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linux-2.6/kernel/irq
Linus Walleij 2854d167cc irqdomain: augment add_simple() to allocate descs
Currently we rely on all IRQ chip instances to dynamically
allocate their IRQ descriptors unless they use the linear
IRQ domain. So for irqdomain_add_legacy() and
irqdomain_add_simple() the caller need to make sure that
descriptors are allocated.

Let's slightly augment the yet unused irqdomain_add_simple()
to also allocate descriptors as a means to simplify usage
and avoid code duplication throughout the kernel.

We warn if descriptors cannot be allocated, e.g. if a
platform has the bad habit of hogging descriptors at boot
time.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-10 08:57:26 +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: Export irq_set_chip_and_handler_name() 2012-08-21 16:14:23 +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 kernel: Fix files explicitly needing EXPORT_SYMBOL infrastructure 2011-10-31 19:30:05 -04:00
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: augment add_simple() to allocate descs 2012-10-10 08:57:26 +02:00
manage.c Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-08-03 10:56:44 -07:00
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
resend.c genirq: Allow check_wakeup_irqs to notice level-triggered interrupts 2012-05-04 23:38:50 +02:00
settings.h genirq: Add support for per-cpu dev_id interrupts 2011-10-03 15:35:26 +02:00
spurious.c module_param: make bool parameters really bool (core code) 2012-01-13 09:32:18 +10:30