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genirq: Add IRQCHIP_SET_TYPE_MASKED flag

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irq_chips, which require to mask the chip before changing the trigger
type should set this flag. So the core takes care of it and the
requirement for looking into desc->status in the chip goes away.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Walleij <linus.walleij@stericsson.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
This commit is contained in:
Thomas Gleixner
2011-02-10 13:16:14 +01:00
parent 2bff17ad21
commit d4d5e08960
4 changed files with 26 additions and 5 deletions
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2
kernel/irq/internals.h
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@@ -84,6 +84,8 @@ extern int irq_startup(struct irq_desc *desc);
extern void irq_shutdown(struct irq_desc *desc);
extern void irq_enable(struct irq_desc *desc);
extern void irq_disable(struct irq_desc *desc);
extern void mask_irq(struct irq_desc *desc);
extern void unmask_irq(struct irq_desc *desc);
extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr);