From: Enlin Mu <[email protected]> Add sched_clock_register during init bootup log before this patch: [ 8.044000] UBIFS (ubi0:4): Mounting in unauthenticated mode [ 8.044000] UBIFS error (ubi0:4 pid 176): ubifs_read_superblock: bad superblock, error 4 [ 8.048000] magic 0x6101831 [ 8.048000] crc 0x68cacdd8
bootup log after this patch: [ 8.131116] UBIFS (ubi0:4): Mounting in unauthenticated mode [ 8.132096] UBIFS error (ubi0:4 pid 176): ubifs_read_superblock: bad superblock, error 4 [ 8.133352] magic 0x6101831 [ 8.133905] crc 0x68cacdd8 Signed-off-by: Enlin Mu <[email protected]> --- drivers/clocksource/timer-rda.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/clocksource/timer-rda.c b/drivers/clocksource/timer-rda.c index fd1199c189bf..0be8e05970e2 100644 --- a/drivers/clocksource/timer-rda.c +++ b/drivers/clocksource/timer-rda.c @@ -13,6 +13,7 @@ #include <linux/init.h> #include <linux/interrupt.h> +#include <linux/sched_clock.h> #include "timer-of.h" @@ -153,7 +154,7 @@ static struct timer_of rda_ostimer_of = { }, }; -static u64 rda_hwtimer_read(struct clocksource *cs) +static u64 rda_hwtimer_clocksource_read(void) { void __iomem *base = timer_of_base(&rda_ostimer_of); u32 lo, hi; @@ -167,6 +168,11 @@ static u64 rda_hwtimer_read(struct clocksource *cs) return ((u64)hi << 32) | lo; } +static u64 rda_hwtimer_read(struct clocksource *cs) +{ + return rda_hwtimer_clocksource_read(); +} + static struct clocksource rda_hwtimer_clocksource = { .name = "rda-timer", .rating = 400, @@ -185,6 +191,7 @@ static int __init rda_timer_init(struct device_node *np) return ret; clocksource_register_hz(&rda_hwtimer_clocksource, rate); + sched_clock_register(rda_hwtimer_clocksource_read, 64, rate); clockevents_config_and_register(&rda_ostimer_of.clkevt, rate, 0x2, UINT_MAX); -- 2.39.2
