lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[PATCH] genirq: core

Browse Source 
Core genirq support: add the irq-chip and irq-flow abstractions.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Thomas Gleixner
2006-06-29 02:24:51 -07:00
committed by Linus Torvalds
parent a34db9b28a
commit 6a6de9ef58
7 changed files with 182 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
kernel/irq/manage.c
View File

@ -153,6 +153,17 @@ int can_request_irq(unsigned int irq, unsigned long irqflags)
return !action;
}
void compat_irq_chip_set_default_handler(struct irq_desc *desc)
{
/*
* If the architecture still has not overriden
* the flow handler then zap the default. This
* should catch incorrect flow-type setting.
*/
if (desc->handle_irq == &handle_bad_irq)
desc->handle_irq = NULL;
}
/*
* Internal function to register an irqaction - typically used to
* allocate special interrupts that are part of the architecture.
@ -217,6 +228,9 @@ int setup_irq(unsigned int irq, struct irqaction *new)
desc->status |= IRQ_PER_CPU;
#endif
if (!shared) {
irq_chip_set_defaults(desc->chip);
compat_irq_chip_set_default_handler(desc);
desc->status &= ~(IRQ_AUTODETECT | IRQ_WAITING |
IRQ_INPROGRESS);