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| author | Maxime Ripard <maxime.ripard@free-electrons.com> | 2015-09-25 18:09:32 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-09-29 11:51:40 -0700 |
| commit | a1b7febd725a2cdfc8ac245b7b7437ce4b91aecb (patch) | |
| tree | 8dccf5bc50af2e9223be830f740dc2c986613ce2 /kernel | |
| parent | 8a4683a5e06efda7e1f327213678d4dcafc0d894 (diff) | |
| download | linux-a1b7febd725a2cdfc8ac245b7b7437ce4b91aecb.tar.gz | |
genirq: Fix the documentation of request_percpu_irq
The documentation of request_percpu_irq is confusing and suggest that the interrupt is not enabled at all, while it is actually enabled on the local CPU. Clarify that. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/manage.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index f9a59f6cabd2..a4360f0f62a5 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1790,9 +1790,10 @@ int setup_percpu_irq(unsigned int irq, struct irqaction *act) * @devname: An ascii name for the claiming device * @dev_id: A percpu cookie passed back to the handler function * - * This call allocates interrupt resources, but doesn't - * automatically enable the interrupt. It has to be done on each - * CPU using enable_percpu_irq(). + * This call allocates interrupt resources and enables the + * interrupt on the local CPU. If the interrupt is supposed to be + * enabled on other CPUs, it has to be done on each CPU using + * enable_percpu_irq(). * * Dev_id must be globally unique. It is a per-cpu variable, and * the handler gets called with the interrupted CPU's instance of |