genirq: Mirror irq trigger type bits in irq_data.state

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That's the data structure chip functions get provided. Also allow them
to signal the core code that they updated the flags in irq_data.state
by returning IRQ_SET_MASK_OK_NOCOPY. The default is unchanged.

The type bits should be accessed via:

val = irqd_get_trigger_type(irqdata);
and
irqd_set_trigger_type(irqdata, val);

Coders who access them directly will be tracked down and slapped with
stinking trouts.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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This commit is contained in:

Thomas Gleixner 2011-02-08 17:28:12 +01:00

parent 2bdd10558c

commit 876dbd4cc1

5 changed files with 87 additions and 20 deletions

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26

include/linux/irq.h

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5

kernel/irq/chip.c

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44

kernel/irq/manage.c

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2

kernel/irq/resend.c

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30

kernel/irq/settings.h

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