diff options
author | Ingo Molnar <[email protected]> | 2016-06-08 09:26:46 +0200 |
---|---|---|
committer | Ingo Molnar <[email protected]> | 2016-06-08 09:26:46 +0200 |
commit | 616d1c1b98ac79f30216a57a170dd7cea19b3df3 (patch) | |
tree | 6f244c2e5a7160190e73bc82b4cd7fa7bb22ee31 /arch/arc/kernel/irq.c | |
parent | a4f144ebbdf6f7807c477bce8e136047ed27321f (diff) | |
parent | c8ae067f2635be0f8c7e5db1bb74b757d623e05b (diff) |
Merge branch 'linus' into perf/core, to refresh the branch
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'arch/arc/kernel/irq.c')
-rw-r--r-- | arch/arc/kernel/irq.c | 50 |
1 files changed, 2 insertions, 48 deletions
diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c index ba17f85285cf..538b36afe89e 100644 --- a/arch/arc/kernel/irq.c +++ b/arch/arc/kernel/irq.c @@ -41,53 +41,7 @@ void __init init_IRQ(void) * "C" Entry point for any ARC ISR, called from low level vector handler * @irq is the vector number read from ICAUSE reg of on-chip intc */ -void arch_do_IRQ(unsigned int irq, struct pt_regs *regs) +void arch_do_IRQ(unsigned int hwirq, struct pt_regs *regs) { - struct pt_regs *old_regs = set_irq_regs(regs); - - irq_enter(); - generic_handle_irq(irq); - irq_exit(); - set_irq_regs(old_regs); -} - -/* - * API called for requesting percpu interrupts - called by each CPU - * - For boot CPU, actually request the IRQ with genirq core + enables - * - For subsequent callers only enable called locally - * - * Relies on being called by boot cpu first (i.e. request called ahead) of - * any enable as expected by genirq. Hence Suitable only for TIMER, IPI - * which are guaranteed to be setup on boot core first. - * Late probed peripherals such as perf can't use this as there no guarantee - * of being called on boot CPU first. - */ - -void arc_request_percpu_irq(int irq, int cpu, - irqreturn_t (*isr)(int irq, void *dev), - const char *irq_nm, - void *percpu_dev) -{ - /* Boot cpu calls request, all call enable */ - if (!cpu) { - int rc; - -#ifdef CONFIG_ISA_ARCOMPACT - /* - * A subsequent request_percpu_irq() fails if percpu_devid is - * not set. That in turns sets NOAUTOEN, meaning each core needs - * to call enable_percpu_irq() - * - * For ARCv2, this is done in irq map function since we know - * which irqs are strictly per cpu - */ - irq_set_percpu_devid(irq); -#endif - - rc = request_percpu_irq(irq, isr, irq_nm, percpu_dev); - if (rc) - panic("Percpu IRQ request failed for %d\n", irq); - } - - enable_percpu_irq(irq, 0); + handle_domain_irq(NULL, hwirq, regs); } |