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author | Sebastian Reichel <sre@kernel.org> | 2014-05-06 15:44:50 +0200 |
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committer | Sebastian Reichel <sre@kernel.org> | 2014-05-06 15:44:50 +0200 |
commit | 695f5ec02203ef23f127eacb86991d23307f3c6f (patch) | |
tree | ecb9c29268fa34559dfa06472d991bc5d92708be /include/linux/interrupt.h | |
parent | 5bdeae302496a8ac49848f4fed26b1d87a67d966 (diff) | |
parent | 793ec5f7dccf95c0d6d5d57a925a13261a7cbd2b (diff) | |
download | linux-n900-dt-with-ssi.tar.bz2 |
Merge branch 'n900-modem-support' into n900-dt-with-ssin900-dt-with-ssi
Conflicts:
arch/arm/boot/dts/omap3-n900.dts
Diffstat (limited to 'include/linux/interrupt.h')
-rw-r--r-- | include/linux/interrupt.h | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index c7bfac1c4a7b..8834a7e5b944 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -203,7 +203,40 @@ static inline int check_wakeup_irqs(void) { return 0; } extern cpumask_var_t irq_default_affinity; -extern int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask); +/* Internal implementation. Use the helpers below */ +extern int __irq_set_affinity(unsigned int irq, const struct cpumask *cpumask, + bool force); + +/** + * irq_set_affinity - Set the irq affinity of a given irq + * @irq: Interrupt to set affinity + * @mask: cpumask + * + * Fails if cpumask does not contain an online CPU + */ +static inline int +irq_set_affinity(unsigned int irq, const struct cpumask *cpumask) +{ + return __irq_set_affinity(irq, cpumask, false); +} + +/** + * irq_force_affinity - Force the irq affinity of a given irq + * @irq: Interrupt to set affinity + * @mask: cpumask + * + * Same as irq_set_affinity, but without checking the mask against + * online cpus. + * + * Solely for low level cpu hotplug code, where we need to make per + * cpu interrupts affine before the cpu becomes online. + */ +static inline int +irq_force_affinity(unsigned int irq, const struct cpumask *cpumask) +{ + return __irq_set_affinity(irq, cpumask, true); +} + extern int irq_can_set_affinity(unsigned int irq); extern int irq_select_affinity(unsigned int irq); |