diff options
Diffstat (limited to 'arch/arm/mach-footbridge/isa-irq.c')
| -rw-r--r-- | arch/arm/mach-footbridge/isa-irq.c | 83 |
1 files changed, 49 insertions, 34 deletions
diff --git a/arch/arm/mach-footbridge/isa-irq.c b/arch/arm/mach-footbridge/isa-irq.c index b21016070ea..c3a0abbc904 100644 --- a/arch/arm/mach-footbridge/isa-irq.c +++ b/arch/arm/mach-footbridge/isa-irq.c @@ -18,89 +18,104 @@ #include <linux/interrupt.h> #include <linux/list.h> #include <linux/init.h> +#include <linux/io.h> +#include <linux/spinlock.h> #include <asm/mach/irq.h> -#include <asm/hardware.h> +#include <mach/hardware.h> #include <asm/hardware/dec21285.h> #include <asm/irq.h> -#include <asm/io.h> #include <asm/mach-types.h> -static void isa_mask_pic_lo_irq(unsigned int irq) +#include "common.h" + +static void isa_mask_pic_lo_irq(struct irq_data *d) { - unsigned int mask = 1 << (irq & 7); + unsigned int mask = 1 << (d->irq & 7); outb(inb(PIC_MASK_LO) | mask, PIC_MASK_LO); } -static void isa_ack_pic_lo_irq(unsigned int irq) +static void isa_ack_pic_lo_irq(struct irq_data *d) { - unsigned int mask = 1 << (irq & 7); + unsigned int mask = 1 << (d->irq & 7); outb(inb(PIC_MASK_LO) | mask, PIC_MASK_LO); outb(0x20, PIC_LO); } -static void isa_unmask_pic_lo_irq(unsigned int irq) +static void isa_unmask_pic_lo_irq(struct irq_data *d) { - unsigned int mask = 1 << (irq & 7); + unsigned int mask = 1 << (d->irq & 7); outb(inb(PIC_MASK_LO) & ~mask, PIC_MASK_LO); } -static struct irqchip isa_lo_chip = { - .ack = isa_ack_pic_lo_irq, - .mask = isa_mask_pic_lo_irq, - .unmask = isa_unmask_pic_lo_irq, +static struct irq_chip isa_lo_chip = { + .irq_ack = isa_ack_pic_lo_irq, + .irq_mask = isa_mask_pic_lo_irq, + .irq_unmask = isa_unmask_pic_lo_irq, }; -static void isa_mask_pic_hi_irq(unsigned int irq) +static void isa_mask_pic_hi_irq(struct irq_data *d) { - unsigned int mask = 1 << (irq & 7); + unsigned int mask = 1 << (d->irq & 7); outb(inb(PIC_MASK_HI) | mask, PIC_MASK_HI); } -static void isa_ack_pic_hi_irq(unsigned int irq) +static void isa_ack_pic_hi_irq(struct irq_data *d) { - unsigned int mask = 1 << (irq & 7); + unsigned int mask = 1 << (d->irq & 7); outb(inb(PIC_MASK_HI) | mask, PIC_MASK_HI); outb(0x62, PIC_LO); outb(0x20, PIC_HI); } -static void isa_unmask_pic_hi_irq(unsigned int irq) +static void isa_unmask_pic_hi_irq(struct irq_data *d) { - unsigned int mask = 1 << (irq & 7); + unsigned int mask = 1 << (d->irq & 7); outb(inb(PIC_MASK_HI) & ~mask, PIC_MASK_HI); } -static struct irqchip isa_hi_chip = { - .ack = isa_ack_pic_hi_irq, - .mask = isa_mask_pic_hi_irq, - .unmask = isa_unmask_pic_hi_irq, +static struct irq_chip isa_hi_chip = { + .irq_ack = isa_ack_pic_hi_irq, + .irq_mask = isa_mask_pic_hi_irq, + .irq_unmask = isa_unmask_pic_hi_irq, }; static void -isa_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs) +isa_irq_handler(unsigned int irq, struct irq_desc *desc) { unsigned int isa_irq = *(unsigned char *)PCIIACK_BASE; if (isa_irq < _ISA_IRQ(0) || isa_irq >= _ISA_IRQ(16)) { - do_bad_IRQ(isa_irq, desc, regs); + do_bad_IRQ(isa_irq, desc); return; } - desc = irq_desc + isa_irq; - desc->handle(isa_irq, desc, regs); + generic_handle_irq(isa_irq); } -static struct irqaction irq_cascade = { .handler = no_action, .name = "cascade", }; -static struct resource pic1_resource = { "pic1", 0x20, 0x3f }; -static struct resource pic2_resource = { "pic2", 0xa0, 0xbf }; +static struct irqaction irq_cascade = { + .handler = no_action, + .name = "cascade", +}; + +static struct resource pic1_resource = { + .name = "pic1", + .start = 0x20, + .end = 0x3f, +}; + +static struct resource pic2_resource = { + .name = "pic2", + .start = 0xa0, + .end = 0xbf, +}; void __init isa_init_irq(unsigned int host_irq) { @@ -136,14 +151,14 @@ void __init isa_init_irq(unsigned int host_irq) if (host_irq != (unsigned int)-1) { for (irq = _ISA_IRQ(0); irq < _ISA_IRQ(8); irq++) { - set_irq_chip(irq, &isa_lo_chip); - set_irq_handler(irq, do_level_IRQ); + irq_set_chip_and_handler(irq, &isa_lo_chip, + handle_level_irq); set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); } for (irq = _ISA_IRQ(8); irq < _ISA_IRQ(16); irq++) { - set_irq_chip(irq, &isa_hi_chip); - set_irq_handler(irq, do_level_IRQ); + irq_set_chip_and_handler(irq, &isa_hi_chip, + handle_level_irq); set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); } @@ -151,7 +166,7 @@ void __init isa_init_irq(unsigned int host_irq) request_resource(&ioport_resource, &pic2_resource); setup_irq(IRQ_ISA_CASCADE, &irq_cascade); - set_irq_chained_handler(host_irq, isa_irq_handler); + irq_set_chained_handler(host_irq, isa_irq_handler); /* * On the NetWinder, don't automatically |
