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irq/generic-chip: Provide irq_destroy_generic_chip() 

Most users of irq_alloc_generic_chip() call irq_setup_generic_chip()
too. To simplify the cleanup provide a function that both removes a
generic chip and frees its memory.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-doc@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Link: http://lkml.kernel.org/r/1496246820-13250-3-git-send-email-brgl@bgdev.pl
hifive-unleashed-5.1
Bartosz Golaszewski 2017-05-31 18:06:57 +02:00 committed by Thomas Gleixner
parent 707188f5f2
commit 32bb6cbb3b
1 changed files with 8 additions and 0 deletions
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8
include/linux/irq.h
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@ -979,6 +979,14 @@ static inline void irq_free_generic_chip(struct irq_chip_generic *gc)
kfree(gc);
}
static inline void irq_destroy_generic_chip(struct irq_chip_generic *gc,
u32 msk, unsigned int clr,
unsigned int set)
{
irq_remove_generic_chip(gc, msk, clr, set);
irq_free_generic_chip(gc);
}
static inline struct irq_chip_type *irq_data_get_chip_type(struct irq_data *d)
{
return container_of(d->chip, struct irq_chip_type, chip);