rjw at sisk
Jul 5, 2009, 4:09 AM
Post #1 of 1
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[tip:irq/core] genirq: Fix comment describing suspend_device_irqs()
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Commit-ID: c71320d0c445e01555a86fa6523609db47eeaef6
Gitweb: http://git.kernel.org/tip/c71320d0c445e01555a86fa6523609db47eeaef6
Author: Rafael J. Wysocki <rjw[at]sisk.pl>
AuthorDate: Sun, 5 Jul 2009 00:22:34 +0200
Committer: Thomas Gleixner <tglx[at]linutronix.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[at]sisk.pl>
LKML-Reference: <200907050022.35117.rjw[at]sisk.pl>
Signed-off-by: Thomas Gleixner <tglx[at]linutronix.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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