diff options
Diffstat (limited to 'drivers/clocksource/samsung_pwm_timer.c')
| -rw-r--r-- | drivers/clocksource/samsung_pwm_timer.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c index 0c005f4fa29..b3112dc293b 100644 --- a/drivers/clocksource/samsung_pwm_timer.c +++ b/drivers/clocksource/samsung_pwm_timer.c @@ -298,6 +298,18 @@ static void __init samsung_clockevent_init(void) } } +static cycle_t samsung_clocksource_read(struct clocksource *c) +{ + return ~readl_relaxed(pwm.source_reg); +} + +static struct clocksource samsung_clocksource = { + .name = "samsung_clocksource_timer", + .rating = 250, + .read = samsung_clocksource_read, + .flags = CLOCK_SOURCE_IS_CONTINUOUS, +}; + /* * Override the global weak sched_clock symbol with this * local implementation which uses the clocksource to get some @@ -307,7 +319,7 @@ static void __init samsung_clockevent_init(void) */ static u32 notrace samsung_read_sched_clock(void) { - return ~__raw_readl(pwm.source_reg); + return samsung_clocksource_read(NULL); } static void __init samsung_clocksource_init(void) @@ -334,9 +346,8 @@ static void __init samsung_clocksource_init(void) setup_sched_clock(samsung_read_sched_clock, pwm.variant.bits, clock_rate); - ret = clocksource_mmio_init(pwm.source_reg, "samsung_clocksource_timer", - clock_rate, 250, pwm.variant.bits, - clocksource_mmio_readl_down); + samsung_clocksource.mask = CLOCKSOURCE_MASK(pwm.variant.bits); + ret = clocksource_register_hz(&samsung_clocksource, clock_rate); if (ret) panic("samsung_clocksource_timer: can't register clocksource\n"); } |