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genirq: Add irq_chip_(enable/disable)_parent

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Add helper irq_chip_enable_parent and irq_chip_disable_parent. The
helper implement the default behavior in case irq_enable or irq_disable
is not implemented for the parent interrupt chip, which is calling the
irq_mask or irq_unmask respectively.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Cc: marc.zyngier@arm.com
Cc: linux@arm.linux.org.uk
Cc: u.kleine-koenig@pengutronix.de
Cc: olof@lixom.net
Cc: arnd@arndb.de
Cc: daniel.lezcano@linaro.org
Cc: mark.rutland@arm.com
Cc: pawel.moll@arm.com
Cc: robh+dt@kernel.org
Cc: ijc+devicetree@hellion.org.uk
Cc: galak@codeaurora.org
Cc: mcoquelin.stm32@gmail.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: shawn.guo@linaro.org
Cc: kernel@pengutronix.de
Cc: jason@lakedaemon.net
Link: http://lkml.kernel.org/r/1431769465-26867-3-git-send-email-stefan@agner.ch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Stefan Agner 2015-05-16 11:44:14 +02:00 • committed by Thomas Gleixner
parent 5f22f5c668
commit 3cfeffc265
2 changed files with 30 additions and 0 deletions
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2
include/linux/irq.h
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@ -458,6 +458,8 @@ extern void handle_nested_irq(unsigned int irq);
extern int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg);
#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
extern void irq_chip_enable_parent(struct irq_data *data);
extern void irq_chip_disable_parent(struct irq_data *data);
extern void irq_chip_ack_parent(struct irq_data *data);
extern int irq_chip_retrigger_hierarchy(struct irq_data *data);
extern void irq_chip_mask_parent(struct irq_data *data);