[PATCH 18/18] genirq: Remove setup_irq() and remove_irq()

afzal mohammed
2020-02-12T08:06:08Z

Now that all the users of setup_irq() & remove_irq() has been replaced
by request_irq() & free_irq() respectively, delete them.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