From f825e40b235f4daf1c9017366809d34c7f5c8c7f Mon Sep 17 00:00:00 2001
From: Finn Thain <fthain@telegraphics.com.au>
Date: Wed, 23 Mar 2016 21:10:15 +1100
Subject: ncr5380: Remove PSEUDO_DMA macro

For those wrapper drivers which only implement Programmed IO, have
NCR5380_dma_xfer_len() evaluate to zero. That allows PDMA to be easily
disabled at run-time and so the PSEUDO_DMA macro is no longer needed.

Also remove the spin counters used for debugging pseudo DMA drivers.

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>
---
 drivers/scsi/arm/cumana_1.c | 2 --
 drivers/scsi/arm/oak.c      | 3 +--
 2 files changed, 1 insertion(+), 4 deletions(-)

(limited to 'drivers/scsi/arm')

diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c
index 76b2d3364d9f..6e9de19fc3c2 100644
--- a/drivers/scsi/arm/cumana_1.c
+++ b/drivers/scsi/arm/cumana_1.c
@@ -13,8 +13,6 @@
 
 #include <scsi/scsi_host.h>
 
-#define PSEUDO_DMA
-
 #define priv(host)			((struct NCR5380_hostdata *)(host)->hostdata)
 #define NCR5380_read(reg)		cumanascsi_read(instance, reg)
 #define NCR5380_write(reg, value)	cumanascsi_write(instance, reg, value)
diff --git a/drivers/scsi/arm/oak.c b/drivers/scsi/arm/oak.c
index 8d8426535e6d..63abd6b248a6 100644
--- a/drivers/scsi/arm/oak.c
+++ b/drivers/scsi/arm/oak.c
@@ -14,7 +14,6 @@
 
 #include <scsi/scsi_host.h>
 
-/*#define PSEUDO_DMA*/
 #define DONT_USE_INTR
 
 #define priv(host)			((struct NCR5380_hostdata *)(host)->hostdata)
@@ -24,7 +23,7 @@
 #define NCR5380_write(reg, value) \
 	writeb(value, priv(instance)->base + ((reg) << 2))
 
-#define NCR5380_dma_xfer_len(instance, cmd, phase)	(cmd->transfersize)
+#define NCR5380_dma_xfer_len(instance, cmd, phase)	(0)
 
 #define NCR5380_queue_command		oakscsi_queue_command
 #define NCR5380_info			oakscsi_info
-- 
cgit v1.2.3