diff options
| author | Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> | 2007-08-07 20:08:21 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-10-12 22:43:11 (GMT) |
| commit | bf62e8626963d0002315facb786a8833d404e21e (patch) | |
| tree | 942ee4379efec27289d8c06a28b374bd0d9181b2 /arch/arm/mach-ns9xxx/irq.c | |
| parent | 9f1ccefe3f74e642515ba58868cfd6924056d9a8 (diff) | |
| download | linux-fsl-qoriq-bf62e8626963d0002315facb786a8833d404e21e.tar.xz | |
[ARM] 4545/1: ns9xxx: simplify irq ack'ing
Now the drivers are responsible to clear the irq in the respective
device, which seems to be the normal thing to do.
So the ack'ing of the timer irq moved to time.c.
Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-ns9xxx/irq.c')
| -rw-r--r-- | arch/arm/mach-ns9xxx/irq.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/arch/arm/mach-ns9xxx/irq.c b/arch/arm/mach-ns9xxx/irq.c index b8c7b00..24d424e 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; } |