diff options
Diffstat (limited to 'arch/m68k/mac/baboon.c')
-rw-r--r-- | arch/m68k/mac/baboon.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c index a1c7ec70674..673a1085984 100644 --- a/arch/m68k/mac/baboon.c +++ b/arch/m68k/mac/baboon.c @@ -22,7 +22,7 @@ /* #define DEBUG_BABOON */ /* #define DEBUG_IRQS */ -int baboon_present,baboon_active; +int baboon_present; volatile struct baboon *baboon; irqreturn_t baboon_irq(int, void *); @@ -45,7 +45,6 @@ void __init baboon_init(void) baboon = (struct baboon *) BABOON_BASE; baboon_present = 1; - baboon_active = 0; printk("Baboon detected at %p\n", baboon); } @@ -66,26 +65,28 @@ void __init baboon_register_interrupts(void) irqreturn_t baboon_irq(int irq, void *dev_id) { - int irq_bit,i; + int irq_bit, irq_num; unsigned char events; #ifdef DEBUG_IRQS - printk("baboon_irq: mb_control %02X mb_ifr %02X mb_status %02X active %02X\n", + 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, baboon_active); + (uint) baboon->mb_status); #endif if (!(events = baboon->mb_ifr & 0x07)) return IRQ_NONE; - for (i = 0, irq_bit = 1 ; i < 3 ; i++, irq_bit <<= 1) { - if (events & irq_bit/* & baboon_active*/) { - baboon_active &= ~irq_bit; - m68k_handle_int(IRQ_BABOON_0 + i); - baboon_active |= irq_bit; + irq_num = IRQ_BABOON_0; + irq_bit = 1; + do { + if (events & irq_bit) { baboon->mb_ifr &= ~irq_bit; + m68k_handle_int(irq_num); } - } + irq_bit <<= 1; + irq_num++; + } while(events >= irq_bit); #if 0 if (baboon->mb_ifr & 0x02) macide_ack_intr(NULL); /* for now we need to smash all interrupts */ @@ -95,21 +96,18 @@ irqreturn_t baboon_irq(int irq, void *dev_id) } void baboon_irq_enable(int irq) { - int irq_idx = IRQ_IDX(irq); - #ifdef DEBUG_IRQUSE printk("baboon_irq_enable(%d)\n", irq); #endif - baboon_active |= (1 << irq_idx); + /* FIXME: figure out how to mask and unmask baboon interrupt sources */ + enable_irq(IRQ_NUBUS_C); } void baboon_irq_disable(int irq) { - int irq_idx = IRQ_IDX(irq); - #ifdef DEBUG_IRQUSE printk("baboon_irq_disable(%d)\n", irq); #endif - baboon_active &= ~(1 << irq_idx); + disable_irq(IRQ_NUBUS_C); } void baboon_irq_clear(int irq) { |