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be83c3b6e7
If CMT instance has at least two channels, one channel will be used as a clock source and another one used as a clock event device. In that case, IRQ is not requested for clock source channel so sh_cmt_clock_event_program_verify() might work incorrectly. Besides, when a channel is only used for clock source, don't need to re-set the next match_value since it should be maximum timeout as it still is. On the other hand, due to no IRQ, total_cycles is not counted up when reaches compare match time (timer counter resets to zero), so sh_cmt_clocksource_read() returns unexpected value. Therefore, use 64-bit clocksoure's mask for 32-bit or 16-bit variants will also lead to wrong delta calculation. Hence, this mask should correspond to timer counter width, and above function just returns the raw value of timer counter register. Fixes: |
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