static int __init init_tick_nohz_full(void)
{
if (have_nohz_full_mask)
cpu_notifier(tick_nohz_cpu_down_callback, 0);
cpulist_scnprintf(nohz_full_buf, sizeof(nohz_full_buf), nohz_full_mask);
pr_info("NO_HZ: Full dynticks CPUs: %s.\n", nohz_full_buf);
return 0;
}
void __init rcu_init(void)
{
int i;
__rcu_init();
cpu_notifier(rcu_barrier_cpu_hotplug, 0);
/*
* We don't need protection against CPU-hotplug here because
* this is called early in boot, before either interrupts
* or the scheduler are operational.
*/
for_each_online_cpu(i)
rcu_barrier_cpu_hotplug(NULL, CPU_UP_PREPARE, (void *)(long)i);
}
static int arm_coresight_probe(struct platform_device *pdev)
{
#ifdef CONFIG_CORESIGHT_TRACE_SUPPORT
static struct clk *traceclk;
#endif
dbgclk = clk_get(&pdev->dev, "DBGCLK");
if (IS_ERR(dbgclk)) {
pr_warn("No DBGCLK is defined...\n");
dbgclk = NULL;
}
if (dbgclk)
clk_prepare(dbgclk);
arch_coresight_init();
#ifdef CONFIG_CORESIGHT_TRACE_SUPPORT
/* enable etm trace by default */
if (etm_need_enabled()) {
traceclk = clk_get(&pdev->dev, "TRACECLK");
if (IS_ERR(traceclk)) {
pr_warn("No TRACECLK is defined...\n");
traceclk = NULL;
}
if (traceclk)
clk_prepare_enable(traceclk);
arch_enable_trace(etm_enable_mask);
}
#endif
cpu_notifier(coresight_core_notifier, 0);
cpu_pm_register_notifier(&coresight_notifier_block);
return 0;
}
