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| author | Philippe Gerum <rpm@xenomai.org> | 2009-06-16 03:25:42 (GMT) |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-06-23 01:15:54 (GMT) |
| commit | a40494a62a11dbaf326397aa94b2018ead09884d (patch) | |
| tree | 2440b4b4b510393ff057761021e9b218a5e1e142 /arch/blackfin/mach-common | |
| parent | 06ecc190f3928850cb77c498f745fc8e9a7e2fd7 (diff) | |
| download | linux-a40494a62a11dbaf326397aa94b2018ead09884d.tar.xz | |
Blackfin: allow CONFIG_TICKSOURCE_GPTMR0 with interrupt pipeline
Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/mach-common')
| -rw-r--r-- | arch/blackfin/mach-common/ints-priority.c | 47 |
1 files changed, 22 insertions, 25 deletions
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index af70f09..b421501 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -1052,35 +1052,34 @@ int __init init_arch_irq(void) set_irq_chained_handler(irq, bfin_demux_error_irq); break; #endif -#if defined(CONFIG_TICKSOURCE_GPTMR0) - case IRQ_TIMER0: - set_irq_handler(irq, handle_percpu_irq); - break; -#endif #ifdef CONFIG_SMP case IRQ_SUPPLE_0: case IRQ_SUPPLE_1: set_irq_handler(irq, handle_percpu_irq); break; #endif - default: #ifdef CONFIG_IPIPE - /* - * We want internal interrupt sources to be - * masked, because ISRs may trigger interrupts - * recursively (e.g. DMA), but interrupts are - * _not_ masked at CPU level. So let's handle - * most of them as level interrupts, except - * the timer interrupt which is special. - */ - if (irq == IRQ_SYSTMR || irq == IRQ_CORETMR) - set_irq_handler(irq, handle_simple_irq); - else - set_irq_handler(irq, handle_level_irq); +#ifndef CONFIG_TICKSOURCE_CORETMR + case IRQ_TIMER0: + set_irq_handler(irq, handle_simple_irq); + break; +#endif /* !CONFIG_TICKSOURCE_CORETMR */ + case IRQ_CORETMR: + set_irq_handler(irq, handle_simple_irq); + break; + default: + set_irq_handler(irq, handle_level_irq); + break; #else /* !CONFIG_IPIPE */ +#ifdef CONFIG_TICKSOURCE_GPTMR0 + case IRQ_TIMER0: + set_irq_handler(irq, handle_percpu_irq); + break; +#endif /* CONFIG_TICKSOURCE_GPTMR0 */ + default: set_irq_handler(irq, handle_simple_irq); -#endif /* !CONFIG_IPIPE */ break; +#endif /* !CONFIG_IPIPE */ } } @@ -1224,15 +1223,14 @@ __attribute__((l1_text)) asmlinkage int __ipipe_grab_irq(int vec, struct pt_regs *regs) { struct ipipe_percpu_domain_data *p = ipipe_root_cpudom_ptr(); - struct ipipe_domain *this_domain = ipipe_current_domain; + struct ipipe_domain *this_domain = __ipipe_current_domain; struct ivgx *ivg_stop = ivg7_13[vec-IVG7].istop; struct ivgx *ivg = ivg7_13[vec-IVG7].ifirst; int irq, s; - if (likely(vec == EVT_IVTMR_P)) { + if (likely(vec == EVT_IVTMR_P)) irq = IRQ_CORETMR; - - } else { + else { #if defined(SIC_ISR0) || defined(SICA_ISR0) unsigned long sic_status[3]; @@ -1262,12 +1260,11 @@ asmlinkage int __ipipe_grab_irq(int vec, struct pt_regs *regs) break; } #endif - irq = ivg->irqno; } if (irq == IRQ_SYSTMR) { -#ifndef CONFIG_GENERIC_CLOCKEVENTS +#if !defined(CONFIG_GENERIC_CLOCKEVENTS) || defined(CONFIG_TICKSOURCE_GPTMR0) bfin_write_TIMER_STATUS(1); /* Latch TIMIL0 */ #endif /* This is basically what we need from the register frame. */ |