[PATCHv2 09/11] clocksource/drivers/rockchip_timer: implement loading 64bit value into timer
From: Alexander Kochetkov <hidden>
Date: 2016-11-28 14:34:45
Also in:
linux-devicetree, linux-rockchip, lkml
Subsystem:
arm/rockchip soc support, clocksource, clockevent drivers, the rest · Maintainers:
Heiko Stuebner, Daniel Lezcano, Thomas Gleixner, Linus Torvalds
Signed-off-by: Alexander Kochetkov <redacted> --- drivers/clocksource/rockchip_timer.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/clocksource/rockchip_timer.c b/drivers/clocksource/rockchip_timer.c
index 61c3bb1..c2b0454 100644
--- a/drivers/clocksource/rockchip_timer.c
+++ b/drivers/clocksource/rockchip_timer.c@@ -63,11 +63,13 @@ static inline void rk_timer_enable(struct rk_timer *timer, u32 flags) writel_relaxed(TIMER_ENABLE | flags, timer->ctrl); } -static void rk_timer_update_counter(unsigned long cycles, - struct rk_timer *timer) +static void rk_timer_update_counter(u64 cycles, struct rk_timer *timer) { - writel_relaxed(cycles, timer->base + TIMER_LOAD_COUNT0); - writel_relaxed(0, timer->base + TIMER_LOAD_COUNT1); + u32 lower = cycles & 0xFFFFFFFF; + u32 upper = (cycles >> 32) & 0xFFFFFFFF; + + writel_relaxed(lower, timer->base + TIMER_LOAD_COUNT0); + writel_relaxed(upper, timer->base + TIMER_LOAD_COUNT1); } static void rk_timer_interrupt_clear(struct rk_timer *timer)
--
1.7.9.5