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linux/kernel/irq
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Ben Hutchings 2779db8d37 genirq: Fix can_request_irq() for IRQs without an action 
Commit 02725e7471 ('genirq: Use irq_get/put functions'),
inadvertently changed can_request_irq() to return 0 for IRQs that have
no action.  This causes pcibios_lookup_irq() to select only IRQs that
already have an action with IRQF_SHARED set, or to fail if there are
none.  Change can_request_irq() to return 1 for IRQs that have no
action (if the first two conditions are met).

Reported-by: Bjarni Ingi Gislason <bjarniig@rhi.hi.is>
Tested-by: Bjarni Ingi Gislason <bjarniig@rhi.hi.is> (against 3.2)
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: 709647@bugs.debian.org
Cc: stable@vger.kernel.org # 2.6.39+
Link: http://bugs.debian.org/709647
Link: http://lkml.kernel.org/r/1372383630.23847.40.camel@deadeye.wl.decadent.org.uk
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
 		2013-06-28 12:56:03 +02:00
..
Kconfig irq_domain: correct the debugfs file name 2012-04-10 22:39:17 -06:00
Makefile irq: add irq_domain translation infrastructure 2011-07-28 01:32:04 -06:00
autoprobe.c genirq: Handle pending irqs in irq_startup() 2012-02-15 11:56:59 +01:00
chip.c genirq: Add kerneldoc for irq_disable. 2013-05-29 11:09:10 +02:00
debug.h irq: hide debug macros so they don't collide with others. 2012-04-23 12:30:03 -04:00
devres.c devres: fix possible use after free 2011-07-25 20:57:14 -07:00
dummychip.c genirq: Export dummy_irq_chip 2012-08-21 16:14:23 +02:00
generic-chip.c genirq: Irqchip: document gcflags arg of irq_alloc_domain_generic_chips 2013-06-24 15:38:12 +02:00
handle.c random: make 'add_interrupt_randomness()' do something sane 2012-07-14 20:17:28 -04:00
internals.h genirq: Introduce irq_do_set_affinity() to reduce duplicated code 2012-05-24 22:36:40 +02:00
irqdesc.c genirq: export handle_edge_irq() and irq_to_desc() 2012-05-15 08:10:07 -07:00
irqdomain.c irqdomain: Use irq_get_trigger_type() to get IRQ flags 2013-06-25 11:48:25 +02:00
manage.c genirq: Fix can_request_irq() for IRQs without an action 2013-06-28 12:56:03 +02:00
migration.c genirq: Introduce irq_do_set_affinity() to reduce duplicated code 2012-05-24 22:36:40 +02:00
pm.c genirq: Do not consider disabled wakeup irqs 2012-05-04 23:38:50 +02:00
proc.c proc: Supply a function to remove a proc entry by PDE 2013-05-01 17:29:46 -04:00
resend.c genirq: Provide means to retrigger parent 2012-11-01 12:11:31 +01:00
settings.h genirq: Add support for per-cpu dev_id interrupts 2011-10-03 15:35:26 +02:00
spurious.c genirq: Avoid deadlock in spurious handling 2012-12-11 12:25:30 +01:00