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

Gregory CLEMENT
2015-09-25T16:09:32Z

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 --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
--
2.1.0