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Diffstat (limited to 'arch/m68k/mac/psc.c')
-rw-r--r--arch/m68k/mac/psc.c49
1 files changed, 24 insertions, 25 deletions
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c
index a4c3eb60706..e6c2d20f328 100644
--- a/arch/m68k/mac/psc.c
+++ b/arch/m68k/mac/psc.c
@@ -18,6 +18,7 @@
#include <linux/mm.h>
#include <linux/delay.h>
#include <linux/init.h>
+#include <linux/irq.h>
#include <asm/traps.h>
#include <asm/bootinfo.h>
@@ -30,8 +31,6 @@
int psc_present;
volatile __u8 *psc;
-irqreturn_t psc_irq(int, void *);
-
/*
* Debugging dump, used in various places to see what's going on.
*/
@@ -112,52 +111,52 @@ void __init psc_init(void)
}
/*
- * Register the PSC interrupt dispatchers for autovector interrupts 3-6.
- */
-
-void __init psc_register_interrupts(void)
-{
- 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);
-}
-
-/*
* PSC interrupt handler. It's a lot like the VIA interrupt handler.
*/
-irqreturn_t psc_irq(int irq, void *dev_id)
+static void psc_irq(unsigned int irq, struct irq_desc *desc)
{
- int pIFR = pIFRbase + ((int) dev_id);
- int pIER = pIERbase + ((int) dev_id);
+ unsigned int offset = (unsigned int)irq_desc_get_handler_data(desc);
+ int pIFR = pIFRbase + offset;
+ int pIER = pIERbase + offset;
int irq_num;
unsigned char irq_bit, events;
#ifdef DEBUG_IRQS
- printk("psc_irq: irq %d pIFR = 0x%02X pIER = 0x%02X\n",
+ 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 IRQ_NONE;
+ return;
irq_num = irq << 3;
irq_bit = 1;
do {
if (events & irq_bit) {
psc_write_byte(pIFR, irq_bit);
- m68k_handle_int(irq_num);
+ generic_handle_irq(irq_num);
}
irq_num++;
irq_bit <<= 1;
} while (events >= irq_bit);
- return IRQ_HANDLED;
+}
+
+/*
+ * Register the PSC interrupt dispatchers for autovector interrupts 3-6.
+ */
+
+void __init psc_register_interrupts(void)
+{
+ irq_set_chained_handler(IRQ_AUTO_3, psc_irq);
+ irq_set_handler_data(IRQ_AUTO_3, (void *)0x30);
+ irq_set_chained_handler(IRQ_AUTO_4, psc_irq);
+ irq_set_handler_data(IRQ_AUTO_4, (void *)0x40);
+ irq_set_chained_handler(IRQ_AUTO_5, psc_irq);
+ irq_set_handler_data(IRQ_AUTO_5, (void *)0x50);
+ irq_set_chained_handler(IRQ_AUTO_6, psc_irq);
+ irq_set_handler_data(IRQ_AUTO_6, (void *)0x60);
}
void psc_irq_enable(int irq) {