diff options
Diffstat (limited to 'arch/m68k/mac/psc.c')
| -rw-r--r-- | arch/m68k/mac/psc.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c index 52840b8c03b..e6c2d20f328 100644 --- a/arch/m68k/mac/psc.c +++ b/arch/m68k/mac/psc.c @@ -18,9 +18,7 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/init.h> -#ifdef CONFIG_GENERIC_HARDIRQS #include <linux/irq.h> -#endif #include <asm/traps.h> #include <asm/bootinfo.h> @@ -116,7 +114,6 @@ void __init psc_init(void) * PSC interrupt handler. It's a lot like the VIA interrupt handler. */ -#ifdef CONFIG_GENERIC_HARDIRQS static void psc_irq(unsigned int irq, struct irq_desc *desc) { unsigned int offset = (unsigned int)irq_desc_get_handler_data(desc); @@ -145,36 +142,6 @@ static void psc_irq(unsigned int irq, struct irq_desc *desc) irq_bit <<= 1; } while (events >= irq_bit); } -#else -static irqreturn_t psc_irq(int irq, void *dev_id) -{ - int pIFR = pIFRbase + ((int) dev_id); - int pIER = pIERbase + ((int) dev_id); - int irq_num; - unsigned char irq_bit, events; - -#ifdef DEBUG_IRQS - printk("psc_irq: irq %d 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; - - irq_num = irq << 3; - irq_bit = 1; - do { - if (events & irq_bit) { - psc_write_byte(pIFR, irq_bit); - generic_handle_irq(irq_num); - } - irq_num++; - irq_bit <<= 1; - } while (events >= irq_bit); - return IRQ_HANDLED; -} -#endif /* * Register the PSC interrupt dispatchers for autovector interrupts 3-6. @@ -182,7 +149,6 @@ static irqreturn_t psc_irq(int irq, void *dev_id) void __init psc_register_interrupts(void) { -#ifdef CONFIG_GENERIC_HARDIRQS 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); @@ -191,16 +157,6 @@ void __init psc_register_interrupts(void) 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); -#else /* !CONFIG_GENERIC_HARDIRQS */ - 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); -#endif /* !CONFIG_GENERIC_HARDIRQS */ } void psc_irq_enable(int irq) { |