diff mbox

[v2,1/7] genirq: Fix the documentation of request_percpu_irq

Message ID 1443197378-30717-2-git-send-email-gregory.clement@free-electrons.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Gregory CLEMENT Sept. 25, 2015, 4:09 p.m. UTC 
From: Maxime Ripard <maxime.ripard@free-electrons.com>

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>
---
 kernel/irq/manage.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index ad1b064f94fe..dc8a80ecfc4a 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