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mx5/6 timer: Round up tick_to_time() value
Round up tick_to_time() value instead of truncating it. This avoids stopping waits instantly for low usec values, and this generally guarantees that the code always waits for at least the requested duration. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
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@ -61,7 +61,7 @@ static inline unsigned long long tick_to_time(unsigned long long tick)
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static inline unsigned long long us_to_tick(unsigned long long usec)
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{
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usec *= CLK_32KHZ;
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usec = usec * CLK_32KHZ + 999999;
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do_div(usec, 1000000);
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return usec;
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