atari_NCR5380.c enables its IRQ when it is already enabled. Sun3 doesn't
use the ENABLE_IRQ/DISABLE_IRQ cruft. Remove it.

Signed-off-by: Finn Thain <fth...@telegraphics.com.au>
Reviewed-by: Hannes Reinecke <h...@suse.de>
Tested-by: Michael Schmitz <schmitz...@gmail.com>

---
 drivers/scsi/atari_NCR5380.c |    2 --
 drivers/scsi/atari_scsi.c    |   21 ---------------------
 drivers/scsi/sun3_NCR5380.c  |    2 --
 drivers/scsi/sun3_scsi.c     |    7 -------
 4 files changed, 32 deletions(-)

Index: linux/drivers/scsi/atari_NCR5380.c
===================================================================
--- linux.orig/drivers/scsi/atari_NCR5380.c     2014-11-12 16:11:25.000000000 
+1100
+++ linux/drivers/scsi/atari_NCR5380.c  2014-11-12 16:11:31.000000000 +1100
@@ -1227,7 +1227,6 @@ static irqreturn_t NCR5380_intr(int irq,
                NCR5380_dprint(NDEBUG_INTR, instance);
                if ((NCR5380_read(STATUS_REG) & (SR_SEL|SR_IO)) == 
(SR_SEL|SR_IO)) {
                        done = 0;
-                       ENABLE_IRQ();
                        dprintk(NDEBUG_INTR, "scsi%d: SEL interrupt\n", HOSTNO);
                        NCR5380_reselect(instance);
                        (void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
@@ -1257,7 +1256,6 @@ static irqreturn_t NCR5380_intr(int irq,
                                dprintk(NDEBUG_INTR, "scsi%d: PHASE MISM or EOP 
interrupt\n", HOSTNO);
                                NCR5380_dma_complete( instance );
                                done = 0;
-                               ENABLE_IRQ();
                        } else
 #endif /* REAL_DMA */
                        {
Index: linux/drivers/scsi/atari_scsi.c
===================================================================
--- linux.orig/drivers/scsi/atari_scsi.c        2014-11-12 16:11:28.000000000 
+1100
+++ linux/drivers/scsi/atari_scsi.c     2014-11-12 16:11:31.000000000 +1100
@@ -157,23 +157,6 @@ static inline unsigned long SCSI_DMA_GET
        return adr;
 }
 
-static inline void ENABLE_IRQ(void)
-{
-       if (IS_A_TT())
-               atari_enable_irq(IRQ_TT_MFP_SCSI);
-       else
-               atari_enable_irq(IRQ_MFP_FSCSI);
-}
-
-static inline void DISABLE_IRQ(void)
-{
-       if (IS_A_TT())
-               atari_disable_irq(IRQ_TT_MFP_SCSI);
-       else
-               atari_disable_irq(IRQ_MFP_FSCSI);
-}
-
-
 #define HOSTDATA_DMALEN                (((struct NCR5380_hostdata *) \
                                (atari_scsi_host->hostdata))->dma_len)
 
@@ -373,10 +356,6 @@ static irqreturn_t scsi_tt_intr(int irq,
 
        NCR5380_intr(irq, dummy);
 
-#if 0
-       /* To be sure the int is not masked */
-       atari_enable_irq(IRQ_TT_MFP_SCSI);
-#endif
        return IRQ_HANDLED;
 }
 
Index: linux/drivers/scsi/sun3_NCR5380.c
===================================================================
--- linux.orig/drivers/scsi/sun3_NCR5380.c      2014-11-12 16:11:16.000000000 
+1100
+++ linux/drivers/scsi/sun3_NCR5380.c   2014-11-12 16:11:31.000000000 +1100
@@ -1155,7 +1155,6 @@ static irqreturn_t NCR5380_intr (int irq
        NCR5380_dprint(NDEBUG_INTR, instance);
        if ((NCR5380_read(STATUS_REG) & (SR_SEL|SR_IO)) == (SR_SEL|SR_IO)) {
            done = 0;
-//         ENABLE_IRQ();
            dprintk(NDEBUG_INTR, "scsi%d: SEL interrupt\n", HOSTNO);
            NCR5380_reselect(instance);
            (void) NCR5380_read(RESET_PARITY_INTERRUPT_REG);
@@ -1188,7 +1187,6 @@ static irqreturn_t NCR5380_intr (int irq
                dprintk(NDEBUG_INTR, "scsi%d: PHASE MISM or EOP interrupt\n", 
HOSTNO);
                NCR5380_dma_complete( instance );
                done = 0;
-//             ENABLE_IRQ();
            } else
 #endif /* REAL_DMA */
            {
Index: linux/drivers/scsi/sun3_scsi.c
===================================================================
--- linux.orig/drivers/scsi/sun3_scsi.c 2014-11-12 16:11:30.000000000 +1100
+++ linux/drivers/scsi/sun3_scsi.c      2014-11-12 16:11:31.000000000 +1100
@@ -69,13 +69,6 @@
 
 extern int sun3_map_test(unsigned long, char *);
 
-#ifdef SUN3_SCSI_VME
-#define ENABLE_IRQ()
-#else
-#define        ENABLE_IRQ()    enable_irq( IRQ_SUN3_SCSI ); 
-#endif
-
-
 static int setup_can_queue = -1;
 module_param(setup_can_queue, int, 0);
 static int setup_cmd_per_lun = -1;


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