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Subject[PATCH v4 06/17] sched_clock: Remove sched_clock_func() hook
Date
Nobody is using sched_clock_func() anymore now that sched_clock
supports up to 64 bits. Remove the hook so that new code only
uses sched_clock_register().

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
---
include/linux/sched_clock.h | 2 --
kernel/time/sched_clock.c | 9 +--------
2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/include/linux/sched_clock.h b/include/linux/sched_clock.h
index eca7abe..cddf0c2 100644
--- a/include/linux/sched_clock.h
+++ b/include/linux/sched_clock.h
@@ -18,6 +18,4 @@ extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate);
extern void sched_clock_register(u64 (*read)(void), int bits,
unsigned long rate);

-extern unsigned long long (*sched_clock_func)(void);
-
#endif
diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c
index 3aa83ba..659c59a 100644
--- a/kernel/time/sched_clock.c
+++ b/kernel/time/sched_clock.c
@@ -63,7 +63,7 @@ static inline u64 notrace cyc_to_ns(u64 cyc, u32 mult, u32 shift)
return (cyc * mult) >> shift;
}

-static unsigned long long notrace sched_clock_32(void)
+unsigned long long notrace sched_clock(void)
{
u64 epoch_ns;
u64 epoch_cyc;
@@ -176,13 +176,6 @@ void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate)
sched_clock_register(read_sched_clock_32_wrapper, bits, rate);
}

-unsigned long long __read_mostly (*sched_clock_func)(void) = sched_clock_32;
-
-unsigned long long notrace sched_clock(void)
-{
- return sched_clock_func();
-}
-
void __init sched_clock_postinit(void)
{
/*
--
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