linux-kernel - [tip:irq/core] genirq: Fix comment describing suspend_device

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Date:	Sun, 5 Jul 2009 11:09:31 GMT
From:	"tip-bot for Rafael J. Wysocki" <rjw@...k.pl>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	tglx@...utronix.de, rjw@...k.pl
Subject: [tip:irq/core] genirq: Fix comment describing suspend_device_irqs()

Commit-ID:  c71320d0c445e01555a86fa6523609db47eeaef6
Gitweb:     http://git.kernel.org/tip/c71320d0c445e01555a86fa6523609db47eeaef6
Author:     Rafael J. Wysocki <rjw@...k.pl>
AuthorDate: Sun, 5 Jul 2009 00:22:34 +0200
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Sun, 5 Jul 2009 13:07:00 +0200

genirq: Fix comment describing suspend_device_irqs()

The kerneldoc comment describing suspend_device_irqs() is currently
misleading, because generally the function doesn't really disable
interrupt lines at the chip level.  Replace it with a more accurate
one.

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
LKML-Reference: <200907050022.35117.rjw@...k.pl>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>


---
 kernel/irq/pm.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c
index 638d8be..a0bb09e 100644
--- a/kernel/irq/pm.c
+++ b/kernel/irq/pm.c
@@ -15,10 +15,10 @@
 /**
  * suspend_device_irqs - disable all currently enabled interrupt lines
  *
- * During system-wide suspend or hibernation device interrupts need to be
- * disabled at the chip level and this function is provided for this purpose.
- * It disables all interrupt lines that are enabled at the moment and sets the
- * IRQ_SUSPENDED flag for them.
+ * During system-wide suspend or hibernation device drivers need to be prevented
+ * from receiving interrupts and this function is provided for this purpose.
+ * It marks all interrupt lines in use, except for the timer ones, as disabled
+ * and sets the IRQ_SUSPENDED flag for each of them.
  */
 void suspend_device_irqs(void)
 {
--
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