This is a note to let you know that I've just added the patch titled
PM / shmobile: Make MTU2 driver use pm_genpd_dev_always_on()
to the 3.3-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
pm-shmobile-make-mtu2-driver-use-pm_genpd_dev_always_on.patch
and it can be found in the queue-3.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From [email protected] Mon Mar 26 15:03:17 2012
From: "Rafael J. Wysocki" <[email protected]>
Date: Mon, 26 Mar 2012 23:27:33 +0200
Subject: PM / shmobile: Make MTU2 driver use pm_genpd_dev_always_on()
To: Greg KH <[email protected]>
Cc: [email protected], [email protected], [email protected],
[email protected]
Message-ID: <[email protected]>
From: Rafael J. Wysocki <[email protected]>
Commit 57d13370cfaf6017c68981e66ff5b3bf20a2705c upstream.
Make the MTU2 clocksource driver mark its device as "always on"
using pm_genpd_dev_always_on() to protect it from surprise power
removals.
Signed-off-by: Rafael J. Wysocki <[email protected]>
Tested-by: Simon Horman <[email protected]>
Acked-by: Paul Mundt <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/clocksource/sh_mtu2.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -31,6 +31,7 @@
#include <linux/sh_timer.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/pm_domain.h>
struct sh_mtu2_priv {
void __iomem *mapbase;
@@ -306,6 +307,9 @@ static int __devinit sh_mtu2_probe(struc
struct sh_mtu2_priv *p = platform_get_drvdata(pdev);
int ret;
+ if (!is_early_platform_device(pdev))
+ pm_genpd_dev_always_on(&pdev->dev, true);
+
if (p) {
dev_info(&pdev->dev, "kept as earlytimer\n");
return 0;
Patches currently in stable-queue which might be from [email protected] are
queue-3.3/pm-shmobile-make-mtu2-driver-use-pm_genpd_dev_always_on.patch
queue-3.3/pm-domains-fix-handling-of-wakeup-devices-during-system-resume.patch
queue-3.3/pm-shmobile-make-cmt-driver-use-pm_genpd_dev_always_on.patch
queue-3.3/pm-domains-fix-hibernation-restore-of-devices-v2.patch
queue-3.3/pm-domains-introduce-always-on-device-flag.patch
queue-3.3/pm-domains-check-domain-status-during-hibernation-restore-of-devices.patch
queue-3.3/pm-shmobile-make-tmu-driver-use-pm_genpd_dev_always_on.patch
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