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    Subject[PATCH 6/6] PM / shmobile: Make MTU2 driver use pm_genpd_dev_always_on()
    Date
    From: Rafael J. Wysocki <rjw@sisk.pl>

    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>
    ---
    drivers/clocksource/sh_mtu2.c | 4 ++++
    1 file changed, 4 insertions(+)

    Index: linux/drivers/clocksource/sh_mtu2.c
    ===================================================================
    --- linux.orig/drivers/clocksource/sh_mtu2.c
    +++ linux/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;


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