tree ed05cb5eed4f2a7abd689b005449d8f3f4556372
parent b4f151ff899362fec952c45d166252c9912c041f
author David Howells <dhowells@redhat.com> 1222274911 +0100
committer Linus Torvalds <torvalds@linux-foundation.org> 1222299497 -0700

MN10300: Make sched_clock() report time since boot

Make sched_clock() report time since boot rather than time since last
timer interrupt.

Make sched_clock() expand and scale the 32-bit TSC value running at
IOCLK speed (~33MHz) to a 64-bit nanosecond counter, using cnt32_to_63()
acquired from the ARM arch and without using slow DIVU instructions
every call.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>