X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fm68k%2Fmac%2Foss.c;h=3c943d2ec570b07f8e05c90701172b28bc964a85;hb=418f19ea17a99421b22a64e101e14b6a16bed66d;hp=63690819565a317fc31b0c2ffc06ec95b9170d17;hpb=c45aa055c32b488fc3fd73c760df372b09acf69a;p=pandora-kernel.git

diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index 63690819565a..8426501119ca 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -8,7 +8,7 @@
  *
  * 990502 (jmt) - Major rewrite for new interrupt architecture as well as some
  *		  recent insights into OSS operational details.
- * 990610 (jmt) - Now taking fulll advantage of the OSS. Interrupts are mapped
+ * 990610 (jmt) - Now taking full advantage of the OSS. Interrupts are mapped
  *		  to mostly match the A/UX interrupt scheme supported on the
  *		  VIA side. Also added support for enabling the ISM irq again
  *		  since we now have a functional IOP manager.
@@ -21,7 +21,6 @@
 #include <linux/init.h>
 
 #include <asm/bootinfo.h>
-#include <asm/machw.h>
 #include <asm/macintosh.h>
 #include <asm/macints.h>
 #include <asm/mac_via.h>
@@ -30,8 +29,8 @@
 int oss_present;
 volatile struct mac_oss *oss;
 
-irqreturn_t oss_irq(int, void *);
-irqreturn_t oss_nubus_irq(int, void *);
+static irqreturn_t oss_irq(int, void *);
+static irqreturn_t oss_nubus_irq(int, void *);
 
 extern irqreturn_t via1_irq(int, void *);
 extern irqreturn_t mac_scc_dispatch(int, void *);
@@ -92,7 +91,7 @@ void __init oss_nubus_init(void)
  * and SCSI; everything else is routed to its own autovector IRQ.
  */
 
-irqreturn_t oss_irq(int irq, void *dev_id)
+static irqreturn_t oss_irq(int irq, void *dev_id)
 {
 	int events;
 
@@ -109,13 +108,11 @@ irqreturn_t oss_irq(int irq, void *dev_id)
 	/* FIXME: how do you clear a pending IRQ?    */
 
 	if (events & OSS_IP_SOUND) {
-		/* FIXME: call sound handler */
 		oss->irq_pending &= ~OSS_IP_SOUND;
+		/* FIXME: call sound handler */
 	} else if (events & OSS_IP_SCSI) {
-		oss->irq_level[OSS_SCSI] = OSS_IRQLEV_DISABLED;
-		m68k_handle_int(IRQ_MAC_SCSI);
 		oss->irq_pending &= ~OSS_IP_SCSI;
-		oss->irq_level[OSS_SCSI] = OSS_IRQLEV_SCSI;
+		m68k_handle_int(IRQ_MAC_SCSI);
 	} else {
 		/* FIXME: error check here? */
 	}
@@ -128,7 +125,7 @@ irqreturn_t oss_irq(int irq, void *dev_id)
  * Unlike the VIA/RBV this is on its own autovector interrupt level.
  */
 
-irqreturn_t oss_nubus_irq(int irq, void *dev_id)
+static irqreturn_t oss_nubus_irq(int irq, void *dev_id)
 {
 	int events, irq_bit, i;
 
@@ -143,14 +140,16 @@ irqreturn_t oss_nubus_irq(int irq, void *dev_id)
 #endif
 	/* There are only six slots on the OSS, not seven */
 
-	for (i = 0, irq_bit = 1 ; i < 6 ; i++, irq_bit <<= 1) {
+	i = 6;
+	irq_bit = 0x40;
+	do {
+		--i;
+		irq_bit >>= 1;
 		if (events & irq_bit) {
-			oss->irq_level[i] = OSS_IRQLEV_DISABLED;
-			m68k_handle_int(NUBUS_SOURCE_BASE + i);
 			oss->irq_pending &= ~irq_bit;
-			oss->irq_level[i] = OSS_IRQLEV_NUBUS;
+			m68k_handle_int(NUBUS_SOURCE_BASE + i);
 		}
-	}
+	} while(events & (irq_bit - 1));
 	return IRQ_HANDLED;
 }
 
@@ -190,7 +189,7 @@ void oss_irq_enable(int irq) {
 			break;
 #ifdef DEBUG_IRQUSE
 		default:
-			printk("%s unknown irq %d\n",__FUNCTION__, irq);
+			printk("%s unknown irq %d\n", __func__, irq);
 			break;
 #endif
 	}
@@ -230,7 +229,7 @@ void oss_irq_disable(int irq) {
 			break;
 #ifdef DEBUG_IRQUSE
 		default:
-			printk("%s unknown irq %d\n", __FUNCTION__, irq);
+			printk("%s unknown irq %d\n", __func__, irq);
 			break;
 #endif
 	}