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PM / shmobile: Make MTU2 driver use pm_genpd_dev_always_on() 

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>
Cc: stable@vger.kernel.org
hifive-unleashed-5.1
Rafael J. Wysocki 2012-03-13 22:40:14 +01:00
parent 615a445f7f
commit 57d13370cf
1 changed files with 4 additions and 0 deletions
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4
drivers/clocksource/sh_mtu2.c
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@ -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;