Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH v3] PM / sleep: prohibit devices probing during suspend/hibernation | Date | Wed, 02 Dec 2015 03:15:38 +0100 |
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On Tuesday, November 10, 2015 11:42:34 AM Grygorii Strashko wrote: > It is unsafe [1] if probing of devices will happen during suspend or > hibernation and system behavior will be unpredictable in this case. > So, let's prohibit device's probing in dpm_prepare() and defer their > probing instead. The normal behavior will be restored in > dpm_complete(). > > This patch introduces new DD core APIs: > device_block_probing() > It will disable probing of devices and defer their probes instead. > device_unblock_probing() > It will restore normal behavior and trigger re-probing of deferred > devices. > > [1] https://lkml.org/lkml/2015/9/11/554 > Cc: Alan Stern <stern@rowland.harvard.edu> > Cc: Rafael J. Wysocki <rjw@rjwysocki.net> > Cc: Thierry Reding <thierry.reding@gmail.com> > Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Patch queued up for v4.5, thanks!
Rafael
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