATUS REGISTER
-     */
-
-    NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(p));
-
-    do {
-	/* 
-	 * Wait for assertion of REQ, after which the phase bits will be 
-	 * valid 
+	register unsigned char p = *phase, tmp;
+	register int c = *count;
+	register unsigned char *d = *data;
+
+	/*
+	 * The NCR5380 chip will only drive the SCSI bus when the
+	 * phase specified in the appropriate bits of the TARGET COMMAND
+	 * REGISTER match the STATUS REGISTER
 	 */
-	while (!((tmp = NCR5380_read(STATUS_REG)) & SR_REQ));
 
-	HSH_PRINTK("scsi%d: REQ detected\n", HOSTNO);
+	NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(p));
 
-	/* Check for phase mismatch */	
-	if ((tmp & PHASE_MASK) != p) {
-	    PIO_PRINTK("scsi%d: phase mismatch\n", HOSTNO);
-	    NCR_PRINT_PHASE(NDEBUG_PIO);
-	    break;
-	}
+	do {
+		/*
+		 * Wait for assertion of REQ, after which the phase bits will be
+		 * valid
+		 */
+		while (!((tmp = NCR5380_read(STATUS_REG)) & SR_REQ))
+			;
 
-	/* Do actual transfer from SCSI bus to / from memory */
-	if (!(p & SR_IO)) 
-	    NCR5380_write(OUTPUT_DATA_REG, *d);
-	else 
-	    *d = NCR5380_read(CURRENT_SCSI_DATA_REG);
+		HSH_PRINTK("scsi%d: REQ detected\n", HOSTNO);
 
-	++d;
+		/* Check for phase mismatch */
+		if ((tmp & PHASE_MASK) != p) {
+			PIO_PRINTK("scsi%d: phase mismatch\n", HOSTNO);
+			NCR_PRINT_PHASE(NDEBUG_PIO);
+			break;
+		}
 
-	/* 
-	 * The SCSI standard suggests that in MSGOUT phase, the initiator
-	 * should drop ATN on the last byte of the message phase
-	 * after REQ has been asserted for the handshake but before
-	 * the initiator raises ACK.
-	 */
+		/* Do actual transfer from SCSI bus to / from memory */
+		if (!(p & SR_IO))
+			NCR5380_write(OUTPUT_DATA_REG, *d);
+		else
+			*d = NCR5380_read(CURRENT_SCSI_DATA_REG);
 
-	if (!(p & SR_IO)) {
-	    if (!((p & SR_MSG) && c > 1)) {
-		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | 
-		    ICR_ASSERT_DATA);
-		NCR_PRINT(NDEBUG_PIO);
-		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | 
-			ICR_ASSERT_DATA | ICR_ASSERT_ACK);
-	    } else {
-		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE |
-		    ICR_ASSERT_DATA | ICR_ASSERT_ATN);
-		NCR_PRINT(NDEBUG_PIO);
-		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | 
-		    ICR_ASSERT_DATA | ICR_ASSERT_ATN | ICR_ASSERT_ACK);
-	    }
-	} else {
-	    NCR_PRINT(NDEBUG_PIO);
-	    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ACK);
-	}
+		++d;
 
-	while (NCR5380_read(STATUS_REG) & SR_REQ);
+		/*
+		 * The SCSI standard suggests that in MSGOUT phase, the initiator
+		 * should drop ATN on the last byte of the message phase
+		 * after REQ has been asserted for the handshake but before
+		 * the initiator raises ACK.
+		 */
 
-	HSH_PRINTK("scsi%d: req false, handshake complete\n", HOSTNO);
+		if (!(p & SR_IO)) {
+			if (!((p & SR_MSG) && c > 1)) {
+				NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_DATA);
+				NCR_PRINT(NDEBUG_PIO);
+				NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE |
+					      ICR_ASSERT_DATA | ICR_ASSERT_ACK);
+			} else {
+				NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE |
+					      ICR_ASSERT_DATA | ICR_ASSERT_ATN);
+				NCR_PRINT(NDEBUG_PIO);
+				NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE |
+					      ICR_ASSERT_DATA | ICR_ASSERT_ATN | ICR_ASSERT_ACK);
+			}
+		} else {
+			NCR_PRINT(NDEBUG_PIO);
+			NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ACK);
+		}
 
-/*
- * We have several special cases to consider during REQ/ACK handshaking : 
- * 1.  We were in MSGOUT phase, and we are on the last byte of the 
- *	message.  ATN must be dropped as ACK is dropped.
- *
- * 2.  We are in a MSGIN phase, and we are on the last byte of the  
- *	message.  We must exit with ACK asserted, so that the calling
- *	code may raise ATN before dropping ACK to reject the message.
- *
- * 3.  ACK and ATN are clear and the target may proceed as normal.
- */
-	if (!(p == PHASE_MSGIN && c == 1)) {  
-	    if (p == PHASE_MSGOUT && c > 1)
-		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
-	    else
-		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-	} 
-    } while (--c);
-
-    PIO_PRINTK("scsi%d: residual %d\n", HOSTNO, c);
-
-    *count = c;
-    *data = d;
-    tmp = NCR5380_read(STATUS_REG);
-    /* The phase read from the bus is valid if either REQ is (already)
-     * asserted or if ACK hasn't been released yet. The latter is the case if
-     * we're in MSGIN and all wanted bytes have been received. */
-    if ((tmp & SR_REQ) || (p == PHASE_MSGIN && c == 0))
-	*phase = tmp & PHASE_MASK;
-    else 
-	*phase = PHASE_UNKNOWN;
-
-    if (!c || (*phase == p))
-	return 0;
-    else 
-	return -1;
+		while (NCR5380_read(STATUS_REG) & SR_REQ)
+			;
+
+		HSH_PRINTK("scsi%d: req false, handshake complete\n", HOSTNO);
+
+		/*
+		 * We have several special cases to consider during REQ/ACK handshaking :
+		 * 1.  We were in MSGOUT phase, and we are on the last byte of the
+		 *	message.  ATN must be dropped as ACK is dropped.
+		 *
+		 * 2.  We are in a MSGIN phase, and we are on the last byte of the
+		 *	message.  We must exit with ACK asserted, so that the calling
+		 *	code may raise ATN before dropping ACK to reject the message.
+		 *
+		 * 3.  ACK and ATN are clear and the target may proceed as normal.
+		 */
+		if (!(p == PHASE_MSGIN && c == 1)) {
+			if (p == PHASE_MSGOUT && c > 1)
+				NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
+			else
+				NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+		}
+	} while (--c);
+
+	PIO_PRINTK("scsi%d: residual %d\n", HOSTNO, c);
+
+	*count = c;
+	*data = d;
+	tmp = NCR5380_read(STATUS_REG);
+	/* The phase read from the bus is valid if either REQ is (already)
+	 * asserted or if ACK hasn't been released yet. The latter is the case if
+	 * we're in MSGIN and all wanted bytes have been received.
+	 */
+	if ((tmp & SR_REQ) || (p == PHASE_MSGIN && c == 0))
+		*phase = tmp & PHASE_MASK;
+	else
+		*phase = PHASE_UNKNOWN;
+
+	if (!c || (*phase == p))
+		return 0;
+	else
+		return -1;
 }
 
 /*
  * Function : do_abort (Scsi_Host *host)
- * 
- * Purpose : abort the currently established nexus.  Should only be 
- * 	called from a routine which can drop into a 
- * 
+ *
+ * Purpose : abort the currently established nexus.  Should only be
+ *	called from a routine which can drop into a
+ *
  * Returns : 0 on success, -1 on failure.
  */
 
-static int do_abort (struct Scsi_Host *host) 
+static int do_abort(struct Scsi_Host *host)
 {
-    unsigned char tmp, *msgptr, phase;
-    int len;
-
-    /* Request message out phase */
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
-
-    /* 
-     * Wait for the target to indicate a valid phase by asserting 
-     * REQ.  Once this happens, we'll have either a MSGOUT phase 
-     * and can immediately send the ABORT message, or we'll have some 
-     * other phase and will have to source/sink data.
-     * 
-     * We really don't care what value was on the bus or what value
-     * the target sees, so we just handshake.
-     */
-    
-    while (!(tmp = NCR5380_read(STATUS_REG)) & SR_REQ);
-
-    NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(tmp));
-
-    if ((tmp & PHASE_MASK) != PHASE_MSGOUT) {
-	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN | 
-		      ICR_ASSERT_ACK);
-	while (NCR5380_read(STATUS_REG) & SR_REQ);
+	unsigned char tmp, *msgptr, phase;
+	int len;
+
+	/* Request message out phase */
 	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
-    }
-   
-    tmp = ABORT;
-    msgptr = &tmp;
-    len = 1;
-    phase = PHASE_MSGOUT;
-    NCR5380_transfer_pio (host, &phase, &len, &msgptr);
-
-    /*
-     * If we got here, and the command completed successfully,
-     * we're about to go into bus free state.
-     */
-
-    return len ? -1 : 0;
+
+	/*
+	 * Wait for the target to indicate a valid phase by asserting
+	 * REQ.  Once this happens, we'll have either a MSGOUT phase
+	 * and can immediately send the ABORT message, or we'll have some
+	 * other phase and will have to source/sink data.
+	 *
+	 * We really don't care what value was on the bus or what value
+	 * the target sees, so we just handshake.
+	 */
+
+	while (!(tmp = NCR5380_read(STATUS_REG)) & SR_REQ)
+		;
+
+	NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(tmp));
+
+	if ((tmp & PHASE_MASK) != PHASE_MSGOUT) {
+		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN |
+			      ICR_ASSERT_ACK);
+		while (NCR5380_read(STATUS_REG) & SR_REQ)
+			;
+		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
+	}
+
+	tmp = ABORT;
+	msgptr = &tmp;
+	len = 1;
+	phase = PHASE_MSGOUT;
+	NCR5380_transfer_pio(host, &phase, &len, &msgptr);
+
+	/*
+	 * If we got here, and the command completed successfully,
+	 * we're about to go into bus free state.
+	 */
+
+	return len ? -1 : 0;
 }
 
 #if defined(REAL_DMA)
-/* 
- * Function : int NCR5380_transfer_dma (struct Scsi_Host *instance, 
+/*
+ * Function : int NCR5380_transfer_dma (struct Scsi_Host *instance,
  *      unsigned char *phase, int *count, unsigned char **data)
  *
  * Purpose : transfers data in given phase using either real
  *	or pseudo DMA.
  *
- * Inputs : instance - instance of driver, *phase - pointer to 
- *	what phase is expected, *count - pointer to number of 
+ * Inputs : instance - instance of driver, *phase - pointer to
+ *	what phase is expected, *count - pointer to number of
  *	bytes to transfer, **data - pointer to data pointer.
- * 
+ *
  * Returns : -1 when different phase is entered without transferring
  *	maximum number of bytes, 0 if all bytes or transfered or exit
  *	is in same phase.
  *
- * 	Also, *phase, *count, *data are modified in place.
+ *	Also, *phase, *count, *data are modified in place.
  *
  */
 
 
-static int NCR5380_transfer_dma( struct Scsi_Host *instance, 
-				 unsigned char *phase, int *count,
-				 unsigned char **data)
+static int NCR5380_transfer_dma(struct Scsi_Host *instance,
+				unsigned char *phase, int *count,
+				unsigned char **data)
 {
-    SETUP_HOSTDATA(instance);
-    register int c = *count;
-    register unsigned char p = *phase;
-    register unsigned char *d = *data;
-    unsigned char tmp;
-    unsigned long flags;
-
-    if ((tmp = (NCR5380_read(STATUS_REG) & PHASE_MASK)) != p) {
-        *phase = tmp;
-        return -1;
-    }
+	SETUP_HOSTDATA(instance);
+	register int c = *count;
+	register unsigned char p = *phase;
+	register unsigned char *d = *data;
+	unsigned char tmp;
+	unsigned long flags;
+
+	if ((tmp = (NCR5380_read(STATUS_REG) & PHASE_MASK)) != p) {
+		*phase = tmp;
+		return -1;
+	}
 
-    if (atari_read_overruns && (p & SR_IO)) {
-	c -= atari_read_overruns;
-    }
+	if (atari_read_overruns && (p & SR_IO))
+		c -= atari_read_overruns;
 
-    DMA_PRINTK("scsi%d: initializing DMA for %s, %d bytes %s %p\n",
-	       HOSTNO, (p & SR_IO) ? "reading" : "writing",
-	       c, (p & SR_IO) ? "to" : "from", d);
+	DMA_PRINTK("scsi%d: initializing DMA for %s, %d bytes %s %p\n",
+		   HOSTNO, (p & SR_IO) ? "reading" : "writing",
+		   c, (p & SR_IO) ? "to" : "from", d);
 
-    NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(p));
+	NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(p));
 
 #ifdef REAL_DMA
-    NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE | MR_ENABLE_EOP_INTR | MR_MONITOR_BSY);
+	NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE | MR_ENABLE_EOP_INTR | MR_MONITOR_BSY);
 #endif /* def REAL_DMA  */
 
-    if (IS_A_TT()) {
-	/* On the Medusa, it is a must to initialize the DMA before
-	 * starting the NCR. This is also the cleaner way for the TT.
-	 */
-	local_irq_save(flags);
-	hostdata->dma_len = (p & SR_IO) ?
-	    NCR5380_dma_read_setup(instance, d, c) : 
-	    NCR5380_dma_write_setup(instance, d, c);
-	local_irq_restore(flags);
-    }
-    
-    if (p & SR_IO)
-	NCR5380_write(START_DMA_INITIATOR_RECEIVE_REG, 0);
-    else {
-	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_DATA);
-	NCR5380_write(START_DMA_SEND_REG, 0);
-    }
-
-    if (!IS_A_TT()) {
-	/* On the Falcon, the DMA setup must be done after the last */
-	/* NCR access, else the DMA setup gets trashed!
-	 */
-	local_irq_save(flags);
-	hostdata->dma_len = (p & SR_IO) ?
-	    NCR5380_dma_read_setup(instance, d, c) : 
-	    NCR5380_dma_write_setup(instance, d, c);
-	local_irq_restore(flags);
-    }
-    return 0;
+	if (IS_A_TT()) {
+		/* On the Medusa, it is a must to initialize the DMA before
+		 * starting the NCR. This is also the cleaner way for the TT.
+		 */
+		local_irq_save(flags);
+		hostdata->dma_len = (p & SR_IO) ?
+			NCR5380_dma_read_setup(instance, d, c) :
+			NCR5380_dma_write_setup(instance, d, c);
+		local_irq_restore(flags);
+	}
+
+	if (p & SR_IO)
+		NCR5380_write(START_DMA_INITIATOR_RECEIVE_REG, 0);
+	else {
+		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_DATA);
+		NCR5380_write(START_DMA_SEND_REG, 0);
+	}
+
+	if (!IS_A_TT()) {
+		/* On the Falcon, the DMA setup must be done after the last */
+		/* NCR access, else the DMA setup gets trashed!
+		 */
+		local_irq_save(flags);
+		hostdata->dma_len = (p & SR_IO) ?
+			NCR5380_dma_read_setup(instance, d, c) :
+			NCR5380_dma_write_setup(instance, d, c);
+		local_irq_restore(flags);
+	}
+	return 0;
 }
 #endif /* defined(REAL_DMA) */
 
 /*
  * Function : NCR5380_information_transfer (struct Scsi_Host *instance)
  *
- * Purpose : run through the various SCSI phases and do as the target 
- * 	directs us to.  Operates on the currently connected command, 
+ * Purpose : run through the various SCSI phases and do as the target
+ *	directs us to.  Operates on the currently connected command,
  *	instance->connected.
  *
  * Inputs : instance, instance for which we are doing commands
  *
- * Side effects : SCSI things happen, the disconnected queue will be 
+ * Side effects : SCSI things happen, the disconnected queue will be
  *	modified if a command disconnects, *instance->connected will
  *	change.
  *
- * XXX Note : we need to watch for bus free or a reset condition here 
- * 	to recover from an unexpected bus free condition.
+ * XXX Note : we need to watch for bus free or a reset condition here
+ *	to recover from an unexpected bus free condition.
  */
- 
-static void NCR5380_information_transfer (struct Scsi_Host *instance)
+
+static void NCR5380_information_transfer(struct Scsi_Host *instance)
 {
-    SETUP_HOSTDATA(instance);
-    unsigned long flags;
-    unsigned char msgout = NOP;
-    int sink = 0;
-    int len;
+	SETUP_HOSTDATA(instance);
+	unsigned long flags;
+	unsigned char msgout = NOP;
+	int sink = 0;
+	int len;
 #if defined(REAL_DMA)
-    int transfersize;
+	int transfersize;
 #endif
-    unsigned char *data;
-    unsigned char phase, tmp, extended_msg[10], old_phase=0xff;
-    Scsi_Cmnd *cmd = (Scsi_Cmnd *) hostdata->connected;
+	unsigned char *data;
+	unsigned char phase, tmp, extended_msg[10], old_phase = 0xff;
+	Scsi_Cmnd *cmd = (Scsi_Cmnd *) hostdata->connected;
+
+	while (1) {
+		tmp = NCR5380_read(STATUS_REG);
+		/* We only have a valid SCSI phase when REQ is asserted */
+		if (tmp & SR_REQ) {
+			phase = (tmp & PHASE_MASK);
+			if (phase != old_phase) {
+				old_phase = phase;
+				NCR_PRINT_PHASE(NDEBUG_INFORMATION);
+			}
 
-    while (1) {
-	tmp = NCR5380_read(STATUS_REG);
-	/* We only have a valid SCSI phase when REQ is asserted */
-	if (tmp & SR_REQ) {
-	    phase = (tmp & PHASE_MASK); 
-	    if (phase != old_phase) {
-		old_phase = phase;
-		NCR_PRINT_PHASE(NDEBUG_INFORMATION);
-	    }
-	    
-	    if (sink && (phase != PHASE_MSGOUT)) {
-		NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(tmp));
-
-		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN | 
-		    ICR_ASSERT_ACK);
-		while (NCR5380_read(STATUS_REG) & SR_REQ);
-		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | 
-		    ICR_ASSERT_ATN);
-		sink = 0;
-		continue;
-	    }
-
-	    switch (phase) {
-	    case PHASE_DATAOUT:
+			if (sink && (phase != PHASE_MSGOUT)) {
+				NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(tmp));
+
+				NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN |
+					      ICR_ASSERT_ACK);
+				while (NCR5380_read(STATUS_REG) & SR_REQ)
+					;
+				NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE |
+					      ICR_ASSERT_ATN);
+				sink = 0;
+				continue;
+			}
+
+			switch (phase) {
+			case PHASE_DATAOUT:
 #if (NDEBUG & NDEBUG_NO_DATAOUT)
-		printk("scsi%d: NDEBUG_NO_DATAOUT set, attempted DATAOUT "
-		       "aborted\n", HOSTNO);
-		sink = 1;
-		do_abort(instance);
-		cmd->result = DID_ERROR  << 16;
-		cmd->done(cmd);
-		return;
+				printk("scsi%d: NDEBUG_NO_DATAOUT set, attempted DATAOUT "
+				       "aborted\n", HOSTNO);
+				sink = 1;
+				do_abort(instance);
+				cmd->result = DID_ERROR << 16;
+				cmd->done(cmd);
+				return;
 #endif
-	    case PHASE_DATAIN:
-		/* 
-		 * If there is no room left in the current buffer in the
-		 * scatter-gather list, move onto the next one.
-		 */
-
-		if (!cmd->SCp.this_residual && cmd->SCp.buffers_residual) {
-		    ++cmd->SCp.buffer;
-		    --cmd->SCp.buffers_residual;
-		    cmd->SCp.this_residual = cmd->SCp.buffer->length;
-		    cmd->SCp.ptr = page_address(cmd->SCp.buffer->page)+
-				   cmd->SCp.buffer->offset;
-		    /* ++roman: Try to merge some scatter-buffers if
-		     * they are at contiguous physical addresses.
-		     */
-		    merge_contiguous_buffers( cmd );
-		    INF_PRINTK("scsi%d: %d bytes and %d buffers left\n",
-			       HOSTNO, cmd->SCp.this_residual,
-			       cmd->SCp.buffers_residual);
-		}
-
-		/*
-		 * The preferred transfer method is going to be 
-		 * PSEUDO-DMA for systems that are strictly PIO,
-		 * since we can let the hardware do the handshaking.
-		 *
-		 * For this to work, we need to know the transfersize
-		 * ahead of time, since the pseudo-DMA code will sit
-		 * in an unconditional loop.
-		 */
-
-/* ++roman: I suggest, this should be
- *   #if def(REAL_DMA)
- * instead of leaving REAL_DMA out.
- */
+			case PHASE_DATAIN:
+				/*
+				 * If there is no room left in the current buffer in the
+				 * scatter-gather list, move onto the next one.
+				 */
+
+				if (!cmd->SCp.this_residual && cmd->SCp.buffers_residual) {
+					++cmd->SCp.buffer;
+					--cmd->SCp.buffers_residual;
+					cmd->SCp.this_residual = cmd->SCp.buffer->length;
+					cmd->SCp.ptr = page_address(cmd->SCp.buffer->page) +
+						   cmd->SCp.buffer->offset;
+					/* ++roman: Try to merge some scatter-buffers if
+					 * they are at contiguous physical addresses.
+					 */
+					merge_contiguous_buffers(cmd);
+					INF_PRINTK("scsi%d: %d bytes and %d buffers left\n",
+						   HOSTNO, cmd->SCp.this_residual,
+						   cmd->SCp.buffers_residual);
+				}
+
+				/*
+				 * The preferred transfer method is going to be
+				 * PSEUDO-DMA for systems that are strictly PIO,
+				 * since we can let the hardware do the handshaking.
+				 *
+				 * For this to work, we need to know the transfersize
+				 * ahead of time, since the pseudo-DMA code will sit
+				 * in an unconditional loop.
+				 */
+
+				/* ++roman: I suggest, this should be
+				 *   #if def(REAL_DMA)
+				 * instead of leaving REAL_DMA out.
+				 */
 
 #if defined(REAL_DMA)
-		if (!cmd->device->borken &&
-		    (transfersize = NCR5380_dma_xfer_len(instance,cmd,phase)) > 31) {
-		    len = transfersize;
-		    cmd->SCp.phase = phase;
-		    if (NCR5380_transfer_dma(instance, &phase,
-			&len, (unsigned char **) &cmd->SCp.ptr)) {
-			/*
-			 * If the watchdog timer fires, all future
-			 * accesses to this device will use the
-			 * polled-IO. */ 
-			printk(KERN_NOTICE "scsi%d: switching target %d "
-			       "lun %d to slow handshake\n", HOSTNO,
-			       cmd->device->id, cmd->device->lun);
-			cmd->device->borken = 1;
-			NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | 
-			    ICR_ASSERT_ATN);
-			sink = 1;
-			do_abort(instance);
-			cmd->result = DID_ERROR  << 16;
-			cmd->done(cmd);
-			/* XXX - need to source or sink data here, as appropriate */
-		    } else {
+				if (!cmd->device->borken &&
+				    (transfersize = NCR5380_dma_xfer_len(instance,cmd,phase)) > 31) {
+					len = transfersize;
+					cmd->SCp.phase = phase;
+					if (NCR5380_transfer_dma(instance, &phase,
+					    &len, (unsigned char **)&cmd->SCp.ptr)) {
+						/*
+						 * If the watchdog timer fires, all future
+						 * accesses to this device will use the
+						 * polled-IO. */
+						printk(KERN_NOTICE "scsi%d: switching target %d "
+							   "lun %d to slow handshake\n", HOSTNO,
+							   cmd->device->id, cmd->device->lun);
+						cmd->device->borken = 1;
+						NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE |
+							ICR_ASSERT_ATN);
+						sink = 1;
+						do_abort(instance);
+						cmd->result = DID_ERROR << 16;
+						cmd->done(cmd);
+						/* XXX - need to source or sink data here, as appropriate */
+					} else {
 #ifdef REAL_DMA
-			/* ++roman: When using real DMA,
-			 * information_transfer() should return after
-			 * starting DMA since it has nothing more to
-			 * do.
-			 */
-			return;
-#else			
-			cmd->SCp.this_residual -= transfersize - len;
+						/* ++roman: When using real DMA,
+						 * information_transfer() should return after
+						 * starting DMA since it has nothing more to
+						 * do.
+						 */
+						return;
+#else
+						cmd->SCp.this_residual -= transfersize - len;
 #endif
-		    }
-		} else
+					}
+				} else
 #endif /* defined(REAL_DMA) */
-		  NCR5380_transfer_pio(instance, &phase, 
-		    (int *) &cmd->SCp.this_residual, (unsigned char **)
-		    &cmd->SCp.ptr);
-		break;
-	    case PHASE_MSGIN:
-		len = 1;
-		data = &tmp;
-		NCR5380_write(SELECT_ENABLE_REG, 0); 	/* disable reselects */
-		NCR5380_transfer_pio(instance, &phase, &len, &data);
-		cmd->SCp.Message = tmp;
-
-		switch (tmp) {
-		/*
-		 * Linking lets us reduce the time required to get the 
-		 * next command out to the device, hopefully this will
-		 * mean we don't waste another revolution due to the delays
-		 * required by ARBITRATION and another SELECTION.
-		 *
-		 * In the current implementation proposal, low level drivers
-		 * merely have to start the next command, pointed to by 
-		 * next_link, done() is called as with unlinked commands.
-		 */
+					NCR5380_transfer_pio(instance, &phase,
+							     (int *)&cmd->SCp.this_residual,
+							     (unsigned char **)&cmd->SCp.ptr);
+				break;
+			case PHASE_MSGIN:
+				len = 1;
+				data = &tmp;
+				NCR5380_write(SELECT_ENABLE_REG, 0);	/* disable reselects */
+				NCR5380_transfer_pio(instance, &phase, &len, &data);
+				cmd->SCp.Message = tmp;
+
+				switch (tmp) {
+				/*
+				 * Linking lets us reduce the time required to get the
+				 * next command out to the device, hopefully this will
+				 * mean we don't waste another revolution due to the delays
+				 * required by ARBITRATION and another SELECTION.
+				 *
+				 * In the current implementation proposal, low level drivers
+				 * merely have to start the next command, pointed to by
+				 * next_link, done() is called as with unlinked commands.
+				 */
 #ifdef LINKED
-		case LINKED_CMD_COMPLETE:
-		case LINKED_FLG_CMD_COMPLETE:
-		    /* Accept message by clearing ACK */
-		    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-		    
-		    LNK_PRINTK("scsi%d: target %d lun %d linked command "
-			       "complete.\n", HOSTNO, cmd->device->id, cmd->device->lun);
-
-		    /* Enable reselect interrupts */
-		    NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-		    /*
-		     * Sanity check : A linked command should only terminate
-		     * with one of these messages if there are more linked
-		     * commands available.
-		     */
-
-		    if (!cmd->next_link) {
-			 printk(KERN_NOTICE "scsi%d: target %d lun %d "
-				"linked command complete, no next_link\n",
-				HOSTNO, cmd->device->id, cmd->device->lun);
-			    sink = 1;
-			    do_abort (instance);
-			    return;
-		    }
-
-		    initialize_SCp(cmd->next_link);
-		    /* The next command is still part of this process; copy it
-		     * and don't free it! */
-		    cmd->next_link->tag = cmd->tag;
-		    cmd->result = cmd->SCp.Status | (cmd->SCp.Message << 8); 
-		    LNK_PRINTK("scsi%d: target %d lun %d linked request "
-			       "done, calling scsi_done().\n",
-			       HOSTNO, cmd->device->id, cmd->device->lun);
+				case LINKED_CMD_COMPLETE:
+				case LINKED_FLG_CMD_COMPLETE:
+					/* Accept message by clearing ACK */
+					NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+
+					LNK_PRINTK("scsi%d: target %d lun %d linked command "
+						   "complete.\n", HOSTNO, cmd->device->id, cmd->device->lun);
+
+					/* Enable reselect interrupts */
+					NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+					/*
+					 * Sanity check : A linked command should only terminate
+					 * with one of these messages if there are more linked
+					 * commands available.
+					 */
+
+					if (!cmd->next_link) {
+						 printk(KERN_NOTICE "scsi%d: target %d lun %d "
+							"linked command complete, no next_link\n",
+							HOSTNO, cmd->device->id, cmd->device->lun);
+						sink = 1;
+						do_abort(instance);
+						return;
+					}
+
+					initialize_SCp(cmd->next_link);
+					/* The next command is still part of this process; copy it
+					 * and don't free it! */
+					cmd->next_link->tag = cmd->tag;
+					cmd->result = cmd->SCp.Status | (cmd->SCp.Message << 8);
+					LNK_PRINTK("scsi%d: target %d lun %d linked request "
+						   "done, calling scsi_done().\n",
+						   HOSTNO, cmd->device->id, cmd->device->lun);
 #ifdef NCR5380_STATS
-		    collect_stats(hostdata, cmd);
+					collect_stats(hostdata, cmd);
 #endif
-		    cmd->scsi_done(cmd);
-		    cmd = hostdata->connected;
-		    break;
+					cmd->scsi_done(cmd);
+					cmd = hostdata->connected;
+					break;
 #endif /* def LINKED */
-		case ABORT:
-		case COMMAND_COMPLETE: 
-		    /* Accept message by clearing ACK */
-		    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-		    /* ++guenther: possible race with Falcon locking */
-		    falcon_dont_release++;
-		    hostdata->connected = NULL;
-		    QU_PRINTK("scsi%d: command for target %d, lun %d "
-			      "completed\n", HOSTNO, cmd->device->id, cmd->device->lun);
+				case ABORT:
+				case COMMAND_COMPLETE:
+					/* Accept message by clearing ACK */
+					NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+					/* ++guenther: possible race with Falcon locking */
+					falcon_dont_release++;
+					hostdata->connected = NULL;
+					QU_PRINTK("scsi%d: command for target %d, lun %d "
+						  "completed\n", HOSTNO, cmd->device->id, cmd->device->lun);
 #ifdef SUPPORT_TAGS
-		    cmd_free_tag( cmd );
-		    if (status_byte(cmd->SCp.Status) == QUEUE_FULL) {
-			/* Turn a QUEUE FULL status into BUSY, I think the
-			 * mid level cannot handle QUEUE FULL :-( (The
-			 * command is retried after BUSY). Also update our
-			 * queue size to the number of currently issued
-			 * commands now.
-			 */
-			/* ++Andreas: the mid level code knows about
-			   QUEUE_FULL now. */
-			TAG_ALLOC *ta = &TagAlloc[cmd->device->id][cmd->device->lun];
-			TAG_PRINTK("scsi%d: target %d lun %d returned "
-				   "QUEUE_FULL after %d commands\n",
-				   HOSTNO, cmd->device->id, cmd->device->lun,
-				   ta->nr_allocated);
-			if (ta->queue_size > ta->nr_allocated)
-			    ta->nr_allocated = ta->queue_size;
-		    }
+					cmd_free_tag(cmd);
+					if (status_byte(cmd->SCp.Status) == QUEUE_FULL) {
+						/* Turn a QUEUE FULL status into BUSY, I think the
+						 * mid level cannot handle QUEUE FULL :-( (The
+						 * command is retried after BUSY). Also update our
+						 * queue size to the number of currently issued
+						 * commands now.
+						 */
+						/* ++Andreas: the mid level code knows about
+						   QUEUE_FULL now. */
+						TAG_ALLOC *ta = &TagAlloc[cmd->device->id][cmd->device->lun];
+						TAG_PRINTK("scsi%d: target %d lun %d returned "
+							   "QUEUE_FULL after %d commands\n",
+							   HOSTNO, cmd->device->id, cmd->device->lun,
+							   ta->nr_allocated);
+						if (ta->queue_size > ta->nr_allocated)
+							ta->nr_allocated = ta->queue_size;
+					}
 #else
-		    hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+					hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
 #endif
-		    /* Enable reselect interrupts */
-		    NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-
-		    /* 
-		     * I'm not sure what the correct thing to do here is : 
-		     * 
-		     * If the command that just executed is NOT a request 
-		     * sense, the obvious thing to do is to set the result
-		     * code to the values of the stored parameters.
-		     * 
-		     * If it was a REQUEST SENSE command, we need some way to
-		     * differentiate between the failure code of the original
-		     * and the failure code of the REQUEST sense - the obvious
-		     * case is success, where we fall through and leave the
-		     * result code unchanged.
-		     * 
-		     * The non-obvious place is where the REQUEST SENSE failed
-		     */
-
-		    if (cmd->cmnd[0] != REQUEST_SENSE) 
-			cmd->result = cmd->SCp.Status | (cmd->SCp.Message << 8); 
-		    else if (status_byte(cmd->SCp.Status) != GOOD)
-			cmd->result = (cmd->result & 0x00ffff) | (DID_ERROR << 16);
-		    
-#ifdef AUTOSENSE
-		    if ((cmd->cmnd[0] != REQUEST_SENSE) && 
-			(status_byte(cmd->SCp.Status) == CHECK_CONDITION)) {
-			ASEN_PRINTK("scsi%d: performing request sense\n",
-				    HOSTNO);
-			cmd->cmnd[0] = REQUEST_SENSE;
-			cmd->cmnd[1] &= 0xe0;
-			cmd->cmnd[2] = 0;
-			cmd->cmnd[3] = 0;
-			cmd->cmnd[4] = sizeof(cmd->sense_buffer);
-			cmd->cmnd[5] = 0;
-			cmd->cmd_len = COMMAND_SIZE(cmd->cmnd[0]);
-
-			cmd->use_sg = 0;
-			/* this is initialized from initialize_SCp 
-			cmd->SCp.buffer = NULL;
-			cmd->SCp.buffers_residual = 0;
-			*/
-			cmd->request_buffer = (char *) cmd->sense_buffer;
-			cmd->request_bufflen = sizeof(cmd->sense_buffer);
+					/* Enable reselect interrupts */
+					NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+
+					/*
+					 * I'm not sure what the correct thing to do here is :
+					 *
+					 * If the command that just executed is NOT a request
+					 * sense, the obvious thing to do is to set the result
+					 * code to the values of the stored parameters.
+					 *
+					 * If it was a REQUEST SENSE command, we need some way to
+					 * differentiate between the failure code of the original
+					 * and the failure code of the REQUEST sense - the obvious
+					 * case is success, where we fall through and leave the
+					 * result code unchanged.
+					 *
+					 * The non-obvious place is where the REQUEST SENSE failed
+					 */
+
+					if (cmd->cmnd[0] != REQUEST_SENSE)
+						cmd->result = cmd->SCp.Status | (cmd->SCp.Message << 8);
+					else if (status_byte(cmd->SCp.Status) != GOOD)
+						cmd->result = (cmd->result & 0x00ffff) | (DID_ERROR << 16);
 
-			local_irq_save(flags);
-			LIST(cmd,hostdata->issue_queue);
-			NEXT(cmd) = hostdata->issue_queue;
-		        hostdata->issue_queue = (Scsi_Cmnd *) cmd;
-		        local_irq_restore(flags);
-			QU_PRINTK("scsi%d: REQUEST SENSE added to head of "
-				  "issue queue\n", H_NO(cmd));
-		   } else
+#ifdef AUTOSENSE
+					if ((cmd->cmnd[0] != REQUEST_SENSE) &&
+					    (status_byte(cmd->SCp.Status) == CHECK_CONDITION)) {
+						ASEN_PRINTK("scsi%d: performing request sense\n", HOSTNO);
+						cmd->cmnd[0] = REQUEST_SENSE;
+						cmd->cmnd[1] &= 0xe0;
+						cmd->cmnd[2] = 0;
+						cmd->cmnd[3] = 0;
+						cmd->cmnd[4] = sizeof(cmd->sense_buffer);
+						cmd->cmnd[5] = 0;
+						cmd->cmd_len = COMMAND_SIZE(cmd->cmnd[0]);
+
+						cmd->use_sg = 0;
+						/* this is initialized from initialize_SCp
+						cmd->SCp.buffer = NULL;
+						cmd->SCp.buffers_residual = 0;
+						*/
+						cmd->request_buffer = (char *) cmd->sense_buffer;
+						cmd->request_bufflen = sizeof(cmd->sense_buffer);
+
+						local_irq_save(flags);
+						LIST(cmd,hostdata->issue_queue);
+						NEXT(cmd) = hostdata->issue_queue;
+						hostdata->issue_queue = (Scsi_Cmnd *) cmd;
+						local_irq_restore(flags);
+						QU_PRINTK("scsi%d: REQUEST SENSE added to head of "
+							  "issue queue\n", H_NO(cmd));
+					} else
 #endif /* def AUTOSENSE */
-		   {
+					{
 #ifdef NCR5380_STATS
-		       collect_stats(hostdata, cmd);
+						collect_stats(hostdata, cmd);
 #endif
-		       cmd->scsi_done(cmd);
-		    }
-
-		    NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-		    /* 
-		     * Restore phase bits to 0 so an interrupted selection, 
-		     * arbitration can resume.
-		     */
-		    NCR5380_write(TARGET_COMMAND_REG, 0);
-		    
-		    while ((NCR5380_read(STATUS_REG) & SR_BSY) && !hostdata->connected)
-			barrier();
-
-		    falcon_dont_release--;
-		    /* ++roman: For Falcon SCSI, release the lock on the
-		     * ST-DMA here if no other commands are waiting on the
-		     * disconnected queue.
-		     */
-		    falcon_release_lock_if_possible( hostdata );
-		    return;
-		case MESSAGE_REJECT:
-		    /* Accept message by clearing ACK */
-		    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-		    /* Enable reselect interrupts */
-		    NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-		    switch (hostdata->last_message) {
-		    case HEAD_OF_QUEUE_TAG:
-		    case ORDERED_QUEUE_TAG:
-		    case SIMPLE_QUEUE_TAG:
-			/* The target obviously doesn't support tagged
-			 * queuing, even though it announced this ability in
-			 * its INQUIRY data ?!? (maybe only this LUN?) Ok,
-			 * clear 'tagged_supported' and lock the LUN, since
-			 * the command is treated as untagged further on.
-			 */
-			cmd->device->tagged_supported = 0;
-			hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
-			cmd->tag = TAG_NONE;
-			TAG_PRINTK("scsi%d: target %d lun %d rejected "
-				   "QUEUE_TAG message; tagged queuing "
-				   "disabled\n",
-				   HOSTNO, cmd->device->id, cmd->device->lun);
-			break;
-		    }
-		    break;
-		case DISCONNECT:
-		    /* Accept message by clearing ACK */
-		    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-		    local_irq_save(flags);
-		    cmd->device->disconnect = 1;
-		    LIST(cmd,hostdata->disconnected_queue);
-		    NEXT(cmd) = hostdata->disconnected_queue;
-		    hostdata->connected = NULL;
-		    hostdata->disconnected_queue = cmd;
-		    local_irq_restore(flags);
-		    QU_PRINTK("scsi%d: command for target %d lun %d was "
-			      "moved from connected to the "
-			      "disconnected_queue\n", HOSTNO, 
-			      cmd->device->id, cmd->device->lun);
-		    /* 
-		     * Restore phase bits to 0 so an interrupted selection, 
-		     * arbitration can resume.
-		     */
-		    NCR5380_write(TARGET_COMMAND_REG, 0);
-
-		    /* Enable reselect interrupts */
-		    NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-		    /* Wait for bus free to avoid nasty timeouts */
-		    while ((NCR5380_read(STATUS_REG) & SR_BSY) && !hostdata->connected)
-		    	barrier();
-		    return;
-		/* 
-		 * The SCSI data pointer is *IMPLICITLY* saved on a disconnect
-		 * operation, in violation of the SCSI spec so we can safely 
-		 * ignore SAVE/RESTORE pointers calls.
-		 *
-		 * Unfortunately, some disks violate the SCSI spec and 
-		 * don't issue the required SAVE_POINTERS message before
-		 * disconnecting, and we have to break spec to remain 
-		 * compatible.
-		 */
-		case SAVE_POINTERS:
-		case RESTORE_POINTERS:
-		    /* Accept message by clearing ACK */
-		    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-		    /* Enable reselect interrupts */
-		    NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-		    break;
-		case EXTENDED_MESSAGE:
-/* 
- * Extended messages are sent in the following format :
- * Byte 	
- * 0		EXTENDED_MESSAGE == 1
- * 1		length (includes one byte for code, doesn't 
- *		include first two bytes)
- * 2 		code
- * 3..length+1	arguments
- *
- * Start the extended message buffer with the EXTENDED_MESSAGE
- * byte, since spi_print_msg() wants the whole thing.  
- */
-		    extended_msg[0] = EXTENDED_MESSAGE;
-		    /* Accept first byte by clearing ACK */
-		    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-
-		    EXT_PRINTK("scsi%d: receiving extended message\n", HOSTNO);
-
-		    len = 2;
-		    data = extended_msg + 1;
-		    phase = PHASE_MSGIN;
-		    NCR5380_transfer_pio(instance, &phase, &len, &data);
-		    EXT_PRINTK("scsi%d: length=%d, code=0x%02x\n", HOSTNO,
-			       (int)extended_msg[1], (int)extended_msg[2]);
-
-		    if (!len && extended_msg[1] <= 
-			(sizeof (extended_msg) - 1)) {
-			/* Accept third byte by clearing ACK */
-			NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-			len = extended_msg[1] - 1;
-			data = extended_msg + 3;
-			phase = PHASE_MSGIN;
-
-			NCR5380_transfer_pio(instance, &phase, &len, &data);
-			EXT_PRINTK("scsi%d: message received, residual %d\n",
-				   HOSTNO, len);
-
-			switch (extended_msg[2]) {
-			case EXTENDED_SDTR:
-			case EXTENDED_WDTR:
-			case EXTENDED_MODIFY_DATA_POINTER:
-			case EXTENDED_EXTENDED_IDENTIFY:
-			    tmp = 0;
-			}
-		    } else if (len) {
-			printk(KERN_NOTICE "scsi%d: error receiving "
-			       "extended message\n", HOSTNO);
-			tmp = 0;
-		    } else {
-			printk(KERN_NOTICE "scsi%d: extended message "
-			       "code %02x length %d is too long\n",
-			       HOSTNO, extended_msg[2], extended_msg[1]);
-			tmp = 0;
-		    }
-		/* Fall through to reject message */
-
-		/* 
-  		 * If we get something weird that we aren't expecting, 
- 		 * reject it.
-		 */
-		default:
-		    if (!tmp) {
-			printk(KERN_DEBUG "scsi%d: rejecting message ", HOSTNO);
-			spi_print_msg(extended_msg);
-			printk("\n");
-		    } else if (tmp != EXTENDED_MESSAGE)
-			printk(KERN_DEBUG "scsi%d: rejecting unknown "
-			       "message %02x from target %d, lun %d\n",
-			       HOSTNO, tmp, cmd->device->id, cmd->device->lun);
-		    else
-			printk(KERN_DEBUG "scsi%d: rejecting unknown "
-			       "extended message "
-			       "code %02x, length %d from target %d, lun %d\n",
-			       HOSTNO, extended_msg[1], extended_msg[0],
-			       cmd->device->id, cmd->device->lun);
-   
-
-		    msgout = MESSAGE_REJECT;
-		    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | 
-			ICR_ASSERT_ATN);
-		    break;
-		} /* switch (tmp) */
-		break;
-	    case PHASE_MSGOUT:
-		len = 1;
-		data = &msgout;
-		hostdata->last_message = msgout;
-		NCR5380_transfer_pio(instance, &phase, &len, &data);
-		if (msgout == ABORT) {
+						cmd->scsi_done(cmd);
+					}
+
+					NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+					/*
+					 * Restore phase bits to 0 so an interrupted selection,
+					 * arbitration can resume.
+					 */
+					NCR5380_write(TARGET_COMMAND_REG, 0);
+
+					while ((NCR5380_read(STATUS_REG) & SR_BSY) && !hostdata->connected)
+						barrier();
+
+					falcon_dont_release--;
+					/* ++roman: For Falcon SCSI, release the lock on the
+					 * ST-DMA here if no other commands are waiting on the
+					 * disconnected queue.
+					 */
+					falcon_release_lock_if_possible(hostdata);
+					return;
+				case MESSAGE_REJECT:
+					/* Accept message by clearing ACK */
+					NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+					/* Enable reselect interrupts */
+					NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+					switch (hostdata->last_message) {
+					case HEAD_OF_QUEUE_TAG:
+					case ORDERED_QUEUE_TAG:
+					case SIMPLE_QUEUE_TAG:
+						/* The target obviously doesn't support tagged
+						 * queuing, even though it announced this ability in
+						 * its INQUIRY data ?!? (maybe only this LUN?) Ok,
+						 * clear 'tagged_supported' and lock the LUN, since
+						 * the command is treated as untagged further on.
+						 */
+						cmd->device->tagged_supported = 0;
+						hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
+						cmd->tag = TAG_NONE;
+						TAG_PRINTK("scsi%d: target %d lun %d rejected "
+							   "QUEUE_TAG message; tagged queuing "
+							   "disabled\n",
+							   HOSTNO, cmd->device->id, cmd->device->lun);
+						break;
+					}
+					break;
+				case DISCONNECT:
+					/* Accept message by clearing ACK */
+					NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+					local_irq_save(flags);
+					cmd->device->disconnect = 1;
+					LIST(cmd,hostdata->disconnected_queue);
+					NEXT(cmd) = hostdata->disconnected_queue;
+					hostdata->connected = NULL;
+					hostdata->disconnected_queue = cmd;
+					local_irq_restore(flags);
+					QU_PRINTK("scsi%d: command for target %d lun %d was "
+						  "moved from connected to the "
+						  "disconnected_queue\n", HOSTNO,
+						  cmd->device->id, cmd->device->lun);
+					/*
+					 * Restore phase bits to 0 so an interrupted selection,
+					 * arbitration can resume.
+					 */
+					NCR5380_write(TARGET_COMMAND_REG, 0);
+
+					/* Enable reselect interrupts */
+					NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+					/* Wait for bus free to avoid nasty timeouts */
+					while ((NCR5380_read(STATUS_REG) & SR_BSY) && !hostdata->connected)
+						barrier();
+					return;
+					/*
+					 * The SCSI data pointer is *IMPLICITLY* saved on a disconnect
+					 * operation, in violation of the SCSI spec so we can safely
+					 * ignore SAVE/RESTORE pointers calls.
+					 *
+					 * Unfortunately, some disks violate the SCSI spec and
+					 * don't issue the required SAVE_POINTERS message before
+					 * disconnecting, and we have to break spec to remain
+					 * compatible.
+					 */
+				case SAVE_POINTERS:
+				case RESTORE_POINTERS:
+					/* Accept message by clearing ACK */
+					NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+					/* Enable reselect interrupts */
+					NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+					break;
+				case EXTENDED_MESSAGE:
+					/*
+					 * Extended messages are sent in the following format :
+					 * Byte
+					 * 0		EXTENDED_MESSAGE == 1
+					 * 1		length (includes one byte for code, doesn't
+					 *		include first two bytes)
+					 * 2		code
+					 * 3..length+1	arguments
+					 *
+					 * Start the extended message buffer with the EXTENDED_MESSAGE
+					 * byte, since spi_print_msg() wants the whole thing.
+					 */
+					extended_msg[0] = EXTENDED_MESSAGE;
+					/* Accept first byte by clearing ACK */
+					NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+
+					EXT_PRINTK("scsi%d: receiving extended message\n", HOSTNO);
+
+					len = 2;
+					data = extended_msg + 1;
+					phase = PHASE_MSGIN;
+					NCR5380_transfer_pio(instance, &phase, &len, &data);
+					EXT_PRINTK("scsi%d: length=%d, code=0x%02x\n", HOSTNO,
+						   (int)extended_msg[1], (int)extended_msg[2]);
+
+					if (!len && extended_msg[1] <=
+					    (sizeof(extended_msg) - 1)) {
+						/* Accept third byte by clearing ACK */
+						NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+						len = extended_msg[1] - 1;
+						data = extended_msg + 3;
+						phase = PHASE_MSGIN;
+
+						NCR5380_transfer_pio(instance, &phase, &len, &data);
+						EXT_PRINTK("scsi%d: message received, residual %d\n",
+							   HOSTNO, len);
+
+						switch (extended_msg[2]) {
+						case EXTENDED_SDTR:
+						case EXTENDED_WDTR:
+						case EXTENDED_MODIFY_DATA_POINTER:
+						case EXTENDED_EXTENDED_IDENTIFY:
+							tmp = 0;
+						}
+					} else if (len) {
+						printk(KERN_NOTICE "scsi%d: error receiving "
+						       "extended message\n", HOSTNO);
+						tmp = 0;
+					} else {
+						printk(KERN_NOTICE "scsi%d: extended message "
+							   "code %02x length %d is too long\n",
+							   HOSTNO, extended_msg[2], extended_msg[1]);
+						tmp = 0;
+					}
+					/* Fall through to reject message */
+
+					/*
+					 * If we get something weird that we aren't expecting,
+					 * reject it.
+					 */
+				default:
+					if (!tmp) {
+						printk(KERN_DEBUG "scsi%d: rejecting message ", HOSTNO);
+						spi_print_msg(extended_msg);
+						printk("\n");
+					} else if (tmp != EXTENDED_MESSAGE)
+						printk(KERN_DEBUG "scsi%d: rejecting unknown "
+						       "message %02x from target %d, lun %d\n",
+						       HOSTNO, tmp, cmd->device->id, cmd->device->lun);
+					else
+						printk(KERN_DEBUG "scsi%d: rejecting unknown "
+						       "extended message "
+						       "code %02x, length %d from target %d, lun %d\n",
+						       HOSTNO, extended_msg[1], extended_msg[0],
+						       cmd->device->id, cmd->device->lun);
+
+
+					msgout = MESSAGE_REJECT;
+					NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
+					break;
+				} /* switch (tmp) */
+				break;
+			case PHASE_MSGOUT:
+				len = 1;
+				data = &msgout;
+				hostdata->last_message = msgout;
+				NCR5380_transfer_pio(instance, &phase, &len, &data);
+				if (msgout == ABORT) {
 #ifdef SUPPORT_TAGS
-		    cmd_free_tag( cmd );
+					cmd_free_tag(cmd);
 #else
-		    hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+					hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
 #endif
-		    hostdata->connected = NULL;
-		    cmd->result = DID_ERROR << 16;
+					hostdata->connected = NULL;
+					cmd->result = DID_ERROR << 16;
 #ifdef NCR5380_STATS
-		    collect_stats(hostdata, cmd);
+					collect_stats(hostdata, cmd);
 #endif
-		    cmd->scsi_done(cmd);
-		    NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-		    falcon_release_lock_if_possible( hostdata );
-		    return;
-		}
-		msgout = NOP;
-		break;
-	    case PHASE_CMDOUT:
-		len = cmd->cmd_len;
-		data = cmd->cmnd;
-		/* 
-		 * XXX for performance reasons, on machines with a 
-		 * PSEUDO-DMA architecture we should probably 
-		 * use the dma transfer function.  
-		 */
-		NCR5380_transfer_pio(instance, &phase, &len, 
-		    &data);
-		break;
-	    case PHASE_STATIN:
-		len = 1;
-		data = &tmp;
-		NCR5380_transfer_pio(instance, &phase, &len, &data);
-		cmd->SCp.Status = tmp;
-		break;
-	    default:
-		printk("scsi%d: unknown phase\n", HOSTNO);
-		NCR_PRINT(NDEBUG_ANY);
-	    } /* switch(phase) */
-	} /* if (tmp * SR_REQ) */ 
-    } /* while (1) */
+					cmd->scsi_done(cmd);
+					NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+					falcon_release_lock_if_possible(hostdata);
+					return;
+				}
+				msgout = NOP;
+				break;
+			case PHASE_CMDOUT:
+				len = cmd->cmd_len;
+				data = cmd->cmnd;
+				/*
+				 * XXX for performance reasons, on machines with a
+				 * PSEUDO-DMA architecture we should probably
+				 * use the dma transfer function.
+				 */
+				NCR5380_transfer_pio(instance, &phase, &len, &data);
+				break;
+			case PHASE_STATIN:
+				len = 1;
+				data = &tmp;
+				NCR5380_transfer_pio(instance, &phase, &len, &data);
+				cmd->SCp.Status = tmp;
+				break;
+			default:
+				printk("scsi%d: unknown phase\n", HOSTNO);
+				NCR_PRINT(NDEBUG_ANY);
+			} /* switch(phase) */
+		} /* if (tmp * SR_REQ) */
+	} /* while (1) */
 }
 
 /*
  * Function : void NCR5380_reselect (struct Scsi_Host *instance)
  *
- * Purpose : does reselection, initializing the instance->connected 
- *	field to point to the Scsi_Cmnd for which the I_T_L or I_T_L_Q 
+ * Purpose : does reselection, initializing the instance->connected
+ *	field to point to the Scsi_Cmnd for which the I_T_L or I_T_L_Q
  *	nexus has been reestablished,
- *	
+ *
  * Inputs : instance - this instance of the NCR5380.
  *
  */
 
 
-static void NCR5380_reselect (struct Scsi_Host *instance)
+static void NCR5380_reselect(struct Scsi_Host *instance)
 {
-    SETUP_HOSTDATA(instance);
-    unsigned char target_mask;
-    unsigned char lun, phase;
-    int len;
+	SETUP_HOSTDATA(instance);
+	unsigned char target_mask;
+	unsigned char lun, phase;
+	int len;
 #ifdef SUPPORT_TAGS
-    unsigned char tag;
+	unsigned char tag;
 #endif
-    unsigned char msg[3];
-    unsigned char *data;
-    Scsi_Cmnd *tmp = NULL, *prev;
-/*    unsigned long flags; */
-
-    /*
-     * Disable arbitration, etc. since the host adapter obviously
-     * lost, and tell an interrupted NCR5380_select() to restart.
-     */
-
-    NCR5380_write(MODE_REG, MR_BASE);
-    hostdata->restart_select = 1;
-
-    target_mask = NCR5380_read(CURRENT_SCSI_DATA_REG) & ~(hostdata->id_mask);
-
-    RSL_PRINTK("scsi%d: reselect\n", HOSTNO);
-
-    /* 
-     * At this point, we have detected that our SCSI ID is on the bus,
-     * SEL is true and BSY was false for at least one bus settle delay
-     * (400 ns).
-     *
-     * We must assert BSY ourselves, until the target drops the SEL
-     * signal.
-     */
-
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_BSY);
-    
-    while (NCR5380_read(STATUS_REG) & SR_SEL);
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-
-    /*
-     * Wait for target to go into MSGIN.
-     */
-
-    while (!(NCR5380_read(STATUS_REG) & SR_REQ));
-
-    len = 1;
-    data = msg;
-    phase = PHASE_MSGIN;
-    NCR5380_transfer_pio(instance, &phase, &len, &data);
-
-    if (!(msg[0] & 0x80)) {
-	printk(KERN_DEBUG "scsi%d: expecting IDENTIFY message, got ", HOSTNO);
-	spi_print_msg(msg);
-	do_abort(instance);
-	return;
-    }
-    lun = (msg[0] & 0x07);
+	unsigned char msg[3];
+	unsigned char *data;
+	Scsi_Cmnd *tmp = NULL, *prev;
+/*	unsigned long flags; */
+
+	/*
+	 * Disable arbitration, etc. since the host adapter obviously
+	 * lost, and tell an interrupted NCR5380_select() to restart.
+	 */
+
+	NCR5380_write(MODE_REG, MR_BASE);
+	hostdata->restart_select = 1;
+
+	target_mask = NCR5380_read(CURRENT_SCSI_DATA_REG) & ~(hostdata->id_mask);
+
+	RSL_PRINTK("scsi%d: reselect\n", HOSTNO);
+
+	/*
+	 * At this point, we have detected that our SCSI ID is on the bus,
+	 * SEL is true and BSY was false for at least one bus settle delay
+	 * (400 ns).
+	 *
+	 * We must assert BSY ourselves, until the target drops the SEL
+	 * signal.
+	 */
+
+	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_BSY);
+
+	while (NCR5380_read(STATUS_REG) & SR_SEL)
+		;
+	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+
+	/*
+	 * Wait for target to go into MSGIN.
+	 */
+
+	while (!(NCR5380_read(STATUS_REG) & SR_REQ))
+		;
+
+	len = 1;
+	data = msg;
+	phase = PHASE_MSGIN;
+	NCR5380_transfer_pio(instance, &phase, &len, &data);
+
+	if (!(msg[0] & 0x80)) {
+		printk(KERN_DEBUG "scsi%d: expecting IDENTIFY message, got ", HOSTNO);
+		spi_print_msg(msg);
+		do_abort(instance);
+		return;
+	}
+	lun = (msg[0] & 0x07);
 
 #ifdef SUPPORT_TAGS
-    /* If the phase is still MSGIN, the target wants to send some more
-     * messages. In case it supports tagged queuing, this is probably a
-     * SIMPLE_QUEUE_TAG for the I_T_L_Q nexus.
-     */
-    tag = TAG_NONE;
-    if (phase == PHASE_MSGIN && setup_use_tagged_queuing) {
-	/* Accept previous IDENTIFY message by clearing ACK */
-	NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE );
-	len = 2;
-	data = msg+1;
-	if (!NCR5380_transfer_pio(instance, &phase, &len, &data) &&
-	    msg[1] == SIMPLE_QUEUE_TAG)
-	    tag = msg[2];
-	TAG_PRINTK("scsi%d: target mask %02x, lun %d sent tag %d at "
-		   "reselection\n", HOSTNO, target_mask, lun, tag);
-    }
+	/* If the phase is still MSGIN, the target wants to send some more
+	 * messages. In case it supports tagged queuing, this is probably a
+	 * SIMPLE_QUEUE_TAG for the I_T_L_Q nexus.
+	 */
+	tag = TAG_NONE;
+	if (phase == PHASE_MSGIN && setup_use_tagged_queuing) {
+		/* Accept previous IDENTIFY message by clearing ACK */
+		NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+		len = 2;
+		data = msg + 1;
+		if (!NCR5380_transfer_pio(instance, &phase, &len, &data) &&
+		    msg[1] == SIMPLE_QUEUE_TAG)
+			tag = msg[2];
+		TAG_PRINTK("scsi%d: target mask %02x, lun %d sent tag %d at "
+			   "reselection\n", HOSTNO, target_mask, lun, tag);
+	}
 #endif
-    
-    /* 
-     * Find the command corresponding to the I_T_L or I_T_L_Q  nexus we 
-     * just reestablished, and remove it from the disconnected queue.
-     */
-
-    for (tmp = (Scsi_Cmnd *) hostdata->disconnected_queue, prev = NULL; 
-	 tmp; prev = tmp, tmp = NEXT(tmp) ) {
-	if ((target_mask == (1 << tmp->device->id)) && (lun == tmp->device->lun)
+
+	/*
+	 * Find the command corresponding to the I_T_L or I_T_L_Q  nexus we
+	 * just reestablished, and remove it from the disconnected queue.
+	 */
+
+	for (tmp = (Scsi_Cmnd *) hostdata->disconnected_queue, prev = NULL;
+	     tmp; prev = tmp, tmp = NEXT(tmp)) {
+		if ((target_mask == (1 << tmp->device->id)) && (lun == tmp->device->lun)
 #ifdef SUPPORT_TAGS
-	    && (tag == tmp->tag) 
+		    && (tag == tmp->tag)
 #endif
-	    ) {
-	    /* ++guenther: prevent race with falcon_release_lock */
-	    falcon_dont_release++;
-	    if (prev) {
-		REMOVE(prev, NEXT(prev), tmp, NEXT(tmp));
-		NEXT(prev) = NEXT(tmp);
-	    } else {
-		REMOVE(-1, hostdata->disconnected_queue, tmp, NEXT(tmp));
-		hostdata->disconnected_queue = NEXT(tmp);
-	    }
-	    NEXT(tmp) = NULL;
-	    break;
+		    ) {
+			/* ++guenther: prevent race with falcon_release_lock */
+			falcon_dont_release++;
+			if (prev) {
+				REMOVE(prev, NEXT(prev), tmp, NEXT(tmp));
+				NEXT(prev) = NEXT(tmp);
+			} else {
+				REMOVE(-1, hostdata->disconnected_queue, tmp, NEXT(tmp));
+				hostdata->disconnected_queue = NEXT(tmp);
+			}
+			NEXT(tmp) = NULL;
+			break;
+		}
 	}
-    }
-    
-    if (!tmp) {
-	printk(KERN_WARNING "scsi%d: warning: target bitmask %02x lun %d "
+
+	if (!tmp) {
+		printk(KERN_WARNING "scsi%d: warning: target bitmask %02x lun %d "
 #ifdef SUPPORT_TAGS
-		"tag %d "
+		       "tag %d "
 #endif
-		"not in disconnected_queue.\n",
-		HOSTNO, target_mask, lun
+		       "not in disconnected_queue.\n",
+		       HOSTNO, target_mask, lun
 #ifdef SUPPORT_TAGS
-		, tag
+		       , tag
 #endif
-		);
-	/* 
-	 * Since we have an established nexus that we can't do anything
-	 * with, we must abort it.  
-	 */
-	do_abort(instance);
-	return;
-    }
+			);
+		/*
+		 * Since we have an established nexus that we can't do anything
+		 * with, we must abort it.
+		 */
+		do_abort(instance);
+		return;
+	}
 
-    /* Accept message by clearing ACK */
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+	/* Accept message by clearing ACK */
+	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
 
-    hostdata->connected = tmp;
-    RSL_PRINTK("scsi%d: nexus established, target = %d, lun = %d, tag = %d\n",
-	       HOSTNO, tmp->device->id, tmp->device->lun, tmp->tag);
-    falcon_dont_release--;
+	hostdata->connected = tmp;
+	RSL_PRINTK("scsi%d: nexus established, target = %d, lun = %d, tag = %d\n",
+		   HOSTNO, tmp->device->id, tmp->device->lun, tmp->tag);
+	falcon_dont_release--;
 }
 
 
@@ -2666,362 +2676,361 @@ static void NCR5380_reselect (struct Scsi_Host *instance)
  *
  * Purpose : abort a command
  *
- * Inputs : cmd - the Scsi_Cmnd to abort, code - code to set the 
- * 	host byte of the result field to, if zero DID_ABORTED is 
+ * Inputs : cmd - the Scsi_Cmnd to abort, code - code to set the
+ *	host byte of the result field to, if zero DID_ABORTED is
  *	used.
  *
  * Returns : 0 - success, -1 on failure.
  *
- * XXX - there is no way to abort the command that is currently 
- * 	 connected, you have to wait for it to complete.  If this is 
+ * XXX - there is no way to abort the command that is currently
+ *	 connected, you have to wait for it to complete.  If this is
  *	 a problem, we could implement longjmp() / setjmp(), setjmp()
- * 	 called where the loop started in NCR5380_main().
+ *	 called where the loop started in NCR5380_main().
  */
 
 static
-int NCR5380_abort (Scsi_Cmnd *cmd)
+int NCR5380_abort(Scsi_Cmnd *cmd)
 {
-    struct Scsi_Host *instance = cmd->device->host;
-    SETUP_HOSTDATA(instance);
-    Scsi_Cmnd *tmp, **prev;
-    unsigned long flags;
+	struct Scsi_Host *instance = cmd->device->host;
+	SETUP_HOSTDATA(instance);
+	Scsi_Cmnd *tmp, **prev;
+	unsigned long flags;
 
-    printk(KERN_NOTICE "scsi%d: aborting command\n", HOSTNO);
-    scsi_print_command(cmd);
+	printk(KERN_NOTICE "scsi%d: aborting command\n", HOSTNO);
+	scsi_print_command(cmd);
 
-    NCR5380_print_status (instance);
+	NCR5380_print_status(instance);
+
+	local_irq_save(flags);
 
-    local_irq_save(flags);
-    
-    if (!IS_A_TT() && !falcon_got_lock)
-	printk(KERN_ERR "scsi%d: !!BINGO!! Falcon has no lock in NCR5380_abort\n",
-	       HOSTNO);
+	if (!IS_A_TT() && !falcon_got_lock)
+		printk(KERN_ERR "scsi%d: !!BINGO!! Falcon has no lock in NCR5380_abort\n",
+		       HOSTNO);
 
-    ABRT_PRINTK("scsi%d: abort called basr 0x%02x, sr 0x%02x\n", HOSTNO,
-		NCR5380_read(BUS_AND_STATUS_REG),
-		NCR5380_read(STATUS_REG));
+	ABRT_PRINTK("scsi%d: abort called basr 0x%02x, sr 0x%02x\n", HOSTNO,
+		    NCR5380_read(BUS_AND_STATUS_REG),
+		    NCR5380_read(STATUS_REG));
 
 #if 1
-/* 
- * Case 1 : If the command is the currently executing command, 
- * we'll set the aborted flag and return control so that 
- * information transfer routine can exit cleanly.
- */
+	/*
+	 * Case 1 : If the command is the currently executing command,
+	 * we'll set the aborted flag and return control so that
+	 * information transfer routine can exit cleanly.
+	 */
 
-    if (hostdata->connected == cmd) {
+	if (hostdata->connected == cmd) {
 
-	ABRT_PRINTK("scsi%d: aborting connected command\n", HOSTNO);
-/*
- * We should perform BSY checking, and make sure we haven't slipped
- * into BUS FREE.
- */
+		ABRT_PRINTK("scsi%d: aborting connected command\n", HOSTNO);
+		/*
+		 * We should perform BSY checking, and make sure we haven't slipped
+		 * into BUS FREE.
+		 */
 
-/*	NCR5380_write(INITIATOR_COMMAND_REG, ICR_ASSERT_ATN); */
-/* 
- * Since we can't change phases until we've completed the current 
- * handshake, we have to source or sink a byte of data if the current
- * phase is not MSGOUT.
- */
+		/*	NCR5380_write(INITIATOR_COMMAND_REG, ICR_ASSERT_ATN); */
+		/*
+		 * Since we can't change phases until we've completed the current
+		 * handshake, we have to source or sink a byte of data if the current
+		 * phase is not MSGOUT.
+		 */
 
-/* 
- * Return control to the executing NCR drive so we can clear the
- * aborted flag and get back into our main loop.
- */ 
+		/*
+		 * Return control to the executing NCR drive so we can clear the
+		 * aborted flag and get back into our main loop.
+		 */
 
-	if (do_abort(instance) == 0) {
-	  hostdata->aborted = 1;
-	  hostdata->connected = NULL;
-	  cmd->result = DID_ABORT << 16;
+		if (do_abort(instance) == 0) {
+			hostdata->aborted = 1;
+			hostdata->connected = NULL;
+			cmd->result = DID_ABORT << 16;
 #ifdef SUPPORT_TAGS
-	  cmd_free_tag( cmd );
+			cmd_free_tag(cmd);
 #else
-	  hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+			hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
 #endif
-	  local_irq_restore(flags);
-	  cmd->scsi_done(cmd);
-	  falcon_release_lock_if_possible( hostdata );
-	  return SCSI_ABORT_SUCCESS;
-	} else {
-/*	  local_irq_restore(flags); */
-	  printk("scsi%d: abort of connected command failed!\n", HOSTNO);
-	  return SCSI_ABORT_ERROR;
-	} 
-   }
+			local_irq_restore(flags);
+			cmd->scsi_done(cmd);
+			falcon_release_lock_if_possible(hostdata);
+			return SCSI_ABORT_SUCCESS;
+		} else {
+/*			local_irq_restore(flags); */
+			printk("scsi%d: abort of connected command failed!\n", HOSTNO);
+			return SCSI_ABORT_ERROR;
+		}
+	}
 #endif
 
-/* 
- * Case 2 : If the command hasn't been issued yet, we simply remove it 
- * 	    from the issue queue.
- */
-    for (prev = (Scsi_Cmnd **) &(hostdata->issue_queue), 
-	tmp = (Scsi_Cmnd *) hostdata->issue_queue;
-	tmp; prev = NEXTADDR(tmp), tmp = NEXT(tmp) )
-	if (cmd == tmp) {
-	    REMOVE(5, *prev, tmp, NEXT(tmp));
-	    (*prev) = NEXT(tmp);
-	    NEXT(tmp) = NULL;
-	    tmp->result = DID_ABORT << 16;
-	    local_irq_restore(flags);
-	    ABRT_PRINTK("scsi%d: abort removed command from issue queue.\n",
-			HOSTNO);
-	    /* Tagged queuing note: no tag to free here, hasn't been assigned
-	     * yet... */
-	    tmp->scsi_done(tmp);
-	    falcon_release_lock_if_possible( hostdata );
-	    return SCSI_ABORT_SUCCESS;
+	/*
+	 * Case 2 : If the command hasn't been issued yet, we simply remove it
+	 *	    from the issue queue.
+	 */
+	for (prev = (Scsi_Cmnd **)&(hostdata->issue_queue),
+	     tmp = (Scsi_Cmnd *)hostdata->issue_queue;
+	     tmp; prev = NEXTADDR(tmp), tmp = NEXT(tmp)) {
+		if (cmd == tmp) {
+			REMOVE(5, *prev, tmp, NEXT(tmp));
+			(*prev) = NEXT(tmp);
+			NEXT(tmp) = NULL;
+			tmp->result = DID_ABORT << 16;
+			local_irq_restore(flags);
+			ABRT_PRINTK("scsi%d: abort removed command from issue queue.\n",
+				    HOSTNO);
+			/* Tagged queuing note: no tag to free here, hasn't been assigned
+			 * yet... */
+			tmp->scsi_done(tmp);
+			falcon_release_lock_if_possible(hostdata);
+			return SCSI_ABORT_SUCCESS;
+		}
 	}
 
-/* 
- * Case 3 : If any commands are connected, we're going to fail the abort
- *	    and let the high level SCSI driver retry at a later time or 
- *	    issue a reset.
- *
- *	    Timeouts, and therefore aborted commands, will be highly unlikely
- *          and handling them cleanly in this situation would make the common
- *	    case of noresets less efficient, and would pollute our code.  So,
- *	    we fail.
- */
+	/*
+	 * Case 3 : If any commands are connected, we're going to fail the abort
+	 *	    and let the high level SCSI driver retry at a later time or
+	 *	    issue a reset.
+	 *
+	 *	    Timeouts, and therefore aborted commands, will be highly unlikely
+	 *          and handling them cleanly in this situation would make the common
+	 *	    case of noresets less efficient, and would pollute our code.  So,
+	 *	    we fail.
+	 */
 
-    if (hostdata->connected) {
-	local_irq_restore(flags);
-	ABRT_PRINTK("scsi%d: abort failed, command connected.\n", HOSTNO);
-        return SCSI_ABORT_SNOOZE;
-    }
+	if (hostdata->connected) {
+		local_irq_restore(flags);
+		ABRT_PRINTK("scsi%d: abort failed, command connected.\n", HOSTNO);
+		return SCSI_ABORT_SNOOZE;
+	}
 
-/*
- * Case 4: If the command is currently disconnected from the bus, and 
- * 	there are no connected commands, we reconnect the I_T_L or 
- *	I_T_L_Q nexus associated with it, go into message out, and send 
- *      an abort message.
- *
- * This case is especially ugly. In order to reestablish the nexus, we
- * need to call NCR5380_select().  The easiest way to implement this 
- * function was to abort if the bus was busy, and let the interrupt
- * handler triggered on the SEL for reselect take care of lost arbitrations
- * where necessary, meaning interrupts need to be enabled.
- *
- * When interrupts are enabled, the queues may change - so we 
- * can't remove it from the disconnected queue before selecting it
- * because that could cause a failure in hashing the nexus if that 
- * device reselected.
- * 
- * Since the queues may change, we can't use the pointers from when we
- * first locate it.
- *
- * So, we must first locate the command, and if NCR5380_select()
- * succeeds, then issue the abort, relocate the command and remove
- * it from the disconnected queue.
- */
+	/*
+	 * Case 4: If the command is currently disconnected from the bus, and
+	 *	there are no connected commands, we reconnect the I_T_L or
+	 *	I_T_L_Q nexus associated with it, go into message out, and send
+	 *      an abort message.
+	 *
+	 * This case is especially ugly. In order to reestablish the nexus, we
+	 * need to call NCR5380_select().  The easiest way to implement this
+	 * function was to abort if the bus was busy, and let the interrupt
+	 * handler triggered on the SEL for reselect take care of lost arbitrations
+	 * where necessary, meaning interrupts need to be enabled.
+	 *
+	 * When interrupts are enabled, the queues may change - so we
+	 * can't remove it from the disconnected queue before selecting it
+	 * because that could cause a failure in hashing the nexus if that
+	 * device reselected.
+	 *
+	 * Since the queues may change, we can't use the pointers from when we
+	 * first locate it.
+	 *
+	 * So, we must first locate the command, and if NCR5380_select()
+	 * succeeds, then issue the abort, relocate the command and remove
+	 * it from the disconnected queue.
+	 */
+
+	for (tmp = (Scsi_Cmnd *) hostdata->disconnected_queue; tmp;
+	     tmp = NEXT(tmp)) {
+		if (cmd == tmp) {
+			local_irq_restore(flags);
+			ABRT_PRINTK("scsi%d: aborting disconnected command.\n", HOSTNO);
+
+			if (NCR5380_select(instance, cmd, (int)cmd->tag))
+				return SCSI_ABORT_BUSY;
 
-    for (tmp = (Scsi_Cmnd *) hostdata->disconnected_queue; tmp;
-	 tmp = NEXT(tmp)) 
-        if (cmd == tmp) {
-            local_irq_restore(flags);
-	    ABRT_PRINTK("scsi%d: aborting disconnected command.\n", HOSTNO);
-  
-            if (NCR5380_select (instance, cmd, (int) cmd->tag)) 
-		return SCSI_ABORT_BUSY;
-
-	    ABRT_PRINTK("scsi%d: nexus reestablished.\n", HOSTNO);
-
-	    do_abort (instance);
-
-	    local_irq_save(flags);
-	    for (prev = (Scsi_Cmnd **) &(hostdata->disconnected_queue), 
-		tmp = (Scsi_Cmnd *) hostdata->disconnected_queue;
-		tmp; prev = NEXTADDR(tmp), tmp = NEXT(tmp) )
-		    if (cmd == tmp) {
-		    REMOVE(5, *prev, tmp, NEXT(tmp));
-		    *prev = NEXT(tmp);
-		    NEXT(tmp) = NULL;
-		    tmp->result = DID_ABORT << 16;
-		    /* We must unlock the tag/LUN immediately here, since the
-		     * target goes to BUS FREE and doesn't send us another
-		     * message (COMMAND_COMPLETE or the like)
-		     */
+			ABRT_PRINTK("scsi%d: nexus reestablished.\n", HOSTNO);
+
+			do_abort(instance);
+
+			local_irq_save(flags);
+			for (prev = (Scsi_Cmnd **)&(hostdata->disconnected_queue),
+			     tmp = (Scsi_Cmnd *)hostdata->disconnected_queue;
+			     tmp; prev = NEXTADDR(tmp), tmp = NEXT(tmp)) {
+				if (cmd == tmp) {
+					REMOVE(5, *prev, tmp, NEXT(tmp));
+					*prev = NEXT(tmp);
+					NEXT(tmp) = NULL;
+					tmp->result = DID_ABORT << 16;
+					/* We must unlock the tag/LUN immediately here, since the
+					 * target goes to BUS FREE and doesn't send us another
+					 * message (COMMAND_COMPLETE or the like)
+					 */
 #ifdef SUPPORT_TAGS
-		    cmd_free_tag( tmp );
+					cmd_free_tag(tmp);
 #else
-		    hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+					hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
 #endif
-		    local_irq_restore(flags);
-		    tmp->scsi_done(tmp);
-		    falcon_release_lock_if_possible( hostdata );
-		    return SCSI_ABORT_SUCCESS;
+					local_irq_restore(flags);
+					tmp->scsi_done(tmp);
+					falcon_release_lock_if_possible(hostdata);
+					return SCSI_ABORT_SUCCESS;
+				}
+			}
 		}
 	}
 
-/*
- * Case 5 : If we reached this point, the command was not found in any of 
- *	    the queues.
- *
- * We probably reached this point because of an unlikely race condition
- * between the command completing successfully and the abortion code,
- * so we won't panic, but we will notify the user in case something really
- * broke.
- */
+	/*
+	 * Case 5 : If we reached this point, the command was not found in any of
+	 *	    the queues.
+	 *
+	 * We probably reached this point because of an unlikely race condition
+	 * between the command completing successfully and the abortion code,
+	 * so we won't panic, but we will notify the user in case something really
+	 * broke.
+	 */
 
-    local_irq_restore(flags);
-    printk(KERN_INFO "scsi%d: warning : SCSI command probably completed successfully\n"
-           KERN_INFO "        before abortion\n", HOSTNO); 
+	local_irq_restore(flags);
+	printk(KERN_INFO "scsi%d: warning : SCSI command probably completed successfully\n"
+	       KERN_INFO "        before abortion\n", HOSTNO);
 
-/* Maybe it is sufficient just to release the ST-DMA lock... (if
- * possible at all) At least, we should check if the lock could be
- * released after the abort, in case it is kept due to some bug.
- */
-    falcon_release_lock_if_possible( hostdata );
+	/* Maybe it is sufficient just to release the ST-DMA lock... (if
+	 * possible at all) At least, we should check if the lock could be
+	 * released after the abort, in case it is kept due to some bug.
+	 */
+	falcon_release_lock_if_possible(hostdata);
 
-    return SCSI_ABORT_NOT_RUNNING;
+	return SCSI_ABORT_NOT_RUNNING;
 }
 
 
-/* 
+/*
  * Function : int NCR5380_reset (Scsi_Cmnd *cmd)
- * 
+ *
  * Purpose : reset the SCSI bus.
  *
  * Returns : SCSI_RESET_WAKEUP
  *
- */ 
+ */
 
-static int NCR5380_bus_reset( Scsi_Cmnd *cmd)
+static int NCR5380_bus_reset(Scsi_Cmnd *cmd)
 {
-    SETUP_HOSTDATA(cmd->device->host);
-    int           i;
-    unsigned long flags;
+	SETUP_HOSTDATA(cmd->device->host);
+	int i;
+	unsigned long flags;
 #if 1
-    Scsi_Cmnd *connected, *disconnected_queue;
+	Scsi_Cmnd *connected, *disconnected_queue;
 #endif
 
-    if (!IS_A_TT() && !falcon_got_lock)
-	printk(KERN_ERR "scsi%d: !!BINGO!! Falcon has no lock in NCR5380_reset\n",
-	       H_NO(cmd) );
-
-    NCR5380_print_status (cmd->device->host);
-
-    /* get in phase */
-    NCR5380_write( TARGET_COMMAND_REG,
-		   PHASE_SR_TO_TCR( NCR5380_read(STATUS_REG) ));
-    /* assert RST */
-    NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_RST );
-    udelay (40);
-    /* reset NCR registers */
-    NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE );
-    NCR5380_write( MODE_REG, MR_BASE );
-    NCR5380_write( TARGET_COMMAND_REG, 0 );
-    NCR5380_write( SELECT_ENABLE_REG, 0 );
-    /* ++roman: reset interrupt condition! otherwise no interrupts don't get
-     * through anymore ... */
-    (void)NCR5380_read( RESET_PARITY_INTERRUPT_REG );
-
-#if 1 /* XXX Should now be done by midlevel code, but it's broken XXX */
-      /* XXX see below                                            XXX */
-
-    /* MSch: old-style reset: actually abort all command processing here */
-
-    /* After the reset, there are no more connected or disconnected commands
-     * and no busy units; to avoid problems with re-inserting the commands
-     * into the issue_queue (via scsi_done()), the aborted commands are
-     * remembered in local variables first.
-     */
-    local_irq_save(flags);
-    connected = (Scsi_Cmnd *)hostdata->connected;
-    hostdata->connected = NULL;
-    disconnected_queue = (Scsi_Cmnd *)hostdata->disconnected_queue;
-    hostdata->disconnected_queue = NULL;
+	if (!IS_A_TT() && !falcon_got_lock)
+		printk(KERN_ERR "scsi%d: !!BINGO!! Falcon has no lock in NCR5380_reset\n",
+		       H_NO(cmd));
+
+	NCR5380_print_status(cmd->device->host);
+
+	/* get in phase */
+	NCR5380_write(TARGET_COMMAND_REG,
+		      PHASE_SR_TO_TCR(NCR5380_read(STATUS_REG)));
+	/* assert RST */
+	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_RST);
+	udelay(40);
+	/* reset NCR registers */
+	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+	NCR5380_write(MODE_REG, MR_BASE);
+	NCR5380_write(TARGET_COMMAND_REG, 0);
+	NCR5380_write(SELECT_ENABLE_REG, 0);
+	/* ++roman: reset interrupt condition! otherwise no interrupts don't get
+	 * through anymore ... */
+	(void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+
+#if 1	/* XXX Should now be done by midlevel code, but it's broken XXX */
+	/* XXX see below                                            XXX */
+
+	/* MSch: old-style reset: actually abort all command processing here */
+
+	/* After the reset, there are no more connected or disconnected commands
+	 * and no busy units; to avoid problems with re-inserting the commands
+	 * into the issue_queue (via scsi_done()), the aborted commands are
+	 * remembered in local variables first.
+	 */
+	local_irq_save(flags);
+	connected = (Scsi_Cmnd *)hostdata->connected;
+	hostdata->connected = NULL;
+	disconnected_queue = (Scsi_Cmnd *)hostdata->disconnected_queue;
+	hostdata->disconnected_queue = NULL;
 #ifdef SUPPORT_TAGS
-    free_all_tags();
+	free_all_tags();
 #endif
-    for( i = 0; i < 8; ++i )
-	hostdata->busy[i] = 0;
+	for (i = 0; i < 8; ++i)
+		hostdata->busy[i] = 0;
 #ifdef REAL_DMA
-    hostdata->dma_len = 0;
+	hostdata->dma_len = 0;
 #endif
-    local_irq_restore(flags);
+	local_irq_restore(flags);
 
-    /* In order to tell the mid-level code which commands were aborted, 
-     * set the command status to DID_RESET and call scsi_done() !!!
-     * This ultimately aborts processing of these commands in the mid-level.
-     */
+	/* In order to tell the mid-level code which commands were aborted,
+	 * set the command status to DID_RESET and call scsi_done() !!!
+	 * This ultimately aborts processing of these commands in the mid-level.
+	 */
 
-    if ((cmd = connected)) {
-	ABRT_PRINTK("scsi%d: reset aborted a connected command\n", H_NO(cmd));
-	cmd->result = (cmd->result & 0xffff) | (DID_RESET << 16);
-	cmd->scsi_done( cmd );
-    }
+	if ((cmd = connected)) {
+		ABRT_PRINTK("scsi%d: reset aborted a connected command\n", H_NO(cmd));
+		cmd->result = (cmd->result & 0xffff) | (DID_RESET << 16);
+		cmd->scsi_done(cmd);
+	}
 
-    for (i = 0; (cmd = disconnected_queue); ++i) {
-	disconnected_queue = NEXT(cmd);
-	NEXT(cmd) = NULL;
-	cmd->result = (cmd->result & 0xffff) | (DID_RESET << 16);
-	cmd->scsi_done( cmd );
-    }
-    if (i > 0)
-	ABRT_PRINTK("scsi: reset aborted %d disconnected command(s)\n", i);
+	for (i = 0; (cmd = disconnected_queue); ++i) {
+		disconnected_queue = NEXT(cmd);
+		NEXT(cmd) = NULL;
+		cmd->result = (cmd->result & 0xffff) | (DID_RESET << 16);
+		cmd->scsi_done(cmd);
+	}
+	if (i > 0)
+		ABRT_PRINTK("scsi: reset aborted %d disconnected command(s)\n", i);
 
-/* The Falcon lock should be released after a reset...
- */
-/* ++guenther: moved to atari_scsi_reset(), to prevent a race between
- * unlocking and enabling dma interrupt.
- */
-/*    falcon_release_lock_if_possible( hostdata );*/
+	/* The Falcon lock should be released after a reset...
+	 */
+	/* ++guenther: moved to atari_scsi_reset(), to prevent a race between
+	 * unlocking and enabling dma interrupt.
+	 */
+/*	falcon_release_lock_if_possible( hostdata );*/
 
-    /* since all commands have been explicitly terminated, we need to tell
-     * the midlevel code that the reset was SUCCESSFUL, and there is no 
-     * need to 'wake up' the commands by a request_sense
-     */
-    return SCSI_RESET_SUCCESS | SCSI_RESET_BUS_RESET;
+	/* since all commands have been explicitly terminated, we need to tell
+	 * the midlevel code that the reset was SUCCESSFUL, and there is no
+	 * need to 'wake up' the commands by a request_sense
+	 */
+	return SCSI_RESET_SUCCESS | SCSI_RESET_BUS_RESET;
 #else /* 1 */
 
-    /* MSch: new-style reset handling: let the mid-level do what it can */
-
-    /* ++guenther: MID-LEVEL IS STILL BROKEN.
-     * Mid-level is supposed to requeue all commands that were active on the
-     * various low-level queues. In fact it does this, but that's not enough
-     * because all these commands are subject to timeout. And if a timeout
-     * happens for any removed command, *_abort() is called but all queues
-     * are now empty. Abort then gives up the falcon lock, which is fatal,
-     * since the mid-level will queue more commands and must have the lock
-     * (it's all happening inside timer interrupt handler!!).
-     * Even worse, abort will return NOT_RUNNING for all those commands not
-     * on any queue, so they won't be retried ...
-     *
-     * Conclusion: either scsi.c disables timeout for all resetted commands
-     * immediately, or we lose!  As of linux-2.0.20 it doesn't.
-     */
-
-    /* After the reset, there are no more connected or disconnected commands
-     * and no busy units; so clear the low-level status here to avoid 
-     * conflicts when the mid-level code tries to wake up the affected 
-     * commands!
-     */
-
-    if (hostdata->issue_queue)
-	ABRT_PRINTK("scsi%d: reset aborted issued command(s)\n", H_NO(cmd));
-    if (hostdata->connected) 
-	ABRT_PRINTK("scsi%d: reset aborted a connected command\n", H_NO(cmd));
-    if (hostdata->disconnected_queue)
-	ABRT_PRINTK("scsi%d: reset aborted disconnected command(s)\n", H_NO(cmd));
-
-    local_irq_save(flags);
-    hostdata->issue_queue = NULL;
-    hostdata->connected = NULL;
-    hostdata->disconnected_queue = NULL;
+	/* MSch: new-style reset handling: let the mid-level do what it can */
+
+	/* ++guenther: MID-LEVEL IS STILL BROKEN.
+	 * Mid-level is supposed to requeue all commands that were active on the
+	 * various low-level queues. In fact it does this, but that's not enough
+	 * because all these commands are subject to timeout. And if a timeout
+	 * happens for any removed command, *_abort() is called but all queues
+	 * are now empty. Abort then gives up the falcon lock, which is fatal,
+	 * since the mid-level will queue more commands and must have the lock
+	 * (it's all happening inside timer interrupt handler!!).
+	 * Even worse, abort will return NOT_RUNNING for all those commands not
+	 * on any queue, so they won't be retried ...
+	 *
+	 * Conclusion: either scsi.c disables timeout for all resetted commands
+	 * immediately, or we lose!  As of linux-2.0.20 it doesn't.
+	 */
+
+	/* After the reset, there are no more connected or disconnected commands
+	 * and no busy units; so clear the low-level status here to avoid
+	 * conflicts when the mid-level code tries to wake up the affected
+	 * commands!
+	 */
+
+	if (hostdata->issue_queue)
+		ABRT_PRINTK("scsi%d: reset aborted issued command(s)\n", H_NO(cmd));
+	if (hostdata->connected)
+		ABRT_PRINTK("scsi%d: reset aborted a connected command\n", H_NO(cmd));
+	if (hostdata->disconnected_queue)
+		ABRT_PRINTK("scsi%d: reset aborted disconnected command(s)\n", H_NO(cmd));
+
+	local_irq_save(flags);
+	hostdata->issue_queue = NULL;
+	hostdata->connected = NULL;
+	hostdata->disconnected_queue = NULL;
 #ifdef SUPPORT_TAGS
-    free_all_tags();
+	free_all_tags();
 #endif
-    for( i = 0; i < 8; ++i )
-	hostdata->busy[i] = 0;
+	for (i = 0; i < 8; ++i)
+		hostdata->busy[i] = 0;
 #ifdef REAL_DMA
-    hostdata->dma_len = 0;
+	hostdata->dma_len = 0;
 #endif
-    local_irq_restore(flags);
+	local_irq_restore(flags);
 
-    /* we did no complete reset of all commands, so a wakeup is required */
-    return SCSI_RESET_WAKEUP | SCSI_RESET_BUS_RESET;
+	/* we did no complete reset of all commands, so a wakeup is required */
+	return SCSI_RESET_WAKEUP | SCSI_RESET_BUS_RESET;
 #endif /* 1 */
 }
-
-/* Local Variables: */
-/* tab-width: 8     */
-/* End:             */
diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c
index 85b8acc9403..f766d0d81c9 100644
--- a/drivers/scsi/atari_scsi.c
+++ b/drivers/scsi/atari_scsi.c
@@ -186,38 +186,37 @@ static inline void DISABLE_IRQ(void)
 /***************************** Prototypes *****************************/
 
 #ifdef REAL_DMA
-static int scsi_dma_is_ignored_buserr( unsigned char dma_stat );
-static void atari_scsi_fetch_restbytes( void );
-static long atari_scsi_dma_residual( struct Scsi_Host *instance );
-static int falcon_classify_cmd( Scsi_Cmnd *cmd );
-static unsigned long atari_dma_xfer_len( unsigned long wanted_len,
-                                         Scsi_Cmnd *cmd, int write_flag );
+static int scsi_dma_is_ignored_buserr(unsigned char dma_stat);
+static void atari_scsi_fetch_restbytes(void);
+static long atari_scsi_dma_residual(struct Scsi_Host *instance);
+static int falcon_classify_cmd(Scsi_Cmnd *cmd);
+static unsigned long atari_dma_xfer_len(unsigned long wanted_len,
+					Scsi_Cmnd *cmd, int write_flag);
 #endif
-static irqreturn_t scsi_tt_intr( int irq, void *dummy);
-static irqreturn_t scsi_falcon_intr( int irq, void *dummy);
-static void falcon_release_lock_if_possible( struct NCR5380_hostdata *
-                                             hostdata );
-static void falcon_get_lock( void );
+static irqreturn_t scsi_tt_intr(int irq, void *dummy);
+static irqreturn_t scsi_falcon_intr(int irq, void *dummy);
+static void falcon_release_lock_if_possible(struct NCR5380_hostdata *hostdata);
+static void falcon_get_lock(void);
 #ifdef CONFIG_ATARI_SCSI_RESET_BOOT
-static void atari_scsi_reset_boot( void );
+static void atari_scsi_reset_boot(void);
 #endif
-static unsigned char atari_scsi_tt_reg_read( unsigned char reg );
-static void atari_scsi_tt_reg_write( unsigned char reg, unsigned char value);
-static unsigned char atari_scsi_falcon_reg_read( unsigned char reg );
-static void atari_scsi_falcon_reg_write( unsigned char reg, unsigned char value );
+static unsigned char atari_scsi_tt_reg_read(unsigned char reg);
+static void atari_scsi_tt_reg_write(unsigned char reg, unsigned char value);
+static unsigned char atari_scsi_falcon_reg_read(unsigned char reg);
+static void atari_scsi_falcon_reg_write(unsigned char reg, unsigned char value);
 
 /************************* End of Prototypes **************************/
 
 
-static struct Scsi_Host *atari_scsi_host = NULL;
-static unsigned char (*atari_scsi_reg_read)( unsigned char reg );
-static void (*atari_scsi_reg_write)( unsigned char reg, unsigned char value );
+static struct Scsi_Host *atari_scsi_host;
+static unsigned char (*atari_scsi_reg_read)(unsigned char reg);
+static void (*atari_scsi_reg_write)(unsigned char reg, unsigned char value);
 
 #ifdef REAL_DMA
 static unsigned long	atari_dma_residual, atari_dma_startaddr;
 static short		atari_dma_active;
 /* pointer to the dribble buffer */
-static char		*atari_dma_buffer = NULL;
+static char		*atari_dma_buffer;
 /* precalculated physical address of the dribble buffer */
 static unsigned long	atari_dma_phys_buffer;
 /* != 0 tells the Falcon int handler to copy data from the dribble buffer */
@@ -233,7 +232,7 @@ static char		*atari_dma_orig_addr;
 static unsigned long	atari_dma_stram_mask;
 #define STRAM_ADDR(a)	(((a) & atari_dma_stram_mask) == 0)
 /* number of bytes to cut from a transfer to handle NCR overruns */
-static int atari_read_overruns = 0;
+static int atari_read_overruns;
 #endif
 
 static int setup_can_queue = -1;
@@ -256,10 +255,10 @@ module_param(setup_hostid, int, 0);
 
 #if defined(REAL_DMA)
 
-static int scsi_dma_is_ignored_buserr( unsigned char dma_stat )
+static int scsi_dma_is_ignored_buserr(unsigned char dma_stat)
 {
 	int i;
-	unsigned long	addr = SCSI_DMA_READ_P( dma_addr ), end_addr;
+	unsigned long addr = SCSI_DMA_READ_P(dma_addr), end_addr;
 
 	if (dma_stat & 0x01) {
 
@@ -267,15 +266,14 @@ static int scsi_dma_is_ignored_buserr( unsigned char dma_stat )
 		 * physical memory chunk (DMA prefetch!), but that doesn't hurt.
 		 * Check for this case:
 		 */
-		
-		for( i = 0; i < m68k_num_memory; ++i ) {
-			end_addr = m68k_memory[i].addr +
-				m68k_memory[i].size;
+
+		for (i = 0; i < m68k_num_memory; ++i) {
+			end_addr = m68k_memory[i].addr + m68k_memory[i].size;
 			if (end_addr <= addr && addr <= end_addr + 4)
-				return( 1 );
+				return 1;
 		}
 	}
-	return( 0 );
+	return 0;
 }
 
 
@@ -284,28 +282,27 @@ static int scsi_dma_is_ignored_buserr( unsigned char dma_stat )
  * end-of-DMA, both SCSI ints are triggered simultaneously, so the NCR int has
  * to clear the DMA int pending bit before it allows other level 6 interrupts.
  */
-static void scsi_dma_buserr (int irq, void *dummy)
+static void scsi_dma_buserr(int irq, void *dummy)
 {
-	unsigned char	dma_stat = tt_scsi_dma.dma_ctrl;
+	unsigned char dma_stat = tt_scsi_dma.dma_ctrl;
 
 	/* Don't do anything if a NCR interrupt is pending. Probably it's just
 	 * masked... */
-	if (atari_irq_pending( IRQ_TT_MFP_SCSI ))
+	if (atari_irq_pending(IRQ_TT_MFP_SCSI))
 		return;
-	
+
 	printk("Bad SCSI DMA interrupt! dma_addr=0x%08lx dma_stat=%02x dma_cnt=%08lx\n",
 	       SCSI_DMA_READ_P(dma_addr), dma_stat, SCSI_DMA_READ_P(dma_cnt));
 	if (dma_stat & 0x80) {
-		if (!scsi_dma_is_ignored_buserr( dma_stat ))
-			printk( "SCSI DMA bus error -- bad DMA programming!\n" );
-	}
-	else {
+		if (!scsi_dma_is_ignored_buserr(dma_stat))
+			printk("SCSI DMA bus error -- bad DMA programming!\n");
+	} else {
 		/* Under normal circumstances we never should get to this point,
 		 * since both interrupts are triggered simultaneously and the 5380
 		 * int has higher priority. When this irq is handled, that DMA
 		 * interrupt is cleared. So a warning message is printed here.
 		 */
-		printk( "SCSI DMA intr ?? -- this shouldn't happen!\n" );
+		printk("SCSI DMA intr ?? -- this shouldn't happen!\n");
 	}
 }
 #endif
@@ -313,7 +310,7 @@ static void scsi_dma_buserr (int irq, void *dummy)
 #endif
 
 
-static irqreturn_t scsi_tt_intr (int irq, void *dummy)
+static irqreturn_t scsi_tt_intr(int irq, void *dummy)
 {
 #ifdef REAL_DMA
 	int dma_stat;
@@ -327,7 +324,7 @@ static irqreturn_t scsi_tt_intr (int irq, void *dummy)
 	 * is that a bus error occurred...
 	 */
 	if (dma_stat & 0x80) {
-		if (!scsi_dma_is_ignored_buserr( dma_stat )) {
+		if (!scsi_dma_is_ignored_buserr(dma_stat)) {
 			printk(KERN_ERR "SCSI DMA caused bus error near 0x%08lx\n",
 			       SCSI_DMA_READ_P(dma_addr));
 			printk(KERN_CRIT "SCSI DMA bus error -- bad DMA programming!");
@@ -344,8 +341,7 @@ static irqreturn_t scsi_tt_intr (int irq, void *dummy)
 	 * data reg!
 	 */
 	if ((dma_stat & 0x02) && !(dma_stat & 0x40)) {
-		atari_dma_residual = HOSTDATA_DMALEN - (SCSI_DMA_READ_P( dma_addr ) -
-												atari_dma_startaddr);
+		atari_dma_residual = HOSTDATA_DMALEN - (SCSI_DMA_READ_P(dma_addr) - atari_dma_startaddr);
 
 		DMA_PRINTK("SCSI DMA: There are %ld residual bytes.\n",
 			   atari_dma_residual);
@@ -353,28 +349,30 @@ static irqreturn_t scsi_tt_intr (int irq, void *dummy)
 		if ((signed int)atari_dma_residual < 0)
 			atari_dma_residual = 0;
 		if ((dma_stat & 1) == 0) {
-			/* After read operations, we maybe have to
-			   transport some rest bytes */
+			/*
+			 * After read operations, we maybe have to
+			 * transport some rest bytes
+			 */
 			atari_scsi_fetch_restbytes();
-		}
-		else {
-			/* There seems to be a nasty bug in some SCSI-DMA/NCR
-			   combinations: If a target disconnects while a write
-			   operation is going on, the address register of the
-			   DMA may be a few bytes farer than it actually read.
-			   This is probably due to DMA prefetching and a delay
-			   between DMA and NCR.  Experiments showed that the
-			   dma_addr is 9 bytes to high, but this could vary.
-			   The problem is, that the residual is thus calculated
-			   wrong and the next transfer will start behind where
-			   it should.  So we round up the residual to the next
-			   multiple of a sector size, if it isn't already a
-			   multiple and the originally expected transfer size
-			   was.  The latter condition is there to ensure that
-			   the correction is taken only for "real" data
-			   transfers and not for, e.g., the parameters of some
-			   other command.  These shouldn't disconnect anyway.
-			   */
+		} else {
+			/*
+			 * There seems to be a nasty bug in some SCSI-DMA/NCR
+			 * combinations: If a target disconnects while a write
+			 * operation is going on, the address register of the
+			 * DMA may be a few bytes farer than it actually read.
+			 * This is probably due to DMA prefetching and a delay
+			 * between DMA and NCR.  Experiments showed that the
+			 * dma_addr is 9 bytes to high, but this could vary.
+			 * The problem is, that the residual is thus calculated
+			 * wrong and the next transfer will start behind where
+			 * it should.  So we round up the residual to the next
+			 * multiple of a sector size, if it isn't already a
+			 * multiple and the originally expected transfer size
+			 * was.  The latter condition is there to ensure that
+			 * the correction is taken only for "real" data
+			 * transfers and not for, e.g., the parameters of some
+			 * other command.  These shouldn't disconnect anyway.
+			 */
 			if (atari_dma_residual & 0x1ff) {
 				DMA_PRINTK("SCSI DMA: DMA bug corrected, "
 					   "difference %ld bytes\n",
@@ -394,18 +392,18 @@ static irqreturn_t scsi_tt_intr (int irq, void *dummy)
 	}
 
 #endif /* REAL_DMA */
-	
+
 	NCR5380_intr(0, 0);
 
 #if 0
 	/* To be sure the int is not masked */
-	atari_enable_irq( IRQ_TT_MFP_SCSI );
+	atari_enable_irq(IRQ_TT_MFP_SCSI);
 #endif
 	return IRQ_HANDLED;
 }
 
 
-static irqreturn_t scsi_falcon_intr (int irq, void *dummy)
+static irqreturn_t scsi_falcon_intr(int irq, void *dummy)
 {
 #ifdef REAL_DMA
 	int dma_stat;
@@ -430,7 +428,7 @@ static irqreturn_t scsi_falcon_intr (int irq, void *dummy)
 	 * bytes are stuck in the ST-DMA fifo (there's no way to reach them!)
 	 */
 	if (atari_dma_active && (dma_stat & 0x02)) {
-		unsigned long	transferred;
+		unsigned long transferred;
 
 		transferred = SCSI_DMA_GETADR() - atari_dma_startaddr;
 		/* The ST-DMA address is incremented in 2-byte steps, but the
@@ -445,8 +443,7 @@ static irqreturn_t scsi_falcon_intr (int irq, void *dummy)
 		atari_dma_residual = HOSTDATA_DMALEN - transferred;
 		DMA_PRINTK("SCSI DMA: There are %ld residual bytes.\n",
 			   atari_dma_residual);
-	}
-	else
+	} else
 		atari_dma_residual = 0;
 	atari_dma_active = 0;
 
@@ -467,7 +464,7 @@ static irqreturn_t scsi_falcon_intr (int irq, void *dummy)
 
 
 #ifdef REAL_DMA
-static void atari_scsi_fetch_restbytes( void )
+static void atari_scsi_fetch_restbytes(void)
 {
 	int nr;
 	char *src, *dst;
@@ -505,19 +502,17 @@ static int falcon_dont_release = 0;
  * again (but others waiting longer more probably will win).
  */
 
-static void
-falcon_release_lock_if_possible( struct NCR5380_hostdata * hostdata )
+static void falcon_release_lock_if_possible(struct NCR5380_hostdata *hostdata)
 {
 	unsigned long flags;
-		
-	if (IS_A_TT()) return;
-	
+
+	if (IS_A_TT())
+		return;
+
 	local_irq_save(flags);
 
-	if (falcon_got_lock &&
-		!hostdata->disconnected_queue &&
-		!hostdata->issue_queue &&
-		!hostdata->connected) {
+	if (falcon_got_lock && !hostdata->disconnected_queue &&
+	    !hostdata->issue_queue && !hostdata->connected) {
 
 		if (falcon_dont_release) {
 #if 0
@@ -528,7 +523,7 @@ falcon_release_lock_if_possible( struct NCR5380_hostdata * hostdata )
 		}
 		falcon_got_lock = 0;
 		stdma_release();
-		wake_up( &falcon_fairness_wait );
+		wake_up(&falcon_fairness_wait);
 	}
 
 	local_irq_restore(flags);
@@ -549,31 +544,31 @@ falcon_release_lock_if_possible( struct NCR5380_hostdata * hostdata )
  * Complicated, complicated.... Sigh...
  */
 
-static void falcon_get_lock( void )
+static void falcon_get_lock(void)
 {
 	unsigned long flags;
 
-	if (IS_A_TT()) return;
+	if (IS_A_TT())
+		return;
 
 	local_irq_save(flags);
 
 	while (!in_irq() && falcon_got_lock && stdma_others_waiting())
-		sleep_on( &falcon_fairness_wait );
+		sleep_on(&falcon_fairness_wait);
 
 	while (!falcon_got_lock) {
 		if (in_irq())
-			panic( "Falcon SCSI hasn't ST-DMA lock in interrupt" );
+			panic("Falcon SCSI hasn't ST-DMA lock in interrupt");
 		if (!falcon_trying_lock) {
 			falcon_trying_lock = 1;
 			stdma_lock(scsi_falcon_intr, NULL);
 			falcon_got_lock = 1;
 			falcon_trying_lock = 0;
-			wake_up( &falcon_try_wait );
-		}
-		else {
-			sleep_on( &falcon_try_wait );
+			wake_up(&falcon_try_wait);
+		} else {
+			sleep_on(&falcon_try_wait);
 		}
-	}	
+	}
 
 	local_irq_restore(flags);
 	if (!falcon_got_lock)
@@ -587,18 +582,18 @@ static void falcon_get_lock( void )
  */
 
 #if 0
-int atari_queue_command (Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *))
+int atari_queue_command(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *))
 {
 	/* falcon_get_lock();
 	 * ++guenther: moved to NCR5380_queue_command() to prevent
 	 * race condition, see there for an explanation.
 	 */
-	return( NCR5380_queue_command( cmd, done ) );
+	return NCR5380_queue_command(cmd, done);
 }
 #endif
 
 
-int atari_scsi_detect (struct scsi_host_template *host)
+int atari_scsi_detect(struct scsi_host_template *host)
 {
 	static int called = 0;
 	struct Scsi_Host *instance;
@@ -606,7 +601,7 @@ int atari_scsi_detect (struct scsi_host_template *host)
 	if (!MACH_IS_ATARI ||
 	    (!ATARIHW_PRESENT(ST_SCSI) && !ATARIHW_PRESENT(TT_SCSI)) ||
 	    called)
-		return( 0 );
+		return 0;
 
 	host->proc_name = "Atari";
 
@@ -655,32 +650,33 @@ int atari_scsi_detect (struct scsi_host_template *host)
 	    !ATARIHW_PRESENT(EXTD_DMA) && m68k_num_memory > 1) {
 		atari_dma_buffer = atari_stram_alloc(STRAM_BUFFER_SIZE, "SCSI");
 		if (!atari_dma_buffer) {
-			printk( KERN_ERR "atari_scsi_detect: can't allocate ST-RAM "
-					"double buffer\n" );
-			return( 0 );
+			printk(KERN_ERR "atari_scsi_detect: can't allocate ST-RAM "
+					"double buffer\n");
+			return 0;
 		}
-		atari_dma_phys_buffer = virt_to_phys( atari_dma_buffer );
+		atari_dma_phys_buffer = virt_to_phys(atari_dma_buffer);
 		atari_dma_orig_addr = 0;
 	}
 #endif
-	instance = scsi_register (host, sizeof (struct NCR5380_hostdata));
-	if(instance == NULL)
-	{
+	instance = scsi_register(host, sizeof(struct NCR5380_hostdata));
+	if (instance == NULL) {
 		atari_stram_free(atari_dma_buffer);
 		atari_dma_buffer = 0;
 		return 0;
 	}
 	atari_scsi_host = instance;
-       /* Set irq to 0, to avoid that the mid-level code disables our interrupt
-        * during queue_command calls. This is completely unnecessary, and even
-        * worse causes bad problems on the Falcon, where the int is shared with
-        * IDE and floppy! */
+	/*
+	 * Set irq to 0, to avoid that the mid-level code disables our interrupt
+	 * during queue_command calls. This is completely unnecessary, and even
+	 * worse causes bad problems on the Falcon, where the int is shared with
+	 * IDE and floppy!
+	 */
        instance->irq = 0;
 
 #ifdef CONFIG_ATARI_SCSI_RESET_BOOT
 	atari_scsi_reset_boot();
 #endif
-	NCR5380_init (instance, 0);
+	NCR5380_init(instance, 0);
 
 	if (IS_A_TT()) {
 
@@ -727,11 +723,10 @@ int atari_scsi_detect (struct scsi_host_template *host)
 			 * the rest data bug is fixed, this can be lowered to 1.
 			 */
 			atari_read_overruns = 4;
-		}		
+		}
 #endif /*REAL_DMA*/
-	}
-	else { /* ! IS_A_TT */
-		
+	} else { /* ! IS_A_TT */
+
 		/* Nothing to do for the interrupt: the ST-DMA is initialized
 		 * already by atari_init_INTS()
 		 */
@@ -756,19 +751,19 @@ int atari_scsi_detect (struct scsi_host_template *host)
 			setup_use_tagged_queuing ? "yes" : "no",
 #endif
 			instance->hostt->this_id );
-	NCR5380_print_options (instance);
-	printk ("\n");
+	NCR5380_print_options(instance);
+	printk("\n");
 
 	called = 1;
-	return( 1 );
+	return 1;
 }
 
-int atari_scsi_release (struct Scsi_Host *sh)
+int atari_scsi_release(struct Scsi_Host *sh)
 {
 	if (IS_A_TT())
 		free_irq(IRQ_TT_MFP_SCSI, scsi_tt_intr);
 	if (atari_dma_buffer)
-		atari_stram_free (atari_dma_buffer);
+		atari_stram_free(atari_dma_buffer);
 	return 1;
 }
 
@@ -779,9 +774,9 @@ void __init atari_scsi_setup(char *str, int *ints)
 	 * Defaults depend on TT or Falcon, hostid determined at run time.
 	 * Negative values mean don't change.
 	 */
-	
+
 	if (ints[0] < 1) {
-		printk( "atari_scsi_setup: no arguments!\n" );
+		printk("atari_scsi_setup: no arguments!\n");
 		return;
 	}
 
@@ -807,7 +802,7 @@ void __init atari_scsi_setup(char *str, int *ints)
 		if (ints[4] >= 0 && ints[4] <= 7)
 			setup_hostid = ints[4];
 		else if (ints[4] > 7)
-			printk( "atari_scsi_setup: invalid host ID %d !\n", ints[4] );
+			printk("atari_scsi_setup: invalid host ID %d !\n", ints[4]);
 	}
 #ifdef SUPPORT_TAGS
 	if (ints[0] >= 5) {
@@ -819,7 +814,7 @@ void __init atari_scsi_setup(char *str, int *ints)
 
 int atari_scsi_bus_reset(Scsi_Cmnd *cmd)
 {
-	int		rv;
+	int rv;
 	struct NCR5380_hostdata *hostdata =
 		(struct NCR5380_hostdata *)cmd->device->host->hostdata;
 
@@ -829,13 +824,12 @@ int atari_scsi_bus_reset(Scsi_Cmnd *cmd)
 	 */
 	/* And abort a maybe active DMA transfer */
 	if (IS_A_TT()) {
-		atari_turnoff_irq( IRQ_TT_MFP_SCSI );
+		atari_turnoff_irq(IRQ_TT_MFP_SCSI);
 #ifdef REAL_DMA
 		tt_scsi_dma.dma_ctrl = 0;
 #endif /* REAL_DMA */
-	}
-	else {
-		atari_turnoff_irq( IRQ_MFP_FSCSI );
+	} else {
+		atari_turnoff_irq(IRQ_MFP_FSCSI);
 #ifdef REAL_DMA
 		st_dma.dma_mode_status = 0x90;
 		atari_dma_active = 0;
@@ -847,52 +841,51 @@ int atari_scsi_bus_reset(Scsi_Cmnd *cmd)
 
 	/* Re-enable ints */
 	if (IS_A_TT()) {
-		atari_turnon_irq( IRQ_TT_MFP_SCSI );
-	}
-	else {
-		atari_turnon_irq( IRQ_MFP_FSCSI );
+		atari_turnon_irq(IRQ_TT_MFP_SCSI);
+	} else {
+		atari_turnon_irq(IRQ_MFP_FSCSI);
 	}
 	if ((rv & SCSI_RESET_ACTION) == SCSI_RESET_SUCCESS)
 		falcon_release_lock_if_possible(hostdata);
 
-	return( rv );
+	return rv;
 }
 
-	
+
 #ifdef CONFIG_ATARI_SCSI_RESET_BOOT
 static void __init atari_scsi_reset_boot(void)
 {
 	unsigned long end;
-	
+
 	/*
 	 * Do a SCSI reset to clean up the bus during initialization. No messing
 	 * with the queues, interrupts, or locks necessary here.
 	 */
 
-	printk( "Atari SCSI: resetting the SCSI bus..." );
+	printk("Atari SCSI: resetting the SCSI bus...");
 
 	/* get in phase */
-	NCR5380_write( TARGET_COMMAND_REG,
-		      PHASE_SR_TO_TCR( NCR5380_read(STATUS_REG) ));
+	NCR5380_write(TARGET_COMMAND_REG,
+		      PHASE_SR_TO_TCR(NCR5380_read(STATUS_REG)));
 
 	/* assert RST */
-	NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_RST );
+	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_RST);
 	/* The min. reset hold time is 25us, so 40us should be enough */
-	udelay( 50 );
+	udelay(50);
 	/* reset RST and interrupt */
-	NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE );
-	NCR5380_read( RESET_PARITY_INTERRUPT_REG );
+	NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+	NCR5380_read(RESET_PARITY_INTERRUPT_REG);
 
 	end = jiffies + AFTER_RESET_DELAY;
 	while (time_before(jiffies, end))
 		barrier();
 
-	printk( " done\n" );
+	printk(" done\n");
 }
 #endif
 
 
-const char * atari_scsi_info (struct Scsi_Host *host)
+const char *atari_scsi_info(struct Scsi_Host *host)
 {
 	/* atari_scsi_detect() is verbose enough... */
 	static const char string[] = "Atari native SCSI";
@@ -902,10 +895,10 @@ const char * atari_scsi_info (struct Scsi_Host *host)
 
 #if defined(REAL_DMA)
 
-unsigned long atari_scsi_dma_setup( struct Scsi_Host *instance, void *data,
-				   unsigned long count, int dir )
+unsigned long atari_scsi_dma_setup(struct Scsi_Host *instance, void *data,
+				   unsigned long count, int dir)
 {
-	unsigned long addr = virt_to_phys( data );
+	unsigned long addr = virt_to_phys(data);
 
 	DMA_PRINTK("scsi%d: setting up dma, data = %p, phys = %lx, count = %ld, "
 		   "dir = %d\n", instance->host_no, data, addr, count, dir);
@@ -917,38 +910,37 @@ unsigned long atari_scsi_dma_setup( struct Scsi_Host *instance, void *data,
 		 * wanted address.
 		 */
 		if (dir)
-			memcpy( atari_dma_buffer, data, count );
+			memcpy(atari_dma_buffer, data, count);
 		else
 			atari_dma_orig_addr = data;
 		addr = atari_dma_phys_buffer;
 	}
-	
+
 	atari_dma_startaddr = addr;	/* Needed for calculating residual later. */
-  
+
 	/* Cache cleanup stuff: On writes, push any dirty cache out before sending
 	 * it to the peripheral. (Must be done before DMA setup, since at least
 	 * the ST-DMA begins to fill internal buffers right after setup. For
 	 * reads, invalidate any cache, may be altered after DMA without CPU
 	 * knowledge.
-	 * 
+	 *
 	 * ++roman: For the Medusa, there's no need at all for that cache stuff,
 	 * because the hardware does bus snooping (fine!).
 	 */
-	dma_cache_maintenance( addr, count, dir );
+	dma_cache_maintenance(addr, count, dir);
 
 	if (count == 0)
 		printk(KERN_NOTICE "SCSI warning: DMA programmed for 0 bytes !\n");
 
 	if (IS_A_TT()) {
 		tt_scsi_dma.dma_ctrl = dir;
-		SCSI_DMA_WRITE_P( dma_addr, addr );
-		SCSI_DMA_WRITE_P( dma_cnt, count );
+		SCSI_DMA_WRITE_P(dma_addr, addr);
+		SCSI_DMA_WRITE_P(dma_cnt, count);
 		tt_scsi_dma.dma_ctrl = dir | 2;
-	}
-	else { /* ! IS_A_TT */
-  
+	} else { /* ! IS_A_TT */
+
 		/* set address */
-		SCSI_DMA_SETADR( addr );
+		SCSI_DMA_SETADR(addr);
 
 		/* toggle direction bit to clear FIFO and set DMA direction */
 		dir <<= 8;
@@ -966,13 +958,13 @@ unsigned long atari_scsi_dma_setup( struct Scsi_Host *instance, void *data,
 		atari_dma_active = 1;
 	}
 
-	return( count );
+	return count;
 }
 
 
-static long atari_scsi_dma_residual( struct Scsi_Host *instance )
+static long atari_scsi_dma_residual(struct Scsi_Host *instance)
 {
-	return( atari_dma_residual );
+	return atari_dma_residual;
 }
 
 
@@ -980,13 +972,13 @@ static long atari_scsi_dma_residual( struct Scsi_Host *instance )
 #define	CMD_SURELY_BYTE_MODE	1
 #define	CMD_MODE_UNKNOWN		2
 
-static int falcon_classify_cmd( Scsi_Cmnd *cmd )
+static int falcon_classify_cmd(Scsi_Cmnd *cmd)
 {
 	unsigned char opcode = cmd->cmnd[0];
-	
+
 	if (opcode == READ_DEFECT_DATA || opcode == READ_LONG ||
-		opcode == READ_BUFFER)
-		return( CMD_SURELY_BYTE_MODE );
+	    opcode == READ_BUFFER)
+		return CMD_SURELY_BYTE_MODE;
 	else if (opcode == READ_6 || opcode == READ_10 ||
 		 opcode == 0xa8 /* READ_12 */ || opcode == READ_REVERSE ||
 		 opcode == RECOVER_BUFFERED_DATA) {
@@ -994,12 +986,11 @@ static int falcon_classify_cmd( Scsi_Cmnd *cmd )
 		 * needed here: The transfer is block-mode only if the 'fixed' bit is
 		 * set! */
 		if (cmd->device->type == TYPE_TAPE && !(cmd->cmnd[1] & 1))
-			return( CMD_SURELY_BYTE_MODE );
+			return CMD_SURELY_BYTE_MODE;
 		else
-			return( CMD_SURELY_BLOCK_MODE );
-	}
-	else
-		return( CMD_MODE_UNKNOWN );
+			return CMD_SURELY_BLOCK_MODE;
+	} else
+		return CMD_MODE_UNKNOWN;
 }
 
 
@@ -1012,19 +1003,18 @@ static int falcon_classify_cmd( Scsi_Cmnd *cmd )
  * the overrun problem, so this question is academic :-)
  */
 
-static unsigned long atari_dma_xfer_len( unsigned long wanted_len,
-					Scsi_Cmnd *cmd,
-					int write_flag )
+static unsigned long atari_dma_xfer_len(unsigned long wanted_len,
+					Scsi_Cmnd *cmd, int write_flag)
 {
 	unsigned long	possible_len, limit;
 #ifndef CONFIG_TT_DMA_EMUL
 	if (MACH_IS_HADES)
 		/* Hades has no SCSI DMA at all :-( Always force use of PIO */
-		return( 0 );
-#endif	
+		return 0;
+#endif
 	if (IS_A_TT())
 		/* TT SCSI DMA can transfer arbitrary #bytes */
-		return( wanted_len );
+		return wanted_len;
 
 	/* ST DMA chip is stupid -- only multiples of 512 bytes! (and max.
 	 * 255*512 bytes, but this should be enough)
@@ -1060,8 +1050,7 @@ static unsigned long atari_dma_xfer_len( unsigned long wanted_len,
 		 * this).
 		 */
 		possible_len = wanted_len;
-	}
-	else {
+	} else {
 		/* Read operations: if the wanted transfer length is not a multiple of
 		 * 512, we cannot use DMA, since the ST-DMA cannot split transfers
 		 * (no interrupt on DMA finished!)
@@ -1071,15 +1060,15 @@ static unsigned long atari_dma_xfer_len( unsigned long wanted_len,
 		else {
 			/* Now classify the command (see above) and decide whether it is
 			 * allowed to do DMA at all */
-			switch( falcon_classify_cmd( cmd )) {
-			  case CMD_SURELY_BLOCK_MODE:
+			switch (falcon_classify_cmd(cmd)) {
+			case CMD_SURELY_BLOCK_MODE:
 				possible_len = wanted_len;
 				break;
-			  case CMD_SURELY_BYTE_MODE:
+			case CMD_SURELY_BYTE_MODE:
 				possible_len = 0; /* DMA prohibited */
 				break;
-			  case CMD_MODE_UNKNOWN:
-			  default:
+			case CMD_MODE_UNKNOWN:
+			default:
 				/* For unknown commands assume block transfers if the transfer
 				 * size/allocation length is >= 1024 */
 				possible_len = (wanted_len < 1024) ? 0 : wanted_len;
@@ -1087,9 +1076,9 @@ static unsigned long atari_dma_xfer_len( unsigned long wanted_len,
 			}
 		}
 	}
-	
+
 	/* Last step: apply the hard limit on DMA transfers */
-	limit = (atari_dma_buffer && !STRAM_ADDR( virt_to_phys(cmd->SCp.ptr) )) ?
+	limit = (atari_dma_buffer && !STRAM_ADDR(virt_to_phys(cmd->SCp.ptr))) ?
 		    STRAM_BUFFER_SIZE : 255*512;
 	if (possible_len > limit)
 		possible_len = limit;
@@ -1098,7 +1087,7 @@ static unsigned long atari_dma_xfer_len( unsigned long wanted_len,
 		DMA_PRINTK("Sorry, must cut DMA transfer size to %ld bytes "
 			   "instead of %ld\n", possible_len, wanted_len);
 
-	return( possible_len );
+	return possible_len;
 }
 
 
@@ -1112,23 +1101,23 @@ static unsigned long atari_dma_xfer_len( unsigned long wanted_len,
  * NCR5380_write call these functions via function pointers.
  */
 
-static unsigned char atari_scsi_tt_reg_read( unsigned char reg )
+static unsigned char atari_scsi_tt_reg_read(unsigned char reg)
 {
-	return( tt_scsi_regp[reg * 2] );
+	return tt_scsi_regp[reg * 2];
 }
 
-static void atari_scsi_tt_reg_write( unsigned char reg, unsigned char value )
+static void atari_scsi_tt_reg_write(unsigned char reg, unsigned char value)
 {
 	tt_scsi_regp[reg * 2] = value;
 }
 
-static unsigned char atari_scsi_falcon_reg_read( unsigned char reg )
+static unsigned char atari_scsi_falcon_reg_read(unsigned char reg)
 {
 	dma_wd.dma_mode_status= (u_short)(0x88 + reg);
-	return( (u_char)dma_wd.fdc_acces_seccount );
+	return (u_char)dma_wd.fdc_acces_seccount;
 }
 
-static void atari_scsi_falcon_reg_write( unsigned char reg, unsigned char value )
+static void atari_scsi_falcon_reg_write(unsigned char reg, unsigned char value)
 {
 	dma_wd.dma_mode_status = (u_short)(0x88 + reg);
 	dma_wd.fdc_acces_seccount = (u_short)value;