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linux/kernel/irq
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Axel Lin 002fca5df1 genirq: generic chip: Use DIV_ROUND_UP to calculate numchips 
The number of interrupts in a domain may be not divisible by the
number of interrupts each chip handles. Integer division may truncate
the result, thus use DIV_ROUND_UP to count numchips.

Seems all users of irq_alloc_domain_generic_chips() in current code do
not have this issue. I just found the issue while reading the code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: http://lkml.kernel.org/r/1373015592.18252.2.camel@phoenix
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-07-05 11:39:25 +02:00
..
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
dummychip.c genirq: Export dummy_irq_chip 2012-08-21 16:14:23 +02:00
generic-chip.c genirq: generic chip: Use DIV_ROUND_UP to calculate numchips 2013-07-05 11:39:25 +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
Kconfig irq_domain: correct the debugfs file name 2012-04-10 22:39:17 -06:00
Makefile
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
spurious.c genirq: Avoid deadlock in spurious handling 2012-12-11 12:25:30 +01:00