On Fri, 18 Sep 2020 at 18:55, Grygorii Strashko
<grygorii.stras...@ti.com> wrote:
>
> The commit 8234f6734c5d ("PM-runtime: Switch autosuspend over to using
> hrtimers") switched PM runtime autosuspend to use hrtimers and all related
> time accounting in ns, but missed update the struct
> dev_pm_info->timer_expires to u64. This causes timer_expires value to be
> truncated on 32bits architectures when assignment is done from u64 values:
>
> rpm_suspend()
> |- dev->power.timer_expires = expires;
>
> Hence, fix it by changing timer_expires type to u64.
>
> Cc: Vincent Guittot <vincent.guit...@linaro.org>
> Fixes: 8234f6734c5d ("PM-runtime: Switch autosuspend over to using hrtimers")
> Signed-off-by: Grygorii Strashko <grygorii.stras...@ti.com>
Acked-by: Vincent Guittot <vincent.guit...@linaro.org>
> ---
> include/linux/pm.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/pm.h b/include/linux/pm.h
> index a30a4b54df52..47aca6bac1d6 100644
> --- a/include/linux/pm.h
> +++ b/include/linux/pm.h
> @@ -590,7 +590,7 @@ struct dev_pm_info {
> #endif
> #ifdef CONFIG_PM
> struct hrtimer suspend_timer;
> - unsigned long timer_expires;
> + u64 timer_expires;
> struct work_struct work;
> wait_queue_head_t wait_queue;
> struct wake_irq *wakeirq;
> --
> 2.17.1
>
