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>
This commit is contained in:
parent
74d2e4f8d7
commit
e00d9d4b17
|
@ -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
|
||||
*/
|
||||
|
|
Loading…
Reference in a new issue