diff options
Diffstat (limited to 'arch/alpha/kernel/sys_eiger.c')
| -rw-r--r-- | arch/alpha/kernel/sys_eiger.c | 58 |
1 files changed, 21 insertions, 37 deletions
diff --git a/arch/alpha/kernel/sys_eiger.c b/arch/alpha/kernel/sys_eiger.c index bd6e5f0e43c..79d69d7f63f 100644 --- a/arch/alpha/kernel/sys_eiger.c +++ b/arch/alpha/kernel/sys_eiger.c @@ -18,7 +18,6 @@ #include <linux/bitops.h> #include <asm/ptrace.h> -#include <asm/system.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> @@ -51,47 +50,32 @@ eiger_update_irq_hw(unsigned long irq, unsigned long mask) } static inline void -eiger_enable_irq(unsigned int irq) +eiger_enable_irq(struct irq_data *d) { + unsigned int irq = d->irq; unsigned long mask; mask = (cached_irq_mask[irq >= 64] &= ~(1UL << (irq & 63))); eiger_update_irq_hw(irq, mask); } static void -eiger_disable_irq(unsigned int irq) +eiger_disable_irq(struct irq_data *d) { + unsigned int irq = d->irq; unsigned long mask; mask = (cached_irq_mask[irq >= 64] |= 1UL << (irq & 63)); eiger_update_irq_hw(irq, mask); } -static unsigned int -eiger_startup_irq(unsigned int irq) -{ - eiger_enable_irq(irq); - return 0; /* never anything pending */ -} - -static void -eiger_end_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - eiger_enable_irq(irq); -} - -static struct hw_interrupt_type eiger_irq_type = { - .typename = "EIGER", - .startup = eiger_startup_irq, - .shutdown = eiger_disable_irq, - .enable = eiger_enable_irq, - .disable = eiger_disable_irq, - .ack = eiger_disable_irq, - .end = eiger_end_irq, +static struct irq_chip eiger_irq_type = { + .name = "EIGER", + .irq_unmask = eiger_enable_irq, + .irq_mask = eiger_disable_irq, + .irq_mask_ack = eiger_disable_irq, }; static void -eiger_device_interrupt(unsigned long vector, struct pt_regs * regs) +eiger_device_interrupt(unsigned long vector) { unsigned intstatus; @@ -118,20 +102,20 @@ eiger_device_interrupt(unsigned long vector, struct pt_regs * regs) * despatch an interrupt if it's set. */ - if (intstatus & 8) handle_irq(16+3, regs); - if (intstatus & 4) handle_irq(16+2, regs); - if (intstatus & 2) handle_irq(16+1, regs); - if (intstatus & 1) handle_irq(16+0, regs); + if (intstatus & 8) handle_irq(16+3); + if (intstatus & 4) handle_irq(16+2); + if (intstatus & 2) handle_irq(16+1); + if (intstatus & 1) handle_irq(16+0); } else { - isa_device_interrupt(vector, regs); + isa_device_interrupt(vector); } } static void -eiger_srm_device_interrupt(unsigned long vector, struct pt_regs * regs) +eiger_srm_device_interrupt(unsigned long vector) { int irq = (vector - 0x800) >> 4; - handle_irq(irq, regs); + handle_irq(irq); } static void __init @@ -153,13 +137,13 @@ eiger_init_irq(void) init_i8259a_irqs(); for (i = 16; i < 128; ++i) { - irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; - irq_desc[i].handler = &eiger_irq_type; + irq_set_chip_and_handler(i, &eiger_irq_type, handle_level_irq); + irq_set_status_flags(i, IRQ_LEVEL); } } static int __init -eiger_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +eiger_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { u8 irq_orig; @@ -204,7 +188,7 @@ eiger_swizzle(struct pci_dev *dev, u8 *pinp) break; } /* Must be a card-based bridge. */ - pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); + pin = pci_swizzle_interrupt_pin(dev, pin); /* Move up the chain of bridges. */ dev = dev->bus->self; |