diff options
| -rw-r--r-- | include/linux/clockchips.h | 4 | ||||
| -rw-r--r-- | kernel/time/clockevents.c | 30 | ||||
| -rw-r--r-- | kernel/time/tick-broadcast.c | 2 | ||||
| -rw-r--r-- | kernel/time/tick-common.c | 2 | ||||
| -rw-r--r-- | kernel/time/tick-internal.h | 1 | ||||
| -rw-r--r-- | kernel/time/timer_list.c | 4 |
6 files changed, 28 insertions, 15 deletions
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h index 59af26b54d15..a41749543d48 100644 --- a/include/linux/clockchips.h +++ b/include/linux/clockchips.h @@ -87,7 +87,7 @@ enum clock_event_mode { * @set_mode_periodic: switch mode to periodic, if !set_mode * @set_mode_oneshot: switch mode to oneshot, if !set_mode * @set_mode_shutdown: switch mode to shutdown, if !set_mode - * @set_mode_resume: resume clkevt device, if !set_mode + * @tick_resume: resume clkevt device, if !set_mode * @broadcast: function to broadcast events * @min_delta_ticks: minimum delta value in ticks stored for reconfiguration * @max_delta_ticks: maximum delta value in ticks stored for reconfiguration @@ -125,7 +125,7 @@ struct clock_event_device { int (*set_mode_periodic)(struct clock_event_device *); int (*set_mode_oneshot)(struct clock_event_device *); int (*set_mode_shutdown)(struct clock_event_device *); - int (*set_mode_resume)(struct clock_event_device *); + int (*tick_resume)(struct clock_event_device *); void (*broadcast)(const struct cpumask *mask); void (*suspend)(struct clock_event_device *); diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c index 489642b08d64..1b0ea63de69c 100644 --- a/kernel/time/clockevents.c +++ b/kernel/time/clockevents.c @@ -100,7 +100,7 @@ static int __clockevents_set_mode(struct clock_event_device *dev, /* Transition with legacy set_mode() callback */ if (dev->set_mode) { /* Legacy callback doesn't support new modes */ - if (mode > CLOCK_EVT_MODE_RESUME) + if (mode > CLOCK_EVT_MODE_ONESHOT) return -ENOSYS; dev->set_mode(mode, dev); return 0; @@ -133,13 +133,6 @@ static int __clockevents_set_mode(struct clock_event_device *dev, return -ENOSYS; return dev->set_mode_oneshot(dev); - case CLOCK_EVT_MODE_RESUME: - /* Optional callback */ - if (dev->set_mode_resume) - return dev->set_mode_resume(dev); - else - return 0; - default: return -ENOSYS; } @@ -184,6 +177,25 @@ void clockevents_shutdown(struct clock_event_device *dev) dev->next_event.tv64 = KTIME_MAX; } +/** + * clockevents_tick_resume - Resume the tick device before using it again + * @dev: device to resume + */ +int clockevents_tick_resume(struct clock_event_device *dev) +{ + int ret = 0; + + if (dev->set_mode) + dev->set_mode(CLOCK_EVT_MODE_RESUME, dev); + else if (dev->tick_resume) + ret = dev->tick_resume(dev); + + if (likely(!ret)) + dev->mode = CLOCK_EVT_MODE_RESUME; + + return ret; +} + #ifdef CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST /* Limit min_delta to a jiffie */ @@ -433,7 +445,7 @@ static int clockevents_sanity_check(struct clock_event_device *dev) if (dev->set_mode) { /* We shouldn't be supporting new modes now */ WARN_ON(dev->set_mode_periodic || dev->set_mode_oneshot || - dev->set_mode_shutdown || dev->set_mode_resume); + dev->set_mode_shutdown || dev->tick_resume); return 0; } diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index 066f0ec05e48..542d5bb5c13d 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -464,7 +464,7 @@ int tick_resume_broadcast(void) bc = tick_broadcast_device.evtdev; if (bc) { - clockevents_set_mode(bc, CLOCK_EVT_MODE_RESUME); + clockevents_tick_resume(bc); switch (tick_broadcast_device.mode) { case TICKDEV_MODE_PERIODIC: diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index f7c515595b42..5c50664c21d7 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -384,7 +384,7 @@ void tick_resume(void) struct tick_device *td = this_cpu_ptr(&tick_cpu_device); int broadcast = tick_resume_broadcast(); - clockevents_set_mode(td->evtdev, CLOCK_EVT_MODE_RESUME); + clockevents_tick_resume(td->evtdev); if (!broadcast) { if (td->mode == TICKDEV_MODE_PERIODIC) diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h index 366aeb4f2c66..98700e4a2000 100644 --- a/kernel/time/tick-internal.h +++ b/kernel/time/tick-internal.h @@ -32,6 +32,7 @@ extern bool tick_check_replacement(struct clock_event_device *curdev, extern void tick_install_replacement(struct clock_event_device *dev); extern void clockevents_shutdown(struct clock_event_device *dev); +extern int clockevents_tick_resume(struct clock_event_device *dev); extern ssize_t sysfs_get_uname(const char *buf, char *dst, size_t cnt); diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c index 2cfd19485824..2b3e9393034d 100644 --- a/kernel/time/timer_list.c +++ b/kernel/time/timer_list.c @@ -251,9 +251,9 @@ print_tickdevice(struct seq_file *m, struct tick_device *td, int cpu) SEQ_printf(m, "\n"); } - if (dev->set_mode_resume) { + if (dev->tick_resume) { SEQ_printf(m, " resume: "); - print_name_offset(m, dev->set_mode_resume); + print_name_offset(m, dev->tick_resume); SEQ_printf(m, "\n"); } } |