genirq: Remove unused remove_percpu_irq()

remove_percpu_irq() has been unused since it was added in 2011 by
commit 31d9d9b6d830 ("genirq: Add support for per-cpu dev_id interrupts")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250420164656.112641-1-linux@treblig.org

diff --git a/include/linux/irq.h b/include/linux/irq.h
index df93b238b8bf12b85358218d34543c7c34b93f63..810e44ee297f3c962e8f726757eff4e72497f775 100644 (file)
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -597,7 +597,6 @@ enum {
 
 struct irqaction;
 extern int setup_percpu_irq(unsigned int irq, struct irqaction *new);
-extern void remove_percpu_irq(unsigned int irq, struct irqaction *act);
 
 #ifdef CONFIG_DEPRECATED_IRQ_CPU_ONOFFLINE
 extern void irq_cpu_online(void);

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 827edc89460ef3c2b488e8b9e337dedfdbdfc996..e6c6c0a2dc9c465ce22112a59171702dcba7caec 100644 (file)
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -2377,21 +2377,6 @@ static struct irqaction *__free_percpu_irq(unsigned int irq, void __percpu *dev_
        return action;
 }
 
-/**
- * remove_percpu_irq - free a per-cpu interrupt
- * @irq:       Interrupt line to free
- * @act:       irqaction for the interrupt
- *
- * Used to remove interrupts statically setup by the early boot process.
- */
-void remove_percpu_irq(unsigned int irq, struct irqaction *act)
-{
-       struct irq_desc *desc = irq_to_desc(irq);
-
-       if (desc && irq_settings_is_per_cpu_devid(desc))
-               __free_percpu_irq(irq, act->percpu_dev_id);
-}
-
 /**
  * free_percpu_irq - free an interrupt allocated with request_percpu_irq
  * @irq:       Interrupt line to free