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xtensa: move built-in PIC to drivers/irqchip

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Extract xtensa built-in interrupt controller implementation from
xtensa/kernel/irq.c and move it to other irqchips, providing way to
instantiate it from the device tree.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
This commit is contained in:
Max Filippov
2013-12-01 12:59:49 +04:00
committed by Chris Zankel
parent c8f3a7dc01
commit cbd1de2e8e
6 changed files with 165 additions and 108 deletions
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7
arch/xtensa/include/asm/irq.h
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@@ -43,5 +43,12 @@ static __inline__ int irq_canonicalize(int irq)
}
struct irqaction;
struct irq_domain;
int xtensa_irq_domain_xlate(const u32 *intspec, unsigned int intsize,
unsigned long int_irq, unsigned long ext_irq,
unsigned long *out_hwirq, unsigned int *out_type);
int xtensa_irq_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw);
unsigned xtensa_map_ext_irq(unsigned ext_irq);
#endif /* _XTENSA_IRQ_H */