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-rw-r--r--arch/m68k/mac/baboon.c16
-rw-r--r--arch/m68k/mac/macints.c87
-rw-r--r--arch/m68k/mac/misc.c1
-rw-r--r--arch/m68k/mac/oss.c20
-rw-r--r--arch/m68k/mac/psc.c11
-rw-r--r--arch/m68k/mac/via.c8
6 files changed, 8 insertions, 135 deletions
diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c
index f6f7d42713ec..514acde3cd40 100644
--- a/arch/m68k/mac/baboon.c
+++ b/arch/m68k/mac/baboon.c
@@ -14,8 +14,6 @@
#include <asm/macints.h>
#include <asm/mac_baboon.h>
-/* #define DEBUG_IRQS */
-
int baboon_present;
static volatile struct baboon *baboon;
@@ -50,12 +48,6 @@ static void baboon_irq(struct irq_desc *desc)
int irq_bit, irq_num;
unsigned char events;
-#ifdef DEBUG_IRQS
- printk("baboon_irq: mb_control %02X mb_ifr %02X mb_status %02X\n",
- (uint) baboon->mb_control, (uint) baboon->mb_ifr,
- (uint) baboon->mb_status);
-#endif
-
events = baboon->mb_ifr & 0x07;
if (!events)
return;
@@ -97,18 +89,10 @@ void __init baboon_register_interrupts(void)
void baboon_irq_enable(int irq)
{
-#ifdef DEBUG_IRQUSE
- printk("baboon_irq_enable(%d)\n", irq);
-#endif
-
mac_irq_enable(irq_get_irq_data(IRQ_NUBUS_C));
}
void baboon_irq_disable(int irq)
{
-#ifdef DEBUG_IRQUSE
- printk("baboon_irq_disable(%d)\n", irq);
-#endif
-
mac_irq_disable(irq_get_irq_data(IRQ_NUBUS_C));
}
diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c
index 9f98c0871901..b5cd06df71fd 100644
--- a/arch/m68k/mac/macints.c
+++ b/arch/m68k/mac/macints.c
@@ -125,16 +125,9 @@
#include <asm/hwtest.h>
#include <asm/irq_regs.h>
-#define SHUTUP_SONIC
-
-/*
- * console_loglevel determines NMI handler function
- */
+extern void show_registers(struct pt_regs *);
irqreturn_t mac_nmi_handler(int, void *);
-irqreturn_t mac_debug_handler(int, void *);
-
-/* #define DEBUG_MACINTS */
static unsigned int mac_irq_startup(struct irq_data *);
static void mac_irq_shutdown(struct irq_data *);
@@ -149,21 +142,8 @@ static struct irq_chip mac_irq_chip = {
void __init mac_init_IRQ(void)
{
-#ifdef DEBUG_MACINTS
- printk("mac_init_IRQ(): Setting things up...\n");
-#endif
m68k_setup_irq_controller(&mac_irq_chip, handle_simple_irq, IRQ_USER,
NUM_MAC_SOURCES - IRQ_USER);
- /* Make sure the SONIC interrupt is cleared or things get ugly */
-#ifdef SHUTUP_SONIC
- printk("Killing onboard sonic... ");
- /* This address should hopefully be mapped already */
- if (hwreg_present((void*)(0x50f0a000))) {
- *(long *)(0x50f0a014) = 0x7fffL;
- *(long *)(0x50f0a010) = 0L;
- }
- printk("Done.\n");
-#endif /* SHUTUP_SONIC */
/*
* Now register the handlers for the master IRQ handlers
@@ -182,9 +162,6 @@ void __init mac_init_IRQ(void)
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
}
/*
@@ -276,65 +253,17 @@ static void mac_irq_shutdown(struct irq_data *data)
mac_irq_disable(data);
}
-static int num_debug[8];
-
-irqreturn_t mac_debug_handler(int irq, void *dev_id)
-{
- if (num_debug[irq] < 10) {
- printk("DEBUG: Unexpected IRQ %d\n", irq);
- num_debug[irq]++;
- }
- return IRQ_HANDLED;
-}
-
-static int in_nmi;
-static volatile int nmi_hold;
+static volatile int in_nmi;
irqreturn_t mac_nmi_handler(int irq, void *dev_id)
{
- int i;
- /*
- * generate debug output on NMI switch if 'debug' kernel option given
- * (only works with Penguin!)
- */
+ if (in_nmi)
+ return IRQ_HANDLED;
+ in_nmi = 1;
- in_nmi++;
- for (i=0; i<100; i++)
- udelay(1000);
-
- if (in_nmi == 1) {
- nmi_hold = 1;
- printk("... pausing, press NMI to resume ...");
- } else {
- printk(" ok!\n");
- nmi_hold = 0;
- }
+ pr_info("Non-Maskable Interrupt\n");
+ show_registers(get_irq_regs());
- barrier();
-
- while (nmi_hold == 1)
- udelay(1000);
-
- if (console_loglevel >= 8) {
-#if 0
- struct pt_regs *fp = get_irq_regs();
- show_state();
- printk("PC: %08lx\nSR: %04x SP: %p\n", fp->pc, fp->sr, fp);
- printk("d0: %08lx d1: %08lx d2: %08lx d3: %08lx\n",
- fp->d0, fp->d1, fp->d2, fp->d3);
- printk("d4: %08lx d5: %08lx a0: %08lx a1: %08lx\n",
- fp->d4, fp->d5, fp->a0, fp->a1);
-
- if (STACK_MAGIC != *(unsigned long *)current->kernel_stack_page)
- printk("Corrupted stack page\n");
- printk("Process %s (pid: %d, stackpage=%08lx)\n",
- current->comm, current->pid, current->kernel_stack_page);
- if (intr_count == 1)
- dump_stack((struct frame *)fp);
-#else
- /* printk("NMI "); */
-#endif
- }
- in_nmi--;
+ in_nmi = 0;
return IRQ_HANDLED;
}
diff --git a/arch/m68k/mac/misc.c b/arch/m68k/mac/misc.c
index c6d351f5bd79..3b1f7a6159f8 100644
--- a/arch/m68k/mac/misc.c
+++ b/arch/m68k/mac/misc.c
@@ -4,7 +4,6 @@
#include <linux/types.h>
#include <linux/errno.h>
-#include <linux/miscdevice.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/sched.h>
diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c
index 55d6592783f5..ca84dcf41fc9 100644
--- a/arch/m68k/mac/oss.c
+++ b/arch/m68k/mac/oss.c
@@ -68,15 +68,6 @@ static void oss_irq(struct irq_desc *desc)
int events = oss->irq_pending &
(OSS_IP_IOPSCC | OSS_IP_SCSI | OSS_IP_IOPISM);
-#ifdef DEBUG_IRQS
- if ((console_loglevel == 10) && !(events & OSS_IP_SCSI)) {
- unsigned int irq = irq_desc_get_irq(desc);
-
- printk("oss_irq: irq %u events = 0x%04X\n", irq,
- (int) oss->irq_pending);
- }
-#endif
-
if (events & OSS_IP_IOPSCC) {
oss->irq_pending &= ~OSS_IP_IOPSCC;
generic_handle_irq(IRQ_MAC_SCC);
@@ -107,11 +98,6 @@ static void oss_nubus_irq(struct irq_desc *desc)
if (!events)
return;
-#ifdef DEBUG_NUBUS_INT
- if (console_loglevel > 7) {
- printk("oss_nubus_irq: events = 0x%04X\n", events);
- }
-#endif
/* There are only six slots on the OSS, not seven */
i = 6;
@@ -163,9 +149,6 @@ void __init oss_register_interrupts(void)
*/
void oss_irq_enable(int irq) {
-#ifdef DEBUG_IRQUSE
- printk("oss_irq_enable(%d)\n", irq);
-#endif
switch(irq) {
case IRQ_MAC_SCC:
oss->irq_level[OSS_IOPSCC] = OSS_IRQLEV_IOPSCC;
@@ -199,9 +182,6 @@ void oss_irq_enable(int irq) {
*/
void oss_irq_disable(int irq) {
-#ifdef DEBUG_IRQUSE
- printk("oss_irq_disable(%d)\n", irq);
-#endif
switch(irq) {
case IRQ_MAC_SCC:
oss->irq_level[OSS_IOPSCC] = 0;
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c
index cb2b1a3a2b62..439a2a2e5874 100644
--- a/arch/m68k/mac/psc.c
+++ b/arch/m68k/mac/psc.c
@@ -122,11 +122,6 @@ static void psc_irq(struct irq_desc *desc)
int irq_num;
unsigned char irq_bit, events;
-#ifdef DEBUG_IRQS
- printk("psc_irq: irq %u pIFR = 0x%02X pIER = 0x%02X\n",
- irq, (int) psc_read_byte(pIFR), (int) psc_read_byte(pIER));
-#endif
-
events = psc_read_byte(pIFR) & psc_read_byte(pIER) & 0xF;
if (!events)
return;
@@ -160,9 +155,6 @@ void psc_irq_enable(int irq) {
int irq_idx = IRQ_IDX(irq);
int pIER = pIERbase + (irq_src << 4);
-#ifdef DEBUG_IRQUSE
- printk("psc_irq_enable(%d)\n", irq);
-#endif
psc_write_byte(pIER, (1 << irq_idx) | 0x80);
}
@@ -171,8 +163,5 @@ void psc_irq_disable(int irq) {
int irq_idx = IRQ_IDX(irq);
int pIER = pIERbase + (irq_src << 4);
-#ifdef DEBUG_IRQUSE
- printk("psc_irq_disable(%d)\n", irq);
-#endif
psc_write_byte(pIER, 1 << irq_idx);
}
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index 920ff63d4a81..16629e91feba 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -550,10 +550,6 @@ void via_irq_enable(int irq) {
int irq_src = IRQ_SRC(irq);
int irq_idx = IRQ_IDX(irq);
-#ifdef DEBUG_IRQUSE
- printk(KERN_DEBUG "via_irq_enable(%d)\n", irq);
-#endif
-
if (irq_src == 1) {
via1[vIER] = IER_SET_BIT(irq_idx);
} else if (irq_src == 2) {
@@ -582,10 +578,6 @@ void via_irq_disable(int irq) {
int irq_src = IRQ_SRC(irq);
int irq_idx = IRQ_IDX(irq);
-#ifdef DEBUG_IRQUSE
- printk(KERN_DEBUG "via_irq_disable(%d)\n", irq);
-#endif
-
if (irq_src == 1) {
via1[vIER] = IER_CLR_BIT(irq_idx);
} else if (irq_src == 2) {