linux-kernel - [tip: irq/core] genirq: Remove unused remove_percpu

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Message-ID: <174661097644.406.372511720519590403.tip-bot2@tip-bot2>
Date: Wed, 07 May 2025 09:42:56 -0000
From: "tip-bot2 for Dr. David Alan Gilbert" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: "Dr. David Alan Gilbert" <linux@...blig.org>,
 Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
 linux-kernel@...r.kernel.org, maz@...nel.org
Subject: [tip: irq/core] genirq: Remove unused remove_percpu_irq()

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     aefc11550ebd08eadee6d643792c9092de2e472f
Gitweb:        https://git.kernel.org/tip/aefc11550ebd08eadee6d643792c9092de2e472f
Author:        Dr. David Alan Gilbert <linux@...blig.org>
AuthorDate:    Sun, 20 Apr 2025 17:46:56 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Wed, 07 May 2025 11:35:41 +02:00

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@...blig.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/all/20250420164656.112641-1-linux@treblig.org

---
 include/linux/irq.h |  1 -
 kernel/irq/manage.c | 15 ---------------
 2 files changed, 16 deletions(-)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index df93b23..810e44e 100644
--- 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 827edc8..e6c6c0a 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -2378,21 +2378,6 @@ static struct irqaction *__free_percpu_irq(unsigned int irq, void __percpu *dev_
 }
 
 /**
- * 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
  * @dev_id:	Device identity to free