Merge remote-tracking branch 'wireless-next/master' into mac80211-next

5 files changed, 25 insertions, 13 deletions

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index a3bb14fbe5c6..dc04c166c54d 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -214,7 +214,7 @@ void irq_enable(struct irq_desc *desc)
 }
 
 /**
- * irq_disable - Mark interupt disabled
+ * irq_disable - Mark interrupt disabled
  * @desc:	irq descriptor which should be disabled
  *
  * If the chip does not implement the irq_disable callback, we
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 706724e9835d..cf68bb36fe58 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -465,27 +465,26 @@ int irq_create_strict_mappings(struct irq_domain *domain, unsigned int irq_base,
 }
 EXPORT_SYMBOL_GPL(irq_create_strict_mappings);
 
-unsigned int irq_create_of_mapping(struct device_node *controller,
-				   const u32 *intspec, unsigned int intsize)
+unsigned int irq_create_of_mapping(struct of_phandle_args *irq_data)
 {
 	struct irq_domain *domain;
 	irq_hw_number_t hwirq;
 	unsigned int type = IRQ_TYPE_NONE;
 	unsigned int virq;
 
-	domain = controller ? irq_find_host(controller) : irq_default_domain;
+	domain = irq_data->np ? irq_find_host(irq_data->np) : irq_default_domain;
 	if (!domain) {
 		pr_warn("no irq domain found for %s !\n",
-			of_node_full_name(controller));
+			of_node_full_name(irq_data->np));
 		return 0;
 	}
 
 	/* If domain has no translation, then we assume interrupt line */
 	if (domain->ops->xlate == NULL)
-		hwirq = intspec[0];
+		hwirq = irq_data->args[0];
 	else {
-		if (domain->ops->xlate(domain, controller, intspec, intsize,
-				     &hwirq, &type))
+		if (domain->ops->xlate(domain, irq_data->np, irq_data->args,
+					irq_data->args_count, &hwirq, &type))
 			return 0;
 	}
 
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 514bcfd855a8..481a13c43b17 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -786,7 +786,7 @@ irq_forced_thread_fn(struct irq_desc *desc, struct irqaction *action)
 }
 
 /*
- * Interrupts explicitely requested as threaded interupts want to be
+ * Interrupts explicitly requested as threaded interrupts want to be
  * preemtible - many of them need to sleep and wait for slow busses to
  * complete.
  */
@@ -956,7 +956,7 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
 			goto out_mput;
 		}
 
-		sched_setscheduler(t, SCHED_FIFO, &param);
+		sched_setscheduler_nocheck(t, SCHED_FIFO, &param);
 
 		/*
 		 * We keep the reference to the task struct even if
diff --git a/kernel/irq/settings.h b/kernel/irq/settings.h
index 1162f1030f18..3320b84cc60f 100644
--- a/kernel/irq/settings.h
+++ b/kernel/irq/settings.h
@@ -14,6 +14,7 @@ enum {
 	_IRQ_NO_BALANCING	= IRQ_NO_BALANCING,
 	_IRQ_NESTED_THREAD	= IRQ_NESTED_THREAD,
 	_IRQ_PER_CPU_DEVID	= IRQ_PER_CPU_DEVID,
+	_IRQ_IS_POLLED		= IRQ_IS_POLLED,
 	_IRQF_MODIFY_MASK	= IRQF_MODIFY_MASK,
 };
 
@@ -26,6 +27,7 @@ enum {
 #define IRQ_NOAUTOEN		GOT_YOU_MORON
 #define IRQ_NESTED_THREAD	GOT_YOU_MORON
 #define IRQ_PER_CPU_DEVID	GOT_YOU_MORON
+#define IRQ_IS_POLLED		GOT_YOU_MORON
 #undef IRQF_MODIFY_MASK
 #define IRQF_MODIFY_MASK	GOT_YOU_MORON
 
@@ -147,3 +149,8 @@ static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
 {
 	return desc->status_use_accessors & _IRQ_NESTED_THREAD;
 }
+
+static inline bool irq_settings_is_polled(struct irq_desc *desc)
+{
+	return desc->status_use_accessors & _IRQ_IS_POLLED;
+}
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index 7b5f012bde9d..a1d8cc63b56e 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -67,8 +67,13 @@ static int try_one_irq(int irq, struct irq_desc *desc, bool force)
 
 	raw_spin_lock(&desc->lock);
 
-	/* PER_CPU and nested thread interrupts are never polled */
-	if (irq_settings_is_per_cpu(desc) || irq_settings_is_nested_thread(desc))
+	/*
+	 * PER_CPU, nested thread interrupts and interrupts explicitely
+	 * marked polled are excluded from polling.
+	 */
+	if (irq_settings_is_per_cpu(desc) ||
+	    irq_settings_is_nested_thread(desc) ||
+	    irq_settings_is_polled(desc))
 		goto out;
 
 	/*
@@ -268,7 +273,8 @@ try_misrouted_irq(unsigned int irq, struct irq_desc *desc,
 void note_interrupt(unsigned int irq, struct irq_desc *desc,
 		    irqreturn_t action_ret)
 {
-	if (desc->istate & IRQS_POLL_INPROGRESS)
+	if (desc->istate & IRQS_POLL_INPROGRESS ||
+	    irq_settings_is_polled(desc))
 		return;
 
 	/* we get here again via the threaded handler */