ncr5380: Remove REAL_DMA and REAL_DMA_POLL macros

For the NCR5380.c core driver, these macros are never used.
If REAL_DMA were to be defined, compilation would fail.

For the atari_NCR5380.c core driver, REAL_DMA is always defined.

Hence these macros are pointless.

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Tested-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

1 files changed, 0 insertions, 112 deletions

diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h
index a79288682a74..0b03ba25bd66 100644
--- a/drivers/scsi/NCR5380.h
+++ b/drivers/scsi/NCR5380.h
@@ -239,9 +239,7 @@ struct NCR5380_hostdata {
 	struct Scsi_Host *host;			/* Host backpointer */
 	unsigned char id_mask, id_higher_mask;	/* 1 << id, all bits greater */
 	unsigned char busy[8];			/* index = target, bit = lun */
-#if defined(REAL_DMA) || defined(REAL_DMA_POLL)
 	int dma_len;				/* requested length of DMA */
-#endif
 	unsigned char last_message;		/* last message OUT */
 	struct scsi_cmnd *connected;		/* currently connected cmnd */
 	struct scsi_cmnd *selecting;		/* cmnd to be connected */
@@ -319,118 +317,8 @@ static void NCR5380_main(struct work_struct *work);
 static const char *NCR5380_info(struct Scsi_Host *instance);
 static void NCR5380_reselect(struct Scsi_Host *instance);
 static struct scsi_cmnd *NCR5380_select(struct Scsi_Host *, struct scsi_cmnd *);
-#if defined(PSEUDO_DMA) || defined(REAL_DMA) || defined(REAL_DMA_POLL)
 static int NCR5380_transfer_dma(struct Scsi_Host *instance, unsigned char *phase, int *count, unsigned char **data);
-#endif
 static int NCR5380_transfer_pio(struct Scsi_Host *instance, unsigned char *phase, int *count, unsigned char **data);
 
-#if (defined(REAL_DMA) || defined(REAL_DMA_POLL))
-
-#if defined(i386) || defined(__alpha__)
-
-/**
- *	NCR5380_pc_dma_setup		-	setup ISA DMA
- *	@instance: adapter to set up
- *	@ptr: block to transfer (virtual address)
- *	@count: number of bytes to transfer
- *	@mode: DMA controller mode to use
- *
- *	Program the DMA controller ready to perform an ISA DMA transfer
- *	on this chip.
- *
- *	Locks: takes and releases the ISA DMA lock.
- */
- 
-static __inline__ int NCR5380_pc_dma_setup(struct Scsi_Host *instance, unsigned char *ptr, unsigned int count, unsigned char mode)
-{
-	unsigned limit;
-	unsigned long bus_addr = virt_to_bus(ptr);
-	unsigned long flags;
-
-	if (instance->dma_channel <= 3) {
-		if (count > 65536)
-			count = 65536;
-		limit = 65536 - (bus_addr & 0xFFFF);
-	} else {
-		if (count > 65536 * 2)
-			count = 65536 * 2;
-		limit = 65536 * 2 - (bus_addr & 0x1FFFF);
-	}
-
-	if (count > limit)
-		count = limit;
-
-	if ((count & 1) || (bus_addr & 1))
-		panic("scsi%d : attempted unaligned DMA transfer\n", instance->host_no);
-	
-	flags=claim_dma_lock();
-	disable_dma(instance->dma_channel);
-	clear_dma_ff(instance->dma_channel);
-	set_dma_addr(instance->dma_channel, bus_addr);
-	set_dma_count(instance->dma_channel, count);
-	set_dma_mode(instance->dma_channel, mode);
-	enable_dma(instance->dma_channel);
-	release_dma_lock(flags);
-	
-	return count;
-}
-
-/**
- *	NCR5380_pc_dma_write_setup		-	setup ISA DMA write
- *	@instance: adapter to set up
- *	@ptr: block to transfer (virtual address)
- *	@count: number of bytes to transfer
- *
- *	Program the DMA controller ready to perform an ISA DMA write to the
- *	SCSI controller.
- *
- *	Locks: called routines take and release the ISA DMA lock.
- */
-
-static __inline__ int NCR5380_pc_dma_write_setup(struct Scsi_Host *instance, unsigned char *src, unsigned int count)
-{
-	return NCR5380_pc_dma_setup(instance, src, count, DMA_MODE_WRITE);
-}
-
-/**
- *	NCR5380_pc_dma_read_setup		-	setup ISA DMA read
- *	@instance: adapter to set up
- *	@ptr: block to transfer (virtual address)
- *	@count: number of bytes to transfer
- *
- *	Program the DMA controller ready to perform an ISA DMA read from the
- *	SCSI controller.
- *
- *	Locks: called routines take and release the ISA DMA lock.
- */
-
-static __inline__ int NCR5380_pc_dma_read_setup(struct Scsi_Host *instance, unsigned char *src, unsigned int count)
-{
-	return NCR5380_pc_dma_setup(instance, src, count, DMA_MODE_READ);
-}
-
-/**
- *	NCR5380_pc_dma_residual		-	return bytes left 
- *	@instance: adapter
- *
- *	Reports the number of bytes left over after the DMA was terminated.
- *
- *	Locks: takes and releases the ISA DMA lock.
- */
-
-static __inline__ int NCR5380_pc_dma_residual(struct Scsi_Host *instance)
-{
-	unsigned long flags;
-	int tmp;
-
-	flags = claim_dma_lock();
-	clear_dma_ff(instance->dma_channel);
-	tmp = get_dma_residue(instance->dma_channel);
-	release_dma_lock(flags);
-	
-	return tmp;
-}
-#endif				/* defined(i386) || defined(__alpha__) */
-#endif				/* defined(REAL_DMA)  */
 #endif				/* __KERNEL__ */
 #endif				/* NCR5380_H */