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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>
This commit is contained in:
Maxime Ripard 2015-09-25 18:09:32 +02:00 committed by David S. Miller
parent 8a4683a5e0
commit a1b7febd72
1 changed files with 4 additions and 3 deletions
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7
kernel/irq/manage.c
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@ -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