diff options
| -rw-r--r-- | arch/arm/mach-ns9xxx/irq.c | 33 | ||||
| -rw-r--r-- | arch/arm/mach-ns9xxx/time.c | 14 |
2 files changed, 14 insertions, 33 deletions
diff --git a/arch/arm/mach-ns9xxx/irq.c b/arch/arm/mach-ns9xxx/irq.c index b8c7b00522e..24d424e10e4 100644 --- a/arch/arm/mach-ns9xxx/irq.c +++ b/arch/arm/mach-ns9xxx/irq.c @@ -17,33 +17,6 @@ #include "generic.h" -static void ns9xxx_ack_irq_timer(unsigned int irq) -{ - u32 tc = SYS_TC(irq - IRQ_TIMER0); - - /* - * If the timer is programmed to halt on terminal count, the - * timer must be disabled before clearing the interrupt. - */ - if (REGGET(tc, SYS_TCx, REN) == 0) { - REGSET(tc, SYS_TCx, TEN, DIS); - SYS_TC(irq - IRQ_TIMER0) = tc; - } - - REGSET(tc, SYS_TCx, INTC, SET); - SYS_TC(irq - IRQ_TIMER0) = tc; - - REGSET(tc, SYS_TCx, INTC, UNSET); - SYS_TC(irq - IRQ_TIMER0) = tc; -} - -static void (*ns9xxx_ack_irq_functions[NR_IRQS])(unsigned int) = { - [IRQ_TIMER0] = ns9xxx_ack_irq_timer, - [IRQ_TIMER1] = ns9xxx_ack_irq_timer, - [IRQ_TIMER2] = ns9xxx_ack_irq_timer, - [IRQ_TIMER3] = ns9xxx_ack_irq_timer, -}; - static void ns9xxx_mask_irq(unsigned int irq) { /* XXX: better use cpp symbols */ @@ -52,12 +25,6 @@ static void ns9xxx_mask_irq(unsigned int irq) static void ns9xxx_ack_irq(unsigned int irq) { - if (!ns9xxx_ack_irq_functions[irq]) { - printk(KERN_ERR "no ack function for irq %u\n", irq); - BUG(); - } - - ns9xxx_ack_irq_functions[irq](irq); SYS_ISRADDR = 0; } diff --git a/arch/arm/mach-ns9xxx/time.c b/arch/arm/mach-ns9xxx/time.c index b97d0c54a38..3327d302618 100644 --- a/arch/arm/mach-ns9xxx/time.c +++ b/arch/arm/mach-ns9xxx/time.c @@ -24,10 +24,24 @@ static u32 usecs_per_tick; static irqreturn_t ns9xxx_timer_interrupt(int irq, void *dev_id) { + int timerno = irq - IRQ_TIMER0; + u32 tc; + write_seqlock(&xtime_lock); timer_tick(); write_sequnlock(&xtime_lock); + /* clear irq */ + tc = SYS_TC(timerno); + if (REGGET(tc, SYS_TCx, REN) == SYS_TCx_REN_DIS) { + REGSET(tc, SYS_TCx, TEN, DIS); + SYS_TC(timerno) = tc; + } + REGSET(tc, SYS_TCx, INTC, SET); + SYS_TC(timerno) = tc; + REGSET(tc, SYS_TCx, INTC, UNSET); + SYS_TC(timerno) = tc; + return IRQ_HANDLED; } |