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[5/9] clocksource/drivers/rockchip_timer: implement loading 64bit value into timer

Message ID 1479922177-20136-5-git-send-email-al.kochet@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Alexander Kochetkov Nov. 23, 2016, 5:29 p.m. UTC 
Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com>
---
 drivers/clocksource/rockchip_timer.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/clocksource/rockchip_timer.c b/drivers/clocksource/rockchip_timer.c
index 3b530f9..f4c26be 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)