diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c index 1e5ad12f1061ff6772037e4b05616e03f03cde42..5aa523c2d57338e4add5da5e2d5c3ea00aee95a8 100644 --- a/arch/x86/kernel/irqinit.c +++ b/arch/x86/kernel/irqinit.c @@ -44,15 +44,6 @@ * (these are usually mapped into the 0x30-0xff vector range) */ -/* - * IRQ2 is cascade interrupt to second interrupt controller - */ -static struct irqaction irq2 = { - .handler = no_action, - .name = "cascade", - .flags = IRQF_NO_THREAD, -}; - DEFINE_PER_CPU(vector_irq_t, vector_irq) = { [0 ... NR_VECTORS - 1] = VECTOR_UNUSED, }; @@ -104,6 +95,9 @@ void __init native_init_IRQ(void) idt_setup_apic_and_irq_gates(); lapic_assign_system_vectors(); - if (!acpi_ioapic && !of_ioapic && nr_legacy_irqs()) - setup_irq(2, &irq2); + if (!acpi_ioapic && !of_ioapic && nr_legacy_irqs()) { + /* IRQ2 is cascade interrupt to second interrupt controller */ + if (request_irq(2, no_action, IRQF_NO_THREAD, "cascade", NULL)) + pr_err("%s: request_irq() failed\n", "cascade"); + } } diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c index d8673d8a779b5c22d107dd8fa70fb818aaf4e58a..8c5213e6ec2046784411a94c5bb554e84761a386 100644 --- a/arch/x86/kernel/time.c +++ b/arch/x86/kernel/time.c @@ -62,19 +62,16 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static struct irqaction irq0 = { - .handler = timer_interrupt, - .flags = IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER, - .name = "timer" -}; - static void __init setup_default_timer_irq(void) { + unsigned long flags = IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER; + /* - * Unconditionally register the legacy timer; even without legacy - * PIC/PIT we need this for the HPET0 in legacy replacement mode. + * Unconditionally register the legacy timer interrupt; even + * without legacy PIC/PIT we need this for the HPET0 in legacy + * replacement mode. */ - if (setup_irq(0, &irq0)) + if (request_irq(0, timer_interrupt, flags, "timer", NULL)) pr_info("Failed to register legacy timer interrupt\n"); }