diff options
Diffstat (limited to 'arch/alpha/kernel/sys_wildfire.c')
| -rw-r--r-- | arch/alpha/kernel/sys_wildfire.c | 67 |
1 files changed, 28 insertions, 39 deletions
diff --git a/arch/alpha/kernel/sys_wildfire.c b/arch/alpha/kernel/sys_wildfire.c index 62fd972e18e..d92cdc715c6 100644 --- a/arch/alpha/kernel/sys_wildfire.c +++ b/arch/alpha/kernel/sys_wildfire.c @@ -104,10 +104,12 @@ wildfire_init_irq_hw(void) } static void -wildfire_enable_irq(unsigned int irq) +wildfire_enable_irq(struct irq_data *d) { + unsigned int irq = d->irq; + if (irq < 16) - i8259a_enable_irq(irq); + i8259a_enable_irq(d); spin_lock(&wildfire_irq_lock); set_bit(irq, &cached_irq_mask); @@ -116,10 +118,12 @@ wildfire_enable_irq(unsigned int irq) } static void -wildfire_disable_irq(unsigned int irq) +wildfire_disable_irq(struct irq_data *d) { + unsigned int irq = d->irq; + if (irq < 16) - i8259a_disable_irq(irq); + i8259a_disable_irq(d); spin_lock(&wildfire_irq_lock); clear_bit(irq, &cached_irq_mask); @@ -128,10 +132,12 @@ wildfire_disable_irq(unsigned int irq) } static void -wildfire_mask_and_ack_irq(unsigned int irq) +wildfire_mask_and_ack_irq(struct irq_data *d) { + unsigned int irq = d->irq; + if (irq < 16) - i8259a_mask_and_ack_irq(irq); + i8259a_mask_and_ack_irq(d); spin_lock(&wildfire_irq_lock); clear_bit(irq, &cached_irq_mask); @@ -139,39 +145,17 @@ wildfire_mask_and_ack_irq(unsigned int irq) spin_unlock(&wildfire_irq_lock); } -static unsigned int -wildfire_startup_irq(unsigned int irq) -{ - wildfire_enable_irq(irq); - return 0; /* never anything pending */ -} - -static void -wildfire_end_irq(unsigned int irq) -{ -#if 0 - if (!irq_desc[irq].action) - printk("got irq %d\n", irq); -#endif - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - wildfire_enable_irq(irq); -} - static struct irq_chip wildfire_irq_type = { .name = "WILDFIRE", - .startup = wildfire_startup_irq, - .shutdown = wildfire_disable_irq, - .enable = wildfire_enable_irq, - .disable = wildfire_disable_irq, - .ack = wildfire_mask_and_ack_irq, - .end = wildfire_end_irq, + .irq_unmask = wildfire_enable_irq, + .irq_mask = wildfire_disable_irq, + .irq_mask_ack = wildfire_mask_and_ack_irq, }; static void __init wildfire_init_irq_per_pca(int qbbno, int pcano) { int i, irq_bias; - unsigned long io_bias; static struct irqaction isa_enable = { .handler = no_action, .name = "isa_enable", @@ -180,10 +164,12 @@ wildfire_init_irq_per_pca(int qbbno, int pcano) irq_bias = qbbno * (WILDFIRE_PCA_PER_QBB * WILDFIRE_IRQ_PER_PCA) + pcano * WILDFIRE_IRQ_PER_PCA; +#if 0 + unsigned long io_bias; + /* Only need the following for first PCI bus per PCA. */ io_bias = WILDFIRE_IO(qbbno, pcano<<1) - WILDFIRE_IO_BIAS; -#if 0 outb(0, DMA1_RESET_REG + io_bias); outb(0, DMA2_RESET_REG + io_bias); outb(DMA_MODE_CASCADE, DMA2_MODE_REG + io_bias); @@ -198,18 +184,21 @@ wildfire_init_irq_per_pca(int qbbno, int pcano) for (i = 0; i < 16; ++i) { if (i == 2) continue; - irq_desc[i+irq_bias].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i+irq_bias].chip = &wildfire_irq_type; + irq_set_chip_and_handler(i + irq_bias, &wildfire_irq_type, + handle_level_irq); + irq_set_status_flags(i + irq_bias, IRQ_LEVEL); } - irq_desc[36+irq_bias].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[36+irq_bias].chip = &wildfire_irq_type; + irq_set_chip_and_handler(36 + irq_bias, &wildfire_irq_type, + handle_level_irq); + irq_set_status_flags(36 + irq_bias, IRQ_LEVEL); for (i = 40; i < 64; ++i) { - irq_desc[i+irq_bias].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i+irq_bias].chip = &wildfire_irq_type; + irq_set_chip_and_handler(i + irq_bias, &wildfire_irq_type, + handle_level_irq); + irq_set_status_flags(i + irq_bias, IRQ_LEVEL); } - setup_irq(32+irq_bias, &isa_enable); + setup_irq(32+irq_bias, &isa_enable); } static void __init |