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Diffstat (limited to 'arch/m68k/mac/via.c')
-rw-r--r--arch/m68k/mac/via.c104
1 files changed, 0 insertions, 104 deletions
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index b8156ac496a..f1600ad2662 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -28,9 +28,7 @@
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/module.h>
-#ifdef CONFIG_GENERIC_HARDIRQS
#include <linux/irq.h>
-#endif
#include <asm/bootinfo.h>
#include <asm/macintosh.h>
@@ -417,7 +415,6 @@ void __init via_nubus_init(void)
* via6522.c :-), disable/pending masks added.
*/
-#ifdef CONFIG_GENERIC_HARDIRQS
void via1_irq(unsigned int irq, struct irq_desc *desc)
{
int irq_num;
@@ -459,58 +456,12 @@ static void via2_irq(unsigned int irq, struct irq_desc *desc)
irq_bit <<= 1;
} while (events >= irq_bit);
}
-#else
-irqreturn_t via1_irq(int irq, void *dev_id)
-{
- int irq_num;
- unsigned char irq_bit, events;
-
- events = via1[vIFR] & via1[vIER] & 0x7F;
- if (!events)
- return IRQ_NONE;
-
- irq_num = VIA1_SOURCE_BASE;
- irq_bit = 1;
- do {
- if (events & irq_bit) {
- via1[vIFR] = irq_bit;
- generic_handle_irq(irq_num);
- }
- ++irq_num;
- irq_bit <<= 1;
- } while (events >= irq_bit);
- return IRQ_HANDLED;
-}
-
-irqreturn_t via2_irq(int irq, void *dev_id)
-{
- int irq_num;
- unsigned char irq_bit, events;
-
- events = via2[gIFR] & via2[gIER] & 0x7F;
- if (!events)
- return IRQ_NONE;
-
- irq_num = VIA2_SOURCE_BASE;
- irq_bit = 1;
- do {
- if (events & irq_bit) {
- via2[gIFR] = irq_bit | rbv_clear;
- generic_handle_irq(irq_num);
- }
- ++irq_num;
- irq_bit <<= 1;
- } while (events >= irq_bit);
- return IRQ_HANDLED;
-}
-#endif
/*
* Dispatch Nubus interrupts. We are called as a secondary dispatch by the
* VIA2 dispatcher as a fast interrupt handler.
*/
-#ifdef CONFIG_GENERIC_HARDIRQS
void via_nubus_irq(unsigned int irq, struct irq_desc *desc)
{
int slot_irq;
@@ -545,43 +496,6 @@ void via_nubus_irq(unsigned int irq, struct irq_desc *desc)
events &= ~via2[vDirA];
} while (events);
}
-#else
-irqreturn_t via_nubus_irq(int irq, void *dev_id)
-{
- int slot_irq;
- unsigned char slot_bit, events;
-
- events = ~via2[gBufA] & 0x7F;
- if (rbv_present)
- events &= via2[rSIER];
- else
- events &= ~via2[vDirA];
- if (!events)
- return IRQ_NONE;
-
- do {
- slot_irq = IRQ_NUBUS_F;
- slot_bit = 0x40;
- do {
- if (events & slot_bit) {
- events &= ~slot_bit;
- generic_handle_irq(slot_irq);
- }
- --slot_irq;
- slot_bit >>= 1;
- } while (events);
-
- /* clear the CA1 interrupt and make certain there's no more. */
- via2[gIFR] = 0x02 | rbv_clear;
- events = ~via2[gBufA] & 0x7F;
- if (rbv_present)
- events &= via2[rSIER];
- else
- events &= ~via2[vDirA];
- } while (events);
- return IRQ_HANDLED;
-}
-#endif
/*
* Register the interrupt dispatchers for VIA or RBV machines only.
@@ -589,7 +503,6 @@ irqreturn_t via_nubus_irq(int irq, void *dev_id)
void __init via_register_interrupts(void)
{
-#ifdef CONFIG_GENERIC_HARDIRQS
if (via_alt_mapping) {
/* software interrupt */
irq_set_chained_handler(IRQ_AUTO_1, via1_irq);
@@ -600,23 +513,6 @@ void __init via_register_interrupts(void)
}
irq_set_chained_handler(IRQ_AUTO_2, via2_irq);
irq_set_chained_handler(IRQ_MAC_NUBUS, via_nubus_irq);
-#else
- if (via_alt_mapping) {
- if (request_irq(IRQ_AUTO_1, via1_irq, 0, "software",
- (void *)via1))
- pr_err("Couldn't register %s interrupt\n", "software");
- if (request_irq(IRQ_AUTO_6, via1_irq, 0, "via1", (void *)via1))
- pr_err("Couldn't register %s interrupt\n", "via1");
- } else {
- if (request_irq(IRQ_AUTO_1, via1_irq, 0, "via1", (void *)via1))
- pr_err("Couldn't register %s interrupt\n", "via1");
- }
- if (request_irq(IRQ_AUTO_2, via2_irq, 0, "via2", (void *)via2))
- pr_err("Couldn't register %s interrupt\n", "via2");
- if (request_irq(IRQ_MAC_NUBUS, via_nubus_irq, 0, "nubus",
- (void *)via2))
- pr_err("Couldn't register %s interrupt\n", "nubus");
-#endif
}
void via_irq_enable(int irq) {