Commit e00d9d4b authored Jan 09, 2010 by Mikael Pettersson Committed by Russell King Jan 27, 2010

ARM: 5869/1: ixp4xx: implement sched_clock()



Add a better sched_clock() to the ixp4xx platform,
implemented via its clocksource support.

This is based on the sched_clock() I implemented for
the IOP platform. Tested on a ds101 ixp420 machine.

Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent 74d2e4f8

arch/arm/mach-ixp4xx/common.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -426,6 +426,17 @@ static void __init ixp4xx_clocksource_init(void)
		clocksource_register(&clocksource_ixp4xx);
		}

		/*
		* sched_clock()
		*/
		unsigned long long sched_clock(void)
		{
		cycle_t cyc = ixp4xx_get_cycles(NULL);
		struct clocksource *cs = &clocksource_ixp4xx;

		return clocksource_cyc2ns(cyc, cs->mult, cs->shift);
		}

		/*
		* clockevents
		*/