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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2017-03-17 13:13:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-03-17 13:13:35 -0700 |
| commit | 18f48c9f3c88ec9fbf50c8a193f81969847ebb21 (patch) | |
| tree | 388e1c990e2b00b5375c0aa5478cd9f3be6e9087 /drivers | |
| parent | Merge tag 'afs-20170316' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs (diff) | |
| parent | Revert "clocksource/drivers/tcb_clksrc: Use 32 bit tcb as sched_clock" (diff) | |
| download | linux-dev-18f48c9f3c88ec9fbf50c8a193f81969847ebb21.tar.xz linux-dev-18f48c9f3c88ec9fbf50c8a193f81969847ebb21.zip | |
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"Just a simple revert of a new sched_clock implementation which turned
out to be buggy"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "clocksource/drivers/tcb_clksrc: Use 32 bit tcb as sched_clock"
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clocksource/tcb_clksrc.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c index 745844ee973e..d4ca9962a759 100644 --- a/drivers/clocksource/tcb_clksrc.c +++ b/drivers/clocksource/tcb_clksrc.c @@ -10,7 +10,6 @@ #include <linux/io.h> #include <linux/platform_device.h> #include <linux/atmel_tc.h> -#include <linux/sched_clock.h> /* @@ -57,14 +56,9 @@ static u64 tc_get_cycles(struct clocksource *cs) return (upper << 16) | lower; } -static u32 tc_get_cv32(void) -{ - return __raw_readl(tcaddr + ATMEL_TC_REG(0, CV)); -} - static u64 tc_get_cycles32(struct clocksource *cs) { - return tc_get_cv32(); + return __raw_readl(tcaddr + ATMEL_TC_REG(0, CV)); } static struct clocksource clksrc = { @@ -75,11 +69,6 @@ static struct clocksource clksrc = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; -static u64 notrace tc_read_sched_clock(void) -{ - return tc_get_cv32(); -} - #ifdef CONFIG_GENERIC_CLOCKEVENTS struct tc_clkevt_device { @@ -350,9 +339,6 @@ static int __init tcb_clksrc_init(void) clksrc.read = tc_get_cycles32; /* setup ony channel 0 */ tcb_setup_single_chan(tc, best_divisor_idx); - - /* register sched_clock on chips with single 32 bit counter */ - sched_clock_register(tc_read_sched_clock, 32, divided_rate); } else { /* tclib will give us three clocks no matter what the * underlying platform supports. |