[PATCH] genirq: doc: handle_IRQ_event() and __do_IRQ() comments
Document handle_IRQ_event() and __do_IRQ(). Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -76,8 +76,13 @@ irqreturn_t no_action(int cpl, void *dev_id, struct pt_regs *regs)
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return IRQ_NONE;
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}
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/*
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* Have got an event to handle:
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/**
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* handle_IRQ_event - irq action chain handler
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* @irq: the interrupt number
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* @regs: pointer to a register structure
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* @action: the interrupt action chain for this irq
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*
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* Handles the action chain of an irq event
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*/
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irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
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struct irqaction *action)
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@ -103,10 +108,17 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
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return retval;
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}
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/*
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* do_IRQ handles all normal device IRQ's (the special
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/**
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* __do_IRQ - original all in one highlevel IRQ handler
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* @irq: the interrupt number
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* @regs: pointer to a register structure
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*
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* __do_IRQ handles all normal device IRQ's (the special
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* SMP cross-CPU interrupts have their own specific
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* handlers).
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*
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* This is the original x86 implementation which is used for every
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* interrupt type.
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*/
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fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs)
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{
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