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genirq/irq_sim: Add a devres variant of irq_sim_init()

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Add a resource managed version of irq_sim_init(). This can be
conveniently used in device drivers.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-doc@vger.kernel.org
Cc: linux-gpio@vger.kernel.org
Cc: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org>
Cc: Jonathan Cameron <jic23@kernel.org>
Link: http://lkml.kernel.org/r/20170814145318.6495-3-brgl@bgdev.pl
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Bartosz Golaszewski 2017-08-14 16:53:17 +02:00 • committed by Thomas Gleixner
parent b19af510e6
commit 44e72c7ebf
3 changed files with 47 additions and 0 deletions
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3
include/linux/irq_sim.h
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@ -10,6 +10,7 @@
*/
#include <linux/irq_work.h>
#include <linux/device.h>
/*
* Provides a framework for allocating simulated interrupts which can be
@ -34,6 +35,8 @@ struct irq_sim {
};
int irq_sim_init(struct irq_sim *sim, unsigned int num_irqs);
int devm_irq_sim_init(struct device *dev, struct irq_sim *sim,
unsigned int num_irqs);
void irq_sim_fini(struct irq_sim *sim);
void irq_sim_fire(struct irq_sim *sim, unsigned int offset);
int irq_sim_irqnum(struct irq_sim *sim, unsigned int offset);