[PATCHv2 09/11] clocksource/drivers/rockchip_timer: implement loading 64bit value into timer

From	Alexander Kochetkov <al.kochet@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCHv2 09/11] clocksource/drivers/rockchip_timer: implement loading 64bit value into timer
Date	2016-11-28 15:40 +0100
Message-ID	<sIvg5-3iM-3@gated-at.bofh.it> (permalink)
References	<sIvg5-3iM-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
---
 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

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[PATCHv2 09/11] clocksource/drivers/rockchip_timer: implement loading 64bit value into timer Alexander Kochetkov <al.kochet@gmail.com> - 2016-11-28 15:40 +0100

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