genirq: Introduce irq_chip.irq_compose_msi_msg() to support stacked irqchip

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Add callback irq_compose_msi_msg to struct irq_chip, which will be used
to support stacked irqchip.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Yingjoe Chen <yingjoe.chen@mediatek.com>
Cc: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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Jiang Liu 2014-11-06 22:20:17 +08:00 • committed by Thomas Gleixner

parent 56e8abab61

commit 515085ef7e

2 changed files with 31 additions and 0 deletions

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5

include/linux/irq.h

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26

kernel/irq/chip.c

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