irqchip/armada-370-xp: Document the overall driver logic

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Since the overall logic of the driver to handle the global and per-CPU
masking of the interrupts is far from trivial, this commit adds a long
comment detailing how the hardware operates and what strategy the
driver implements on top of that.

Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

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Thomas Petazzoni 2017-05-18 10:07:38 +02:00 • committed by Marc Zyngier

parent 9a234c9c0a

commit 054ea4ce00

1 changed files with 80 additions and 0 deletions

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drivers/irqchip/irq-armada-370-xp.c

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