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>

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