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authorMagnus Damm <damm@igel.co.jp>2009-04-21 12:24:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-21 13:41:47 -0700
commit8e19608e8b5c001e4a66ce482edc474f05fb7355 (patch)
tree06af4be339136da7476396604c30112238d84339 /arch/blackfin
parentff14ed5db6e7e5e5dc23712d3c877891d4d9a1a8 (diff)
clocksource: pass clocksource to read() callback
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>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/kernel/time-ts.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c
index 0ed2badfd74..27646121280 100644
--- a/arch/blackfin/kernel/time-ts.c
+++ b/arch/blackfin/kernel/time-ts.c
@@ -58,16 +58,11 @@ static inline unsigned long long cycles_2_ns(cycle_t cyc)
return (cyc * cyc2ns_scale) >> CYC2NS_SCALE_FACTOR;
}
-static cycle_t read_cycles(void)
+static cycle_t read_cycles(struct clocksource *cs)
{
return __bfin_cycles_off + (get_cycles() << __bfin_cycles_mod);
}
-unsigned long long sched_clock(void)
-{
- return cycles_2_ns(read_cycles());
-}
-
static struct clocksource clocksource_bfin = {
.name = "bfin_cycles",
.rating = 350,
@@ -77,6 +72,11 @@ static struct clocksource clocksource_bfin = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
+unsigned long long sched_clock(void)
+{
+ return cycles_2_ns(read_cycles(&clocksource_bfin));
+}
+
static int __init bfin_clocksource_init(void)
{
set_cyc2ns_scale(get_cclk() / 1000);