Commit b019e573 authored by Kevin Hilman's avatar Kevin Hilman Committed by Ingo Molnar

genirq: add unlocked version of set_irq_handler()

Add unlocked version for use by irq_chip.set_type handlers which may
wish to change handler to level or edge handler when IRQ type is
changed.

The normal set_irq_handler() call cannot be used because it tries to
take irq_desc.lock which is already held when the irq_chip.set_type
hook is called.
Signed-off-by: default avatarKevin Hilman <khilman@mvista.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent cdc6f27d
...@@ -339,6 +339,13 @@ extern void ...@@ -339,6 +339,13 @@ extern void
__set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
const char *name); const char *name);
/* caller has locked the irq_desc and both params are valid */
static inline void __set_irq_handler_unlocked(int irq,
irq_flow_handler_t handler)
{
irq_desc[irq].handle_irq = handler;
}
/* /*
* Set a highlevel flow handler for a given IRQ: * Set a highlevel flow handler for a given IRQ:
*/ */
......
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