MIPS: csrc-r4k: Implement read_sched_clock
authorDeng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Sat, 7 Mar 2015 18:30:24 +0000 (10:30 -0800)
committerRalf Baechle <ralf@linux-mips.org>
Wed, 1 Apr 2015 15:21:27 +0000 (17:21 +0200)
commite9cef549c34603cd312cf536d8b624243a7963d4
treeb7164311f3e6f03ee555ed41798035d9184e1ac0
parent929de4cc9719398f3a7246854b6c254070e18b0a
MIPS: csrc-r4k: Implement read_sched_clock

Use c0 count register for sched_clock source. This implementation will give
high resolution cputime accounting.

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/9478/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/kernel/csrc-r4k.c