From 234b6ceddb4fc2a4bc5b9a7670f070f6e69e0868 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sun, 8 May 2011 14:09:47 +0100 Subject: clocksource: convert ARM 32-bit up counting clocksources Convert ixp4xx, lpc32xx, mxc, netx, pxa, sa1100, tcc8k, tegra and u300 to use the generic mmio clocksource recently introduced. Cc: Imre Kaloz Cc: Krzysztof Halasa Acked-by: Eric Miao Acked-by: "Hans J. Koch" Acked-by: Colin Cross Cc: Erik Gilling Cc: Olof Johansson Acked-by: Linus Walleij Acked-by: Sascha Hauer Signed-off-by: Russell King --- arch/arm/mach-pxa/time.c | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-) (limited to 'arch/arm/mach-pxa') diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c index 428da3ff33a5..de684701449c 100644 --- a/arch/arm/mach-pxa/time.c +++ b/arch/arm/mach-pxa/time.c @@ -105,19 +105,6 @@ static struct clock_event_device ckevt_pxa_osmr0 = { .set_mode = pxa_osmr0_set_mode, }; -static cycle_t pxa_read_oscr(struct clocksource *cs) -{ - return OSCR; -} - -static struct clocksource cksrc_pxa_oscr0 = { - .name = "oscr0", - .rating = 200, - .read = pxa_read_oscr, - .mask = CLOCKSOURCE_MASK(32), - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - static struct irqaction pxa_ost0_irq = { .name = "ost0", .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, @@ -134,7 +121,6 @@ static void __init pxa_timer_init(void) init_sched_clock(&cd, pxa_update_sched_clock, 32, clock_tick_rate); - clocksource_calc_mult_shift(&cksrc_pxa_oscr0, clock_tick_rate, 4); clockevents_calc_mult_shift(&ckevt_pxa_osmr0, clock_tick_rate, 4); ckevt_pxa_osmr0.max_delta_ns = clockevent_delta2ns(0x7fffffff, &ckevt_pxa_osmr0); @@ -144,7 +130,8 @@ static void __init pxa_timer_init(void) setup_irq(IRQ_OST0, &pxa_ost0_irq); - clocksource_register_hz(&cksrc_pxa_oscr0, clock_tick_rate); + clocksource_mmio_init(&OSCR, "oscr0", clock_tick_rate, 200, 32, + clocksource_mmio_readl_up); clockevents_register_device(&ckevt_pxa_osmr0); } -- cgit v1.2.3