On Wednesday 17 March 2010, Sebastian Ott wrote: > hi, > > on s390 certain hw features which we normally enable in our init > calls, get reset while restoring the hibernation image. > so we need a trigger to reenable them before the device callbacks > are called. > > is it possible to add an additional event for the existing > pm_notifier (something like the attached patch)? > > regards > sebastian > > > Signed-off-by: Sebastian Ott <sebott@xxxxxxxxxxxxxxxxxx> > --- > include/linux/notifier.h | 1 + > kernel/power/hibernate.c | 2 ++ > 2 files changed, 3 insertions(+) > > Index: linux-2.6/include/linux/notifier.h > =================================================================== > --- linux-2.6.orig/include/linux/notifier.h > +++ linux-2.6/include/linux/notifier.h > @@ -250,6 +250,8 @@ static inline int notifier_to_errno(int > #define PM_POST_SUSPEND 0x0004 /* Suspend finished */ > #define PM_RESTORE_PREPARE 0x0005 /* Going to restore a saved image */ > #define PM_POST_RESTORE 0x0006 /* Restore failed */ > +#define PM_RESTORE_FINISHED 0x0007 /* Image restored, called prior to > + device callbacks */ > > /* Console keyboard events. > * Note: KBD_KEYCODE is always sent before KBD_UNBOUND_KEYCODE, KBD_UNICODE and > Index: linux-2.6/kernel/power/hibernate.c > =================================================================== > --- linux-2.6.orig/kernel/power/hibernate.c > +++ linux-2.6/kernel/power/hibernate.c > @@ -290,6 +290,8 @@ static int create_image(int platform_mod > if (!in_suspend) > platform_leave(platform_mode); > > + pm_notifier_call_chain(PM_RESTORE_FINISHED); Hmm. Why can't you put that in platform_leave()? > + > Power_up: > sysdev_resume(); > /* NOTE: dpm_resume_noirq() is just a resume() for devices Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
