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-rw-r--r--kernel/irq/manage.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index bf9ae8a868..dd53298ef1 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -564,7 +564,7 @@ irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify)
/* The release function is promised process context */
might_sleep();
- if (!desc || desc->istate & IRQS_NMI)
+ if (!desc || irq_is_nmi(desc))
return -EINVAL;
/* Complete initialisation of *notify */
@@ -800,10 +800,14 @@ void __enable_irq(struct irq_desc *desc)
irq_settings_set_noprobe(desc);
/*
* Call irq_startup() not irq_enable() here because the
- * interrupt might be marked NOAUTOEN. So irq_startup()
- * needs to be invoked when it gets enabled the first
- * time. If it was already started up, then irq_startup()
- * will invoke irq_enable() under the hood.
+ * interrupt might be marked NOAUTOEN so irq_startup()
+ * needs to be invoked when it gets enabled the first time.
+ * This is also required when __enable_irq() is invoked for
+ * a managed and shutdown interrupt from the S3 resume
+ * path.
+ *
+ * If it was already started up, then irq_startup() will
+ * invoke irq_enable() under the hood.
*/
irq_startup(desc, IRQ_RESEND, IRQ_START_FORCE);
break;
@@ -898,7 +902,7 @@ int irq_set_irq_wake(unsigned int irq, unsigned int on)
return -EINVAL;
/* Don't use NMIs as wake up interrupts please */
- if (desc->istate & IRQS_NMI) {
+ if (irq_is_nmi(desc)) {
ret = -EINVAL;
goto out_unlock;
}
@@ -1333,7 +1337,7 @@ static int irq_thread(void *data)
* synchronize_hardirq(). So neither IRQTF_RUNTHREAD nor the
* oneshot mask bit can be set.
*/
- task_work_cancel(current, irq_thread_dtor);
+ task_work_cancel_func(current, irq_thread_dtor);
return 0;
}
@@ -1624,7 +1628,7 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
*/
unsigned int oldtype;
- if (desc->istate & IRQS_NMI) {
+ if (irq_is_nmi(desc)) {
pr_err("Invalid attempt to share NMI for %s (irq %d) on irqchip %s.\n",
new->name, irq, desc->irq_data.chip->name);
ret = -EINVAL;
@@ -2082,7 +2086,7 @@ const void *free_nmi(unsigned int irq, void *dev_id)
unsigned long flags;
const void *devname;
- if (!desc || WARN_ON(!(desc->istate & IRQS_NMI)))
+ if (!desc || WARN_ON(!irq_is_nmi(desc)))
return NULL;
if (WARN_ON(irq_settings_is_per_cpu_devid(desc)))
@@ -2548,7 +2552,7 @@ void free_percpu_nmi(unsigned int irq, void __percpu *dev_id)
if (!desc || !irq_settings_is_per_cpu_devid(desc))
return;
- if (WARN_ON(!(desc->istate & IRQS_NMI)))
+ if (WARN_ON(!irq_is_nmi(desc)))
return;
kfree(__free_percpu_irq(irq, dev_id));
@@ -2684,7 +2688,7 @@ int request_percpu_nmi(unsigned int irq, irq_handler_t handler,
return -EINVAL;
/* The line cannot already be NMI */
- if (desc->istate & IRQS_NMI)
+ if (irq_is_nmi(desc))
return -EINVAL;
action = kzalloc(sizeof(struct irqaction), GFP_KERNEL);
@@ -2745,7 +2749,7 @@ int prepare_percpu_nmi(unsigned int irq)
if (!desc)
return -EINVAL;
- if (WARN(!(desc->istate & IRQS_NMI),
+ if (WARN(!irq_is_nmi(desc),
KERN_ERR "prepare_percpu_nmi called for a non-NMI interrupt: irq %u\n",
irq)) {
ret = -EINVAL;
@@ -2787,7 +2791,7 @@ void teardown_percpu_nmi(unsigned int irq)
if (!desc)
return;
- if (WARN_ON(!(desc->istate & IRQS_NMI)))
+ if (WARN_ON(!irq_is_nmi(desc)))
goto out;
irq_nmi_teardown(desc);