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Diffstat (limited to 'arch/m68k/q40/q40ints.c')
-rw-r--r--arch/m68k/q40/q40ints.c77
1 files changed, 36 insertions, 41 deletions
diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c
index 472f41c4158..513f9bb17b9 100644
--- a/arch/m68k/q40/q40ints.c
+++ b/arch/m68k/q40/q40ints.c
@@ -15,10 +15,9 @@
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
+#include <linux/irq.h>
#include <asm/ptrace.h>
-#include <asm/system.h>
-#include <asm/irq.h>
#include <asm/traps.h>
#include <asm/q40_master.h>
@@ -35,35 +34,36 @@
*/
static void q40_irq_handler(unsigned int, struct pt_regs *fp);
-static void q40_enable_irq(unsigned int);
-static void q40_disable_irq(unsigned int);
+static void q40_irq_enable(struct irq_data *data);
+static void q40_irq_disable(struct irq_data *data);
unsigned short q40_ablecount[35];
unsigned short q40_state[35];
-static int q40_irq_startup(unsigned int irq)
+static unsigned int q40_irq_startup(struct irq_data *data)
{
+ unsigned int irq = data->irq;
+
/* test for ISA ints not implemented by HW */
switch (irq) {
case 1: case 2: case 8: case 9:
case 11: case 12: case 13:
- printk("%s: ISA IRQ %d not implemented by HW\n", __FUNCTION__, irq);
- return -ENXIO;
+ printk("%s: ISA IRQ %d not implemented by HW\n", __func__, irq);
+ /* FIXME return -ENXIO; */
}
return 0;
}
-static void q40_irq_shutdown(unsigned int irq)
+static void q40_irq_shutdown(struct irq_data *data)
{
}
-static struct irq_controller q40_irq_controller = {
+static struct irq_chip q40_irq_chip = {
.name = "q40",
- .lock = SPIN_LOCK_UNLOCKED,
- .startup = q40_irq_startup,
- .shutdown = q40_irq_shutdown,
- .enable = q40_enable_irq,
- .disable = q40_disable_irq,
+ .irq_startup = q40_irq_startup,
+ .irq_shutdown = q40_irq_shutdown,
+ .irq_enable = q40_irq_enable,
+ .irq_disable = q40_irq_disable,
};
/*
@@ -79,15 +79,16 @@ static struct irq_controller q40_irq_controller = {
static int disabled;
-void q40_init_IRQ(void)
+void __init q40_init_IRQ(void)
{
- m68k_setup_irq_controller(&q40_irq_controller, 1, Q40_IRQ_MAX);
+ m68k_setup_irq_controller(&q40_irq_chip, handle_simple_irq, 1,
+ Q40_IRQ_MAX);
/* setup handler for ISA ints */
m68k_setup_auto_interrupt(q40_irq_handler);
- m68k_irq_startup(IRQ_AUTO_2);
- m68k_irq_startup(IRQ_AUTO_4);
+ m68k_irq_startup_irq(IRQ_AUTO_2);
+ m68k_irq_startup_irq(IRQ_AUTO_4);
/* now enable some ints.. */
master_outb(1, EXT_ENABLE_REG); /* ISA IRQ 5-15 */
@@ -125,9 +126,9 @@ void q40_mksound(unsigned int hz, unsigned int ticks)
sound_ticks = ticks << 1;
}
-static irqreturn_t (*q40_timer_routine)(int, void *, struct pt_regs *);
+static irq_handler_t q40_timer_routine;
-static irqreturn_t q40_timer_int (int irq, void * dev, struct pt_regs * regs)
+static irqreturn_t q40_timer_int (int irq, void * dev)
{
ql_ticks = ql_ticks ? 0 : 1;
if (sound_ticks) {
@@ -138,11 +139,11 @@ static irqreturn_t q40_timer_int (int irq, void * dev, struct pt_regs * regs)
}
if (!ql_ticks)
- q40_timer_routine(irq, dev, regs);
+ q40_timer_routine(irq, dev);
return IRQ_HANDLED;
}
-void q40_sched_init (irqreturn_t (*timer_routine)(int, void *, struct pt_regs *))
+void q40_sched_init (irq_handler_t timer_routine)
{
int timer_irq;
@@ -184,7 +185,7 @@ static struct IRQ_TABLE eirqs[] = {
};
/* complain only this many times about spurious ints : */
-static int ccleirq=60; /* ISA dev IRQ's*/
+static int ccleirq=60; /* ISA dev IRQs*/
/*static int cclirq=60;*/ /* internal */
/* FIXME: add shared ints,mask,unmask,probing.... */
@@ -218,11 +219,11 @@ static void q40_irq_handler(unsigned int irq, struct pt_regs *fp)
switch (irq) {
case 4:
case 6:
- m68k_handle_int(Q40_IRQ_SAMPLE, fp);
+ do_IRQ(Q40_IRQ_SAMPLE, fp);
return;
}
if (mir & Q40_IRQ_FRAME_MASK) {
- m68k_handle_int(Q40_IRQ_FRAME, fp);
+ do_IRQ(Q40_IRQ_FRAME, fp);
master_outb(-1, FRAME_CLEAR_REG);
}
if ((mir & Q40_IRQ_SER_MASK) || (mir & Q40_IRQ_EXT_MASK)) {
@@ -234,7 +235,7 @@ static void q40_irq_handler(unsigned int irq, struct pt_regs *fp)
* There is a little mess wrt which IRQ really caused this irq request. The
* main problem is that IIRQ_REG and EIRQ_REG reflect the state when they
* are read - which is long after the request came in. In theory IRQs should
- * not just go away but they occassionally do
+ * not just go away but they occasionally do
*/
if (irq > 4 && irq <= 15 && mext_disabled) {
/*aliased_irq++;*/
@@ -257,7 +258,7 @@ static void q40_irq_handler(unsigned int irq, struct pt_regs *fp)
goto iirq;
}
q40_state[irq] |= IRQ_INPROGRESS;
- m68k_handle_int(irq, fp);
+ do_IRQ(irq, fp);
q40_state[irq] &= ~IRQ_INPROGRESS;
/* naively enable everything, if that fails than */
@@ -288,25 +289,29 @@ static void q40_irq_handler(unsigned int irq, struct pt_regs *fp)
mir = master_inb(IIRQ_REG);
/* should test whether keyboard irq is really enabled, doing it in defhand */
if (mir & Q40_IRQ_KEYB_MASK)
- m68k_handle_int(Q40_IRQ_KEYBOARD, fp);
+ do_IRQ(Q40_IRQ_KEYBOARD, fp);
return;
}
-void q40_enable_irq(unsigned int irq)
+void q40_irq_enable(struct irq_data *data)
{
+ unsigned int irq = data->irq;
+
if (irq >= 5 && irq <= 15) {
mext_disabled--;
if (mext_disabled > 0)
- printk("q40_enable_irq : nested disable/enable\n");
+ printk("q40_irq_enable : nested disable/enable\n");
if (mext_disabled == 0)
master_outb(1, EXT_ENABLE_REG);
}
}
-void q40_disable_irq(unsigned int irq)
+void q40_irq_disable(struct irq_data *data)
{
+ unsigned int irq = data->irq;
+
/* disable ISA iqs : only do something if the driver has been
* verified to be Q40 "compatible" - right now IDE, NE2K
* Any driver should not attempt to sleep across disable_irq !!
@@ -319,13 +324,3 @@ void q40_disable_irq(unsigned int irq)
printk("disable_irq nesting count %d\n",mext_disabled);
}
}
-
-unsigned long q40_probe_irq_on(void)
-{
- printk("irq probing not working - reconfigure the driver to avoid this\n");
- return -1;
-}
-int q40_probe_irq_off(unsigned long irqs)
-{
- return -1;
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-07 17:10:18 +0000