irq: Fix typos in comments

[ Upstream commit a359f757965aafd0f58570de95dc6bc06cf12a9c ]

Fix ~36 single-word typos in the IRQ, irqchip and irqdomain code comments.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Stable-dep-of: 6e6f75c9c98d ("irqdomain: Look for existing mapping only once")
Signed-off-by: Sasha Levin <sashal@kernel.org>

kernel/irq/chip.c

@@ -811,7 +811,7 @@ void handle_edge_irq(struct irq_desc *desc)
 		/*
 		 * When another irq arrived while we were handling
 		 * one, we could have masked the irq.
-		 * Renable it, if it was not disabled in meantime.
+		 * Reenable it, if it was not disabled in meantime.
 		 */
 		if (unlikely(desc->istate & IRQS_PENDING)) {
 			if (!irqd_irq_disabled(&desc->irq_data) &&

kernel/irq/dummychip.c

@@ -13,7 +13,7 @@
 
 /*
  * What should we do if we get a hw irq event on an illegal vector?
- * Each architecture has to answer this themself.
+ * Each architecture has to answer this themselves.
  */
 static void ack_bad(struct irq_data *data)
 {

kernel/irq/irqdesc.c

@@ -31,7 +31,7 @@ static int __init irq_affinity_setup(char *str)
 	cpulist_parse(str, irq_default_affinity);
 	/*
 	 * Set at least the boot cpu. We don't want to end up with
-	 * bugreports caused by random comandline masks
+	 * bugreports caused by random commandline masks
 	 */
 	cpumask_set_cpu(smp_processor_id(), irq_default_affinity);
 	return 1;

kernel/irq/irqdomain.c

@@ -53,7 +53,7 @@ EXPORT_SYMBOL_GPL(irqchip_fwnode_ops);
  * @name:	Optional user provided domain name
  * @pa:		Optional user-provided physical address
  *
- * Allocate a struct irqchip_fwid, and return a poiner to the embedded
+ * Allocate a struct irqchip_fwid, and return a pointer to the embedded
  * fwnode_handle (or NULL on failure).
  *
  * Note: The types IRQCHIP_FWNODE_NAMED and IRQCHIP_FWNODE_NAMED_ID are
@@ -657,7 +657,7 @@ unsigned int irq_create_mapping_affinity(struct irq_domain *domain,
 
 	pr_debug("irq_create_mapping(0x%p, 0x%lx)\n", domain, hwirq);
 
-	/* Look for default domain if nececssary */
+	/* Look for default domain if necessary */
 	if (domain == NULL)
 		domain = irq_default_domain;
 	if (domain == NULL) {
@@ -893,7 +893,7 @@ unsigned int irq_find_mapping(struct irq_domain *domain,
 {
 	struct irq_data *data;
 
-	/* Look for default domain if nececssary */
+	/* Look for default domain if necessary */
 	if (domain == NULL)
 		domain = irq_default_domain;
 	if (domain == NULL)
@@ -1423,7 +1423,7 @@ int irq_domain_alloc_irqs_hierarchy(struct irq_domain *domain,
  * The whole process to setup an IRQ has been split into two steps.
  * The first step, __irq_domain_alloc_irqs(), is to allocate IRQ
  * descriptor and required hardware resources. The second step,
- * irq_domain_activate_irq(), is to program hardwares with preallocated
+ * irq_domain_activate_irq(), is to program the hardware with preallocated
  * resources. In this way, it's easier to rollback when failing to
  * allocate resources.
  */

kernel/irq/manage.c

@@ -341,7 +341,7 @@ static bool irq_set_affinity_deactivated(struct irq_data *data,
 	 * If the interrupt is not yet activated, just store the affinity
 	 * mask and do not call the chip driver at all. On activation the
 	 * driver has to make sure anyway that the interrupt is in a
-	 * useable state so startup works.
+	 * usable state so startup works.
 	 */
 	if (!IS_ENABLED(CONFIG_IRQ_DOMAIN_HIERARCHY) ||
 	    irqd_is_activated(data) || !irqd_affinity_on_activate(data))
@@ -999,7 +999,7 @@ again:
 	 * to IRQS_INPROGRESS and the irq line is masked forever.
 	 *
 	 * This also serializes the state of shared oneshot handlers
-	 * versus "desc->threads_onehsot |= action->thread_mask;" in
+	 * versus "desc->threads_oneshot |= action->thread_mask;" in
 	 * irq_wake_thread(). See the comment there which explains the
 	 * serialization.
 	 */
@@ -1877,7 +1877,7 @@ static struct irqaction *__free_irq(struct irq_desc *desc, void *dev_id)
 	/* Last action releases resources */
 	if (!desc->action) {
 		/*
-		 * Reaquire bus lock as irq_release_resources() might
+		 * Reacquire bus lock as irq_release_resources() might
 		 * require it to deallocate resources over the slow bus.
 		 */
 		chip_bus_lock(desc);

kernel/irq/msi.c

@@ -5,7 +5,7 @@
  *
  * This file is licensed under GPLv2.
  *
- * This file contains common code to support Message Signalled Interrupt for
+ * This file contains common code to support Message Signaled Interrupts for
  * PCI compatible and non PCI compatible devices.
  */
 #include <linux/types.h>

kernel/irq/timings.c

@@ -490,7 +490,7 @@ static inline void irq_timings_store(int irq, struct irqt_stat *irqs, u64 ts)
 
 	/*
 	 * The interrupt triggered more than one second apart, that
-	 * ends the sequence as predictible for our purpose. In this
+	 * ends the sequence as predictable for our purpose. In this
 	 * case, assume we have the beginning of a sequence and the
 	 * timestamp is the first value. As it is impossible to
 	 * predict anything at this point, return.