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clocksource: pass clocksource to read() callback

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Pass clocksource pointer to the read() callback for clocksources.  This
allows us to share the callback between multiple instances.

[hugh@veritas.com: fix powerpc build of clocksource pass clocksource mods]
[akpm@linux-foundation.org: cleanup]
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Magnus Damm
2009-04-21 12:24:00 -07:00
committed by Linus Torvalds
parent ff14ed5db6
commit 8e19608e8b
54 changed files with 94 additions and 79 deletions
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arch/x86/kernel/tsc.c
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@@ -699,7 +699,7 @@ static struct clocksource clocksource_tsc;
* code, which is necessary to support wrapping clocksources like pm
* timer.
*/
static cycle_t read_tsc(void)
static cycle_t read_tsc(struct clocksource *cs)
{
cycle_t ret = (cycle_t)get_cycles();