diff options
| author | Rafael J. Wysocki <rjw@sisk.pl> | 2012-03-26 23:27:33 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-02 10:32:10 -0700 |
| commit | 7564963150c0cf52d3d47add3d422f3ade202699 (patch) | |
| tree | 20ee9e5f00c64d513e83bbd7222e30ba87e00249 /drivers | |
| parent | 77bba980b91a26a942d3d0395eab64ce7fdd5cd0 (diff) | |
| download | lwn-7564963150c0cf52d3d47add3d422f3ade202699.tar.gz lwn-7564963150c0cf52d3d47add3d422f3ade202699.zip | |
PM / shmobile: Make MTU2 driver use pm_genpd_dev_always_on()
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 <rjw@sisk.pl>
Tested-by: Simon Horman <horms@verge.net.au>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clocksource/sh_mtu2.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c index db8d5955bad4..a2172f690418 100644 --- 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(struct platform_device *pdev) 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; |