genirq: Make a few functions static

None of these functions are used outside of their source files.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/878qpe2gnx.ffs@tglx

include/linux/irqdomain.h

@@ -630,9 +630,6 @@ static inline int irq_domain_alloc_irqs(struct irq_domain *domain,
 				       NULL);
 }
 
-int irq_domain_alloc_irqs_hierarchy(struct irq_domain *domain,
-				    unsigned int irq_base,
-				    unsigned int nr_irqs, void *arg);
 int irq_domain_set_hwirq_and_chip(struct irq_domain *domain,
 				  unsigned int virq,
 				  irq_hw_number_t hwirq,

kernel/irq/chip.c

@@ -232,6 +232,21 @@ __irq_startup_managed(struct irq_desc *desc, const struct cpumask *aff,
 }
 #endif
 
+static void irq_enable(struct irq_desc *desc)
+{
+	if (!irqd_irq_disabled(&desc->irq_data)) {
+		unmask_irq(desc);
+	} else {
+		irq_state_clr_disabled(desc);
+		if (desc->irq_data.chip->irq_enable) {
+			desc->irq_data.chip->irq_enable(&desc->irq_data);
+			irq_state_clr_masked(desc);
+		} else {
+			unmask_irq(desc);
+		}
+	}
+}
+
 static int __irq_startup(struct irq_desc *desc)
 {
 	struct irq_data *d = irq_desc_get_irq_data(desc);
@@ -332,21 +347,6 @@ void irq_shutdown_and_deactivate(struct irq_desc *desc)
 	irq_domain_deactivate_irq(&desc->irq_data);
 }
 
-void irq_enable(struct irq_desc *desc)
-{
-	if (!irqd_irq_disabled(&desc->irq_data)) {
-		unmask_irq(desc);
-	} else {
-		irq_state_clr_disabled(desc);
-		if (desc->irq_data.chip->irq_enable) {
-			desc->irq_data.chip->irq_enable(&desc->irq_data);
-			irq_state_clr_masked(desc);
-		} else {
-			unmask_irq(desc);
-		}
-	}
-}
-
 static void __irq_disable(struct irq_desc *desc, bool mask)
 {
 	if (irqd_irq_disabled(&desc->irq_data)) {

kernel/irq/internals.h

@@ -90,26 +90,19 @@ extern int irq_startup(struct irq_desc *desc, bool resend, bool force);
 
 extern void irq_shutdown(struct irq_desc *desc);
 extern void irq_shutdown_and_deactivate(struct irq_desc *desc);
-extern void irq_enable(struct irq_desc *desc);
 extern void irq_disable(struct irq_desc *desc);
 extern void irq_percpu_enable(struct irq_desc *desc, unsigned int cpu);
 extern void irq_percpu_disable(struct irq_desc *desc, unsigned int cpu);
 extern void mask_irq(struct irq_desc *desc);
 extern void unmask_irq(struct irq_desc *desc);
 extern void unmask_threaded_irq(struct irq_desc *desc);
 
-extern unsigned int kstat_irqs_desc(struct irq_desc *desc, const struct cpumask *cpumask);
-
 #ifdef CONFIG_SPARSE_IRQ
 static inline void irq_mark_irq(unsigned int irq) { }
 #else
 extern void irq_mark_irq(unsigned int irq);
 #endif
 
-extern int __irq_get_irqchip_state(struct irq_data *data,
-				   enum irqchip_irq_state which,
-				   bool *state);
-
 irqreturn_t __handle_irq_event_percpu(struct irq_desc *desc);
 irqreturn_t handle_irq_event_percpu(struct irq_desc *desc);
 irqreturn_t handle_irq_event(struct irq_desc *desc);
@@ -139,8 +132,6 @@ static inline void unregister_handler_proc(unsigned int irq,
 
 extern bool irq_can_set_affinity_usr(unsigned int irq);
 
-extern void irq_set_thread_affinity(struct irq_desc *desc);
-
 extern int irq_do_set_affinity(struct irq_data *data,
 			       const struct cpumask *dest, bool force);
 

kernel/irq/irqdesc.c

@@ -991,7 +991,7 @@ unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
 	return desc && desc->kstat_irqs ? per_cpu(desc->kstat_irqs->cnt, cpu) : 0;
 }
 
-unsigned int kstat_irqs_desc(struct irq_desc *desc, const struct cpumask *cpumask)
+static unsigned int kstat_irqs_desc(struct irq_desc *desc, const struct cpumask *cpumask)
 {
 	unsigned int sum = 0;
 	int cpu;

kernel/irq/irqdomain.c

@@ -1589,9 +1589,8 @@ static void irq_domain_free_irqs_hierarchy(struct irq_domain *domain,
 	}
 }
 
-int irq_domain_alloc_irqs_hierarchy(struct irq_domain *domain,
-				    unsigned int irq_base,
-				    unsigned int nr_irqs, void *arg)
+static int irq_domain_alloc_irqs_hierarchy(struct irq_domain *domain, unsigned int irq_base,
+					   unsigned int nr_irqs, void *arg)
 {
 	if (!domain->ops->alloc) {
 		pr_debug("domain->ops->alloc() is NULL\n");

kernel/irq/manage.c

@@ -35,6 +35,8 @@ static int __init setup_forced_irqthreads(char *arg)
 early_param("threadirqs", setup_forced_irqthreads);
 #endif
 
+static int __irq_get_irqchip_state(struct irq_data *d, enum irqchip_irq_state which, bool *state);
+
 static void __synchronize_hardirq(struct irq_desc *desc, bool sync_chip)
 {
 	struct irq_data *irqd = irq_desc_get_irq_data(desc);
@@ -187,7 +189,7 @@ bool irq_can_set_affinity_usr(unsigned int irq)
  *	set_cpus_allowed_ptr() here as we hold desc->lock and this
  *	code can be called from hard interrupt context.
  */
-void irq_set_thread_affinity(struct irq_desc *desc)
+static void irq_set_thread_affinity(struct irq_desc *desc)
 {
 	struct irqaction *action;
 
@@ -2789,8 +2791,7 @@ void teardown_percpu_nmi(unsigned int irq)
 	irq_put_desc_unlock(desc, flags);
 }
 
-int __irq_get_irqchip_state(struct irq_data *data, enum irqchip_irq_state which,
-			    bool *state)
+static int __irq_get_irqchip_state(struct irq_data *data, enum irqchip_irq_state which, bool *state)
 {
 	struct irq_chip *chip;
 	int err = -EINVAL;