diff options
Diffstat (limited to 'arch/m68knommu/platform/5307/pit.c')
| -rw-r--r-- | arch/m68knommu/platform/5307/pit.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/arch/m68knommu/platform/5307/pit.c b/arch/m68knommu/platform/5307/pit.c index e53c446d10e..173b754d1cd 100644 --- a/arch/m68knommu/platform/5307/pit.c +++ b/arch/m68knommu/platform/5307/pit.c @@ -17,6 +17,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <asm/machdep.h> #include <asm/io.h> #include <asm/coldfire.h> #include <asm/mcfpit.h> @@ -31,28 +32,30 @@ /***************************************************************************/ -void coldfire_pit_tick(void) +static irqreturn_t hw_tick(int irq, void *dummy) { unsigned short pcsr; /* Reset the ColdFire timer */ pcsr = __raw_readw(TA(MCFPIT_PCSR)); __raw_writew(pcsr | MCFPIT_PCSR_PIF, TA(MCFPIT_PCSR)); + + return arch_timer_interrupt(irq, dummy); } /***************************************************************************/ static struct irqaction coldfire_pit_irq = { - .name = "timer", - .flags = IRQF_DISABLED | IRQF_TIMER, + .name = "timer", + .flags = IRQF_DISABLED | IRQF_TIMER, + .handler = hw_tick, }; -void coldfire_pit_init(irq_handler_t handler) +void hw_timer_init(void) { volatile unsigned char *icrp; volatile unsigned long *imrp; - coldfire_pit_irq.handler = handler; setup_irq(MCFINT_VECBASE + MCFINT_PIT1, &coldfire_pit_irq); icrp = (volatile unsigned char *) (MCF_IPSBAR + MCFICM_INTC0 + @@ -71,7 +74,7 @@ void coldfire_pit_init(irq_handler_t handler) /***************************************************************************/ -unsigned long coldfire_pit_offset(void) +unsigned long hw_timer_offset(void) { volatile unsigned long *ipr; unsigned long pmr, pcntr, offset; @@ -83,7 +86,7 @@ unsigned long coldfire_pit_offset(void) /* * If we are still in the first half of the upcount and a - * timer interupt is pending, then add on a ticks worth of time. + * timer interrupt is pending, then add on a ticks worth of time. */ offset = ((pmr - pcntr) * (1000000 / HZ)) / pmr; if ((offset < (1000000 / HZ / 2)) && (*ipr & MCFPIT_IMR_IBIT)) |