diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/irqdomain.c | 1 | ||||
| -rw-r--r-- | kernel/irq/msi.c | 8 | ||||
| -rw-r--r-- | kernel/sched/idle.c | 6 | ||||
| -rw-r--r-- | kernel/time/tick-sched.c | 2 |
4 files changed, 7 insertions, 10 deletions
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 8cf95de1ab3f..6e655f7acd3b 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -1061,6 +1061,7 @@ void irq_domain_set_info(struct irq_domain *domain, unsigned int virq, __irq_set_handler(virq, handler, 0, handler_name); irq_set_handler_data(virq, handler_data); } +EXPORT_SYMBOL(irq_domain_set_info); /** * irq_domain_reset_irq_data - Clear hwirq, chip and chip_data in @irq_data diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 15b249e7c673..38e89ce7b071 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -109,9 +109,11 @@ static int msi_domain_alloc(struct irq_domain *domain, unsigned int virq, if (irq_find_mapping(domain, hwirq) > 0) return -EEXIST; - ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, arg); - if (ret < 0) - return ret; + if (domain->parent) { + ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, arg); + if (ret < 0) + return ret; + } for (i = 0; i < nr_irqs; i++) { ret = ops->msi_init(domain, info, virq + i, hwirq + i, arg); diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c index 2489140a7c51..de0e786b2667 100644 --- a/kernel/sched/idle.c +++ b/kernel/sched/idle.c @@ -97,12 +97,6 @@ void default_idle_call(void) static int call_cpuidle(struct cpuidle_driver *drv, struct cpuidle_device *dev, int next_state) { - /* Fall back to the default arch idle method on errors. */ - if (next_state < 0) { - default_idle_call(); - return next_state; - } - /* * The idle task must be scheduled, it is pointless to go to idle, just * update no idle residency and return. diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 9cc20af58c76..9d7a053545f5 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -387,7 +387,7 @@ void __init tick_nohz_init(void) /* * NO HZ enabled ? */ -static int tick_nohz_enabled __read_mostly = 1; +int tick_nohz_enabled __read_mostly = 1; unsigned long tick_nohz_active __read_mostly; /* * Enable / Disable tickless mode |