9 files changed, 56 insertions, 58 deletions

diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
index 245d16d078ad..2a96bebd8969 100644
--- a/arch/m68k/mac/baboon.c
+++ b/arch/m68k/mac/baboon.c
@@ -92,7 +92,8 @@ static irqreturn_t baboon_irq(int irq, void *dev_id)
 void __init baboon_register_interrupts(void)
 {
         baboon_disabled = 0;
-        request_irq(IRQ_NUBUS_C, baboon_irq, 0, "baboon", (void *)baboon);
+        if (request_irq(IRQ_NUBUS_C, baboon_irq, 0, "baboon", (void *)baboon))
+                pr_err("Couldn't register baboon interrupt\n");
 }
 
 /*
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index 8819b97be324..98b6bcfb37bf 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -47,13 +47,6 @@
 
 struct mac_booter_data mac_bi_data;
 
-/* New m68k bootinfo stuff and videobase */
-
-extern int m68k_num_memory;
-extern struct mem_info m68k_memory[NUM_MEMINFO];
-
-extern struct mem_info m68k_ramdisk;
-
 /* The phys. video addr. - might be bogus on some machines */
 static unsigned long mac_orig_videoaddr;
 
@@ -61,7 +54,6 @@ static unsigned long mac_orig_videoaddr;
 extern unsigned long mac_gettimeoffset(void);
 extern int mac_hwclk(int, struct rtc_time *);
 extern int mac_set_clock_mmss(unsigned long);
-extern int show_mac_interrupts(struct seq_file *, void *);
 extern void iop_preinit(void);
 extern void iop_init(void);
 extern void via_init(void);
@@ -805,10 +797,6 @@ static void __init mac_identify(void)
                 mac_bi_data.boottime, mac_bi_data.gmtbias);
         printk(KERN_DEBUG " Machine ID: %ld CPUid: 0x%lx memory size: 0x%lx \n",
                 mac_bi_data.id, mac_bi_data.cpuid, mac_bi_data.memsize);
-#if 0
-        printk("Ramdisk: addr 0x%lx size 0x%lx\n",
-                m68k_ramdisk.addr, m68k_ramdisk.size);
-#endif
 
         iop_init();
         via_init();
diff --git a/arch/m68k/mac/debug.c b/arch/m68k/mac/debug.c
index 65dd77a742a3..bce074ceb768 100644
--- a/arch/m68k/mac/debug.c
+++ b/arch/m68k/mac/debug.c
@@ -27,7 +27,6 @@
 #include <asm/macints.h>
 
 extern unsigned long mac_videobase;
-extern unsigned long mac_videodepth;
 extern unsigned long mac_rowbytes;
 
 extern void mac_serial_print(const char *);
diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c
index 326fb9978094..1ad4e9d80eba 100644
--- a/arch/m68k/mac/iop.c
+++ b/arch/m68k/mac/iop.c
@@ -305,14 +305,16 @@ void __init iop_register_interrupts(void)
 {
         if (iop_ism_present) {
                 if (oss_present) {
-                        request_irq(OSS_IRQLEV_IOPISM, iop_ism_irq,
+                        if (request_irq(OSS_IRQLEV_IOPISM, iop_ism_irq,
                                         IRQ_FLG_LOCK, "ISM IOP",
-                                        (void *) IOP_NUM_ISM);
+                                        (void *) IOP_NUM_ISM))
+                                pr_err("Couldn't register ISM IOP interrupt\n");
                         oss_irq_enable(IRQ_MAC_ADB);
                 } else {
-                        request_irq(IRQ_VIA2_0, iop_ism_irq,
+                        if (request_irq(IRQ_VIA2_0, iop_ism_irq,
                                         IRQ_FLG_LOCK|IRQ_FLG_FAST, "ISM IOP",
-                                        (void *) IOP_NUM_ISM);
+                                        (void *) IOP_NUM_ISM))
+                                pr_err("Couldn't register ISM IOP interrupt\n");
                 }
                 if (!iop_alive(iop_base[IOP_NUM_ISM])) {
                         printk("IOP: oh my god, they killed the ISM IOP!\n");
diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c
index 82e560c076ce..23711074e0e2 100644
--- a/arch/m68k/mac/macints.c
+++ b/arch/m68k/mac/macints.c
@@ -134,6 +134,7 @@
 #include <asm/errno.h>
 #include <asm/macints.h>
 #include <asm/irq_regs.h>
+#include <asm/mac_oss.h>
 
 #define DEBUG_SPURIOUS
 #define SHUTUP_SONIC
@@ -146,7 +147,6 @@ static int scc_mask;
  * VIA/RBV hooks
  */
 
-extern void via_init(void);
 extern void via_register_interrupts(void);
 extern void via_irq_enable(int);
 extern void via_irq_disable(int);
@@ -157,9 +157,6 @@ extern int  via_irq_pending(int);
  * OSS hooks
  */
 
-extern int oss_present;
-
-extern void oss_init(void);
 extern void oss_register_interrupts(void);
 extern void oss_irq_enable(int);
 extern void oss_irq_disable(int);
@@ -170,9 +167,6 @@ extern int  oss_irq_pending(int);
  * PSC hooks
  */
 
-extern int psc_present;
-
-extern void psc_init(void);
 extern void psc_register_interrupts(void);
 extern void psc_irq_enable(int);
 extern void psc_irq_disable(int);
@@ -191,12 +185,10 @@ extern void iop_register_interrupts(void);
 
 extern int baboon_present;
 
-extern void baboon_init(void);
 extern void baboon_register_interrupts(void);
 extern void baboon_irq_enable(int);
 extern void baboon_irq_disable(int);
 extern void baboon_irq_clear(int);
-extern int  baboon_irq_pending(int);
 
 /*
  * SCC interrupt routines
@@ -258,8 +250,9 @@ void __init mac_init_IRQ(void)
         if (baboon_present)
                 baboon_register_interrupts();
         iop_register_interrupts();
-        request_irq(IRQ_AUTO_7, mac_nmi_handler, 0, "NMI",
-                        mac_nmi_handler);
+        if (request_irq(IRQ_AUTO_7, mac_nmi_handler, 0, "NMI",
+                        mac_nmi_handler))
+                pr_err("Couldn't register NMI\n");
 #ifdef DEBUG_MACINTS
         printk("mac_init_IRQ(): Done!\n");
 #endif
diff --git a/arch/m68k/mac/misc.c b/arch/m68k/mac/misc.c
index a44c7086ab39..5d818568b343 100644
--- a/arch/m68k/mac/misc.c
+++ b/arch/m68k/mac/misc.c
@@ -35,7 +35,6 @@
 
 #define RTC_OFFSET 2082844800
 
-extern struct mac_booter_data mac_bi_data;
 static void (*rom_reset)(void);
 
 #ifdef CONFIG_ADB_CUDA
diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index 8426501119ca..f3d23d6ebcf8 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -66,16 +66,21 @@ void __init oss_init(void)
 
 void __init oss_register_interrupts(void)
 {
-        request_irq(OSS_IRQLEV_SCSI, oss_irq, IRQ_FLG_LOCK,
-                        "scsi", (void *) oss);
-        request_irq(OSS_IRQLEV_IOPSCC, mac_scc_dispatch, IRQ_FLG_LOCK,
-                        "scc", mac_scc_dispatch);
-        request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, IRQ_FLG_LOCK,
-                        "nubus", (void *) oss);
-        request_irq(OSS_IRQLEV_SOUND, oss_irq, IRQ_FLG_LOCK,
-                        "sound", (void *) oss);
-        request_irq(OSS_IRQLEV_VIA1, via1_irq, IRQ_FLG_LOCK,
-                        "via1", (void *) via1);
+        if (request_irq(OSS_IRQLEV_SCSI, oss_irq, IRQ_FLG_LOCK,
+                        "scsi", (void *) oss))
+                pr_err("Couldn't register %s interrupt\n", "scsi");
+        if (request_irq(OSS_IRQLEV_IOPSCC, mac_scc_dispatch, IRQ_FLG_LOCK,
+                        "scc", mac_scc_dispatch))
+                pr_err("Couldn't register %s interrupt\n", "scc");
+        if (request_irq(OSS_IRQLEV_NUBUS, oss_nubus_irq, IRQ_FLG_LOCK,
+                        "nubus", (void *) oss))
+                pr_err("Couldn't register %s interrupt\n", "nubus");
+        if (request_irq(OSS_IRQLEV_SOUND, oss_irq, IRQ_FLG_LOCK,
+                        "sound", (void *) oss))
+                pr_err("Couldn't register %s interrupt\n", "sound");
+        if (request_irq(OSS_IRQLEV_VIA1, via1_irq, IRQ_FLG_LOCK,
+                        "via1", (void *) via1))
+                pr_err("Couldn't register %s interrupt\n", "via1");
 }
 
 /*
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c
index f84a4dd64f94..ba6ccab64018 100644
--- a/arch/m68k/mac/psc.c
+++ b/arch/m68k/mac/psc.c
@@ -117,10 +117,14 @@ void __init psc_init(void)
 
 void __init psc_register_interrupts(void)
 {
-        request_irq(IRQ_AUTO_3, psc_irq, 0, "psc3", (void *) 0x30);
-        request_irq(IRQ_AUTO_4, psc_irq, 0, "psc4", (void *) 0x40);
-        request_irq(IRQ_AUTO_5, psc_irq, 0, "psc5", (void *) 0x50);
-        request_irq(IRQ_AUTO_6, psc_irq, 0, "psc6", (void *) 0x60);
+        if (request_irq(IRQ_AUTO_3, psc_irq, 0, "psc3", (void *) 0x30))
+                pr_err("Couldn't register psc%d interrupt\n", 3);
+        if (request_irq(IRQ_AUTO_4, psc_irq, 0, "psc4", (void *) 0x40))
+                pr_err("Couldn't register psc%d interrupt\n", 4);
+        if (request_irq(IRQ_AUTO_5, psc_irq, 0, "psc5", (void *) 0x50))
+                pr_err("Couldn't register psc%d interrupt\n", 5);
+        if (request_irq(IRQ_AUTO_6, psc_irq, 0, "psc6", (void *) 0x60))
+                pr_err("Couldn't register psc%d interrupt\n", 6);
 }
 
 /*
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index f01d418e64fe..7d97ba54536e 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -34,6 +34,7 @@
 #include <asm/macints.h>
 #include <asm/mac_via.h>
 #include <asm/mac_psc.h>
+#include <asm/mac_oss.h>
 
 volatile __u8 *via1, *via2;
 int rbv_present;
@@ -84,7 +85,6 @@ void via_irq_disable(int irq);
 void via_irq_clear(int irq);
 
 extern irqreturn_t mac_scc_dispatch(int, void *);
-extern int oss_present;
 
 /*
  * Initialize the VIAs
@@ -283,7 +283,8 @@ void __init via_init_clock(irq_handler_t func)
         via1[vT1CL] = MAC_CLOCK_LOW;
         via1[vT1CH] = MAC_CLOCK_HIGH;
 
-        request_irq(IRQ_MAC_TIMER_1, func, IRQ_FLG_LOCK, "timer", func);
+        if (request_irq(IRQ_MAC_TIMER_1, func, IRQ_FLG_LOCK, "timer", func))
+                pr_err("Couldn't register %s interrupt\n", "timer");
 }
 
 /*
@@ -293,25 +294,31 @@ void __init via_init_clock(irq_handler_t func)
 void __init via_register_interrupts(void)
 {
         if (via_alt_mapping) {
-                request_irq(IRQ_AUTO_1, via1_irq,
+                if (request_irq(IRQ_AUTO_1, via1_irq,
                                 IRQ_FLG_LOCK|IRQ_FLG_FAST, "software",
-                                (void *) via1);
-                request_irq(IRQ_AUTO_6, via1_irq,
+                                (void *) via1))
+                        pr_err("Couldn't register %s interrupt\n", "software");
+                if (request_irq(IRQ_AUTO_6, via1_irq,
                                 IRQ_FLG_LOCK|IRQ_FLG_FAST, "via1",
-                                (void *) via1);
+                                (void *) via1))
+                        pr_err("Couldn't register %s interrupt\n", "via1");
         } else {
-                request_irq(IRQ_AUTO_1, via1_irq,
+                if (request_irq(IRQ_AUTO_1, via1_irq,
                                 IRQ_FLG_LOCK|IRQ_FLG_FAST, "via1",
-                                (void *) via1);
+                                (void *) via1))
+                        pr_err("Couldn't register %s interrupt\n", "via1");
         }
-        request_irq(IRQ_AUTO_2, via2_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
-                        "via2", (void *) via2);
+        if (request_irq(IRQ_AUTO_2, via2_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
+                        "via2", (void *) via2))
+                pr_err("Couldn't register %s interrupt\n", "via2");
         if (!psc_present) {
-                request_irq(IRQ_AUTO_4, mac_scc_dispatch, IRQ_FLG_LOCK,
-                                "scc", mac_scc_dispatch);
+                if (request_irq(IRQ_AUTO_4, mac_scc_dispatch, IRQ_FLG_LOCK,
+                                "scc", mac_scc_dispatch))
+                        pr_err("Couldn't register %s interrupt\n", "scc");
         }
-        request_irq(IRQ_MAC_NUBUS, via_nubus_irq, IRQ_FLG_LOCK|IRQ_FLG_FAST,
-                        "nubus", (void *) via2);
+        if (request_irq(IRQ_MAC_NUBUS, via_nubus_irq,
+                        IRQ_FLG_LOCK|IRQ_FLG_FAST, "nubus", (void *) via2))
+                pr_err("Couldn't register %s interrupt\n", "nubus");
 }
 
 /*