diff options
Diffstat (limited to 'drivers/clocksource/arm_global_timer.c')
| -rw-r--r-- | drivers/clocksource/arm_global_timer.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c index db8afc7427a..60e5a170c4d 100644 --- a/drivers/clocksource/arm_global_timer.c +++ b/drivers/clocksource/arm_global_timer.c @@ -164,12 +164,13 @@ static irqreturn_t gt_clockevent_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static int __cpuinit gt_clockevents_init(struct clock_event_device *clk) +static int gt_clockevents_init(struct clock_event_device *clk) { int cpu = smp_processor_id(); clk->name = "arm_global_timer"; - clk->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT; + clk->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT | + CLOCK_EVT_FEAT_PERCPU; clk->set_mode = gt_clockevent_set_mode; clk->set_next_event = gt_clockevent_set_next_event; clk->cpumask = cpumask_of(cpu); @@ -201,7 +202,7 @@ static struct clocksource gt_clocksource = { }; #ifdef CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK -static u32 notrace gt_sched_clock_read(void) +static u64 notrace gt_sched_clock_read(void) { return gt_counter_read(); } @@ -216,13 +217,13 @@ static void __init gt_clocksource_init(void) writel(GT_CONTROL_TIMER_ENABLE, gt_base + GT_CONTROL); #ifdef CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK - setup_sched_clock(gt_sched_clock_read, 32, gt_clk_rate); + sched_clock_register(gt_sched_clock_read, 64, gt_clk_rate); #endif clocksource_register_hz(>_clocksource, gt_clk_rate); } -static int __cpuinit gt_cpu_notify(struct notifier_block *self, - unsigned long action, void *hcpu) +static int gt_cpu_notify(struct notifier_block *self, unsigned long action, + void *hcpu) { switch (action & ~CPU_TASKS_FROZEN) { case CPU_STARTING: @@ -235,7 +236,7 @@ static int __cpuinit gt_cpu_notify(struct notifier_block *self, return NOTIFY_OK; } -static struct notifier_block gt_cpu_nb __cpuinitdata = { +static struct notifier_block gt_cpu_nb = { .notifier_call = gt_cpu_notify, }; @@ -245,11 +246,12 @@ static void __init global_timer_of_register(struct device_node *np) int err = 0; /* - * In r2p0 the comparators for each processor with the global timer + * In A9 r2p0 the comparators for each processor with the global timer * fire when the timer value is greater than or equal to. In previous * revisions the comparators fired when the timer value was equal to. */ - if ((read_cpuid_id() & 0xf0000f) < 0x200000) { + if (read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9 + && (read_cpuid_id() & 0xf0000f) < 0x200000) { pr_warn("global-timer: non support for this cpu version.\n"); return; } |