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author | Olof Johansson <olof@lixom.net> | 2013-01-28 22:36:23 +0100 |
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committer | Olof Johansson <olof@lixom.net> | 2013-01-28 22:36:23 +0100 |
commit | 7bcdd8d5e31db4f49ae52580e86723c376ee0999 (patch) | |
tree | bd252895046e9e17d3ab74b6a4d592b74976ca99 /drivers/clocksource/nomadik-mtu.c | |
parent | Merge tag 'ux500-cpufreq-for-arm-soc' of git://git.kernel.org/pub/scm/linux/k... (diff) | |
parent | Merge tag 'gic-vic-to-irqchip' of git://sources.calxeda.com/kernel/linux into... (diff) | |
download | linux-7bcdd8d5e31db4f49ae52580e86723c376ee0999.tar.xz linux-7bcdd8d5e31db4f49ae52580e86723c376ee0999.zip |
Merge branch 'depends/cleanup' into next/drivers
* depends/cleanup: (375 commits)
ARM: at91: fix board-rm9200-dt after sys_timer conversion
clocksource: use clockevents_config_and_register() where possible
ARM: use clockevents_config_and_register() where possible
clockevents: export clockevents_config_and_register for module use
timer: vt8500: Move timer code to drivers/clocksource
irqchip: Move ARM vic.h to include/linux/irqchip/arm-vic.h
ARM: picoxcell: use common irqchip_init function
ARM: spear: use common irqchip_init function
irqchip: Move ARM VIC to drivers/irqchip
ARM: samsung: remove unused tick.h
ARM: remove unneeded vic.h includes
ARM: remove mach .handle_irq for VIC users
ARM: VIC: set handle_arch_irq in VIC initialization
ARM: VIC: shrink down vic.h
irqchip: Move ARM gic.h to include/linux/irqchip/arm-gic.h
ARM: use common irqchip_init for GIC init
irqchip: Move ARM GIC to drivers/irqchip
ARM: remove mach .handle_irq for GIC users
ARM: GIC: set handle_arch_irq in GIC initialization
ARM: GIC: remove direct use of gic_raise_softirq
...
Diffstat (limited to 'drivers/clocksource/nomadik-mtu.c')
-rw-r--r-- | drivers/clocksource/nomadik-mtu.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/drivers/clocksource/nomadik-mtu.c b/drivers/clocksource/nomadik-mtu.c index 5f3c8dbf360f..435e54d55bbd 100644 --- a/drivers/clocksource/nomadik-mtu.c +++ b/drivers/clocksource/nomadik-mtu.c @@ -141,12 +141,32 @@ static void nmdk_clkevt_mode(enum clock_event_mode mode, } } +void nmdk_clksrc_reset(void) +{ + /* Disable */ + writel(0, mtu_base + MTU_CR(0)); + + /* ClockSource: configure load and background-load, and fire it up */ + writel(nmdk_cycle, mtu_base + MTU_LR(0)); + writel(nmdk_cycle, mtu_base + MTU_BGLR(0)); + + writel(clk_prescale | MTU_CRn_32BITS | MTU_CRn_ENA, + mtu_base + MTU_CR(0)); +} + +static void nmdk_clkevt_resume(struct clock_event_device *cedev) +{ + nmdk_clkevt_reset(); + nmdk_clksrc_reset(); +} + static struct clock_event_device nmdk_clkevt = { .name = "mtu_1", .features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_PERIODIC, .rating = 200, .set_mode = nmdk_clkevt_mode, .set_next_event = nmdk_clkevt_next, + .resume = nmdk_clkevt_resume, }; /* @@ -168,19 +188,6 @@ static struct irqaction nmdk_timer_irq = { .dev_id = &nmdk_clkevt, }; -void nmdk_clksrc_reset(void) -{ - /* Disable */ - writel(0, mtu_base + MTU_CR(0)); - - /* ClockSource: configure load and background-load, and fire it up */ - writel(nmdk_cycle, mtu_base + MTU_LR(0)); - writel(nmdk_cycle, mtu_base + MTU_BGLR(0)); - - writel(clk_prescale | MTU_CRn_32BITS | MTU_CRn_ENA, - mtu_base + MTU_CR(0)); -} - void __init nmdk_timer_init(void __iomem *base, int irq) { unsigned long rate; |