X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fgt64120%2Fev64120%2Firq.c;h=b3e5796c81d76e3229858acac6bba1b34d6b22d8;hb=refs%2Fheads%2Fvserver;hp=5d939ac58f3f3634d1e184e938fac3761f292def;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git diff --git a/arch/mips/gt64120/ev64120/irq.c b/arch/mips/gt64120/ev64120/irq.c index 5d939ac58..b3e5796c8 100644 --- a/arch/mips/gt64120/ev64120/irq.c +++ b/arch/mips/gt64120/ev64120/irq.c @@ -46,58 +46,41 @@ #include #include -asmlinkage void plat_irq_dispatch(struct pt_regs *regs) +asmlinkage void plat_irq_dispatch(void) { unsigned int pending = read_c0_status() & read_c0_cause(); if (pending & STATUSF_IP4) /* int2 hardware line (timer) */ - do_IRQ(4, regs); + do_IRQ(4); else if (pending & STATUSF_IP2) /* int0 hardware line */ - do_IRQ(GT_INTA, regs); + do_IRQ(GT_INTA); else if (pending & STATUSF_IP5) /* int3 hardware line */ - do_IRQ(GT_INTD, regs); + do_IRQ(GT_INTD); else if (pending & STATUSF_IP6) /* int4 hardware line */ - do_IRQ(6, regs); + do_IRQ(6); else if (pending & STATUSF_IP7) /* compare int */ - do_IRQ(7, regs); + do_IRQ(7); else - spurious_interrupt(regs); + spurious_interrupt(); } static void disable_ev64120_irq(unsigned int irq_nr) { - unsigned long flags; - - local_irq_save(flags); if (irq_nr >= 8) { // All PCI interrupts are on line 5 or 2 clear_c0_status(9 << 10); } else { clear_c0_status(1 << (irq_nr + 8)); } - local_irq_restore(flags); } static void enable_ev64120_irq(unsigned int irq_nr) { - unsigned long flags; - - local_irq_save(flags); if (irq_nr >= 8) // All PCI interrupts are on line 5 or 2 set_c0_status(9 << 10); else set_c0_status(1 << (irq_nr + 8)); - local_irq_restore(flags); -} - -static unsigned int startup_ev64120_irq(unsigned int irq) -{ - enable_ev64120_irq(irq); - return 0; /* Never anything pending */ } -#define shutdown_ev64120_irq disable_ev64120_irq -#define mask_and_ack_ev64120_irq disable_ev64120_irq - static void end_ev64120_irq(unsigned int irq) { if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) @@ -106,13 +89,11 @@ static void end_ev64120_irq(unsigned int irq) static struct irq_chip ev64120_irq_type = { .typename = "EV64120", - .startup = startup_ev64120_irq, - .shutdown = shutdown_ev64120_irq, - .enable = enable_ev64120_irq, - .disable = disable_ev64120_irq, - .ack = mask_and_ack_ev64120_irq, + .ack = disable_ev64120_irq, + .mask = disable_ev64120_irq, + .mask_ack = disable_ev64120_irq, + .unmask = enable_ev64120_irq, .end = end_ev64120_irq, - .set_affinity = NULL }; void gt64120_irq_setup(void) @@ -122,8 +103,6 @@ void gt64120_irq_setup(void) */ clear_c0_status(ST0_IM); - local_irq_disable(); - /* * Enable timer. Other interrupts will be enabled as they are * registered. @@ -133,16 +112,5 @@ void gt64120_irq_setup(void) void __init arch_init_irq(void) { - int i; - - /* Let's initialize our IRQ descriptors */ - for (i = 0; i < NR_IRQS; i++) { - irq_desc[i].status = 0; - irq_desc[i].chip = &no_irq_chip; - irq_desc[i].action = NULL; - irq_desc[i].depth = 0; - spin_lock_init(&irq_desc[i].lock); - } - gt64120_irq_setup(); }