X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fscsi%2Fatari_scsi.c;h=d1c37a386947b03d080524dac5f18c244580bd08;hb=b2eb0489809cf0b824357b6fa85aab1aabe3f063;hp=045112186f84329b823df0b0568638416c653e00;hpb=e3c3da67340ac7d1d2f630f319eb718474b0d9c3;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c
index 045112186f84..d1c37a386947 100644
--- a/drivers/scsi/atari_scsi.c
+++ b/drivers/scsi/atari_scsi.c
@@ -89,6 +89,7 @@
 #define REAL_DMA
 #define SUPPORT_TAGS
 #define MAX_TAGS                        32
+#define DMA_MIN_SIZE                    32
 
 #define NCR5380_implementation_fields   /* none */
 
@@ -109,7 +110,7 @@
 #define NCR5380_dma_xfer_len(instance, cmd, phase) \
         atari_dma_xfer_len(cmd->SCp.this_residual, cmd, !((phase) & SR_IO))
 
-#define NCR5380_acquire_dma_irq(instance)      falcon_get_lock()
+#define NCR5380_acquire_dma_irq(instance)      falcon_get_lock(instance)
 #define NCR5380_release_dma_irq(instance)      falcon_release_lock()
 
 #include "NCR5380.h"
@@ -467,15 +468,15 @@ static void falcon_release_lock(void)
  * command immediately but tell the SCSI mid-layer to defer.
  */
 
-static int falcon_get_lock(void)
+static int falcon_get_lock(struct Scsi_Host *instance)
 {
 	if (IS_A_TT())
 		return 1;
 
 	if (in_interrupt())
-		return stdma_try_lock(scsi_falcon_intr, NULL);
+		return stdma_try_lock(scsi_falcon_intr, instance);
 
-	stdma_lock(scsi_falcon_intr, NULL);
+	stdma_lock(scsi_falcon_intr, instance);
 	return 1;
 }
 
@@ -889,10 +890,6 @@ static int __init atari_scsi_probe(struct platform_device *pdev)
 		}
 	}
 
-#ifdef SUPPORT_TAGS
-	if (setup_use_tagged_queuing < 0)
-		setup_use_tagged_queuing = 0;
-#endif
 
 #ifdef REAL_DMA
 	/* If running on a Falcon and if there's TT-Ram (i.e., more than one
@@ -928,6 +925,10 @@ static int __init atari_scsi_probe(struct platform_device *pdev)
 
 	host_flags |= IS_A_TT() ? 0 : FLAG_LATE_DMA_SETUP;
 
+#ifdef SUPPORT_TAGS
+	host_flags |= setup_use_tagged_queuing > 0 ? FLAG_TAGGED_QUEUING : 0;
+#endif
+
 	NCR5380_init(instance, host_flags);
 
 	if (IS_A_TT()) {