linux-kernel - [PATCH 18/18] genirq: Remove setup_irq() and remove

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Date:   Wed, 12 Feb 2020 13:36:03 +0530
From:   afzal mohammed <afzal.mohd.ma@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>, Peter Xu <peterx@...hat.com>,
        Brian Masney <masneyb@...tation.org>,
        Maulik Shah <mkshah@...eaurora.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Lokesh Vutla <lokeshvutla@...com>
Subject: [PATCH 18/18] genirq: Remove setup_irq() and remove_irq()

Now that all the users of setup_irq() & remove_irq() has been replaced
by request_irq() & free_irq() respectively, delete them.

Signed-off-by: afzal mohammed <afzal.mohd.ma@...il.com>
---

Since cc'ing cover letter to all maintainers/reviewers would be too
many, refer for cover letter,
 https://lkml.kernel.org/r/cover.1581478323.git.afzal.mohd.ma@gmail.com

 include/linux/irq.h |  2 --
 kernel/irq/manage.c | 44 --------------------------------------------
 2 files changed, 46 deletions(-)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 3ed5a055b5f4..29f5bad87eb3 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -560,8 +560,6 @@ enum {
 #define IRQ_DEFAULT_INIT_FLAGS	ARCH_IRQ_INIT_FLAGS
 
 struct irqaction;
-extern int setup_irq(unsigned int irq, struct irqaction *new);
-extern void remove_irq(unsigned int irq, struct irqaction *act);
 extern int setup_percpu_irq(unsigned int irq, struct irqaction *new);
 extern void remove_percpu_irq(unsigned int irq, struct irqaction *act);
 
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 3089a60ea8f9..aa03b64605d3 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1697,34 +1697,6 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
 	return ret;
 }
 
-/**
- *	setup_irq - setup an interrupt
- *	@irq: Interrupt line to setup
- *	@act: irqaction for the interrupt
- *
- * Used to statically setup interrupts in the early boot process.
- */
-int setup_irq(unsigned int irq, struct irqaction *act)
-{
-	int retval;
-	struct irq_desc *desc = irq_to_desc(irq);
-
-	if (!desc || WARN_ON(irq_settings_is_per_cpu_devid(desc)))
-		return -EINVAL;
-
-	retval = irq_chip_pm_get(&desc->irq_data);
-	if (retval < 0)
-		return retval;
-
-	retval = __setup_irq(irq, desc, act);
-
-	if (retval)
-		irq_chip_pm_put(&desc->irq_data);
-
-	return retval;
-}
-EXPORT_SYMBOL_GPL(setup_irq);
-
 /*
  * Internal function to unregister an irqaction - used to free
  * regular and special interrupts that are part of the architecture.
@@ -1865,22 +1837,6 @@ static struct irqaction *__free_irq(struct irq_desc *desc, void *dev_id)
 	return action;
 }
 
-/**
- *	remove_irq - free an interrupt
- *	@irq: Interrupt line to free
- *	@act: irqaction for the interrupt
- *
- * Used to remove interrupts statically setup by the early boot process.
- */
-void remove_irq(unsigned int irq, struct irqaction *act)
-{
-	struct irq_desc *desc = irq_to_desc(irq);
-
-	if (desc && !WARN_ON(irq_settings_is_per_cpu_devid(desc)))
-		__free_irq(desc, act->dev_id);
-}
-EXPORT_SYMBOL_GPL(remove_irq);
-
 /**
  *	free_irq - free an interrupt allocated with request_irq
  *	@irq: Interrupt line to free
-- 
2.24.1