MIPS: csrc-ioasic: Implement read_sched_clock
Use DEC I/O ASIC's free-running counter for sched_clock source. This implementation will give high resolution cputime accounting. Acked-by: Maciej W. Rozycki <macro@linux-mips.org> Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Cc: linux-mips@linux-mips.org Cc: macro@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/9482/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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