[PATCH 66/69] clocksource/drivers/h8300: Fix timer not overflow case

From: Daniel Lezcano
Date: Fri Dec 18 2015 - 09:22:07 EST


From: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>

Signed-off-by: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
---
drivers/clocksource/h8300_timer16.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/h8300_timer16.c b/drivers/clocksource/h8300_timer16.c
index b14a8da..934ed0b 100644
--- a/drivers/clocksource/h8300_timer16.c
+++ b/drivers/clocksource/h8300_timer16.c
@@ -48,8 +48,10 @@ static unsigned long timer16_get_counter(struct timer16_priv *p)
} while (unlikely((o1 != o2) || (v1 > v2 && v1 < v3)
|| (v2 > v3 && v2 < v1) || (v3 > v1 && v3 < v2)));

- v2 |= 0x10000;
- return v2;
+ if (likely(!o1))
+ return v2;
+ else
+ return v2 + 0x10000;
}


--
1.9.1

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