This is a note to let you know that I've just added the patch titled PM: domains: Fix handling of unavailable/disabled idle states to the 6.0-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: pm-domains-fix-handling-of-unavailable-disabled-idle.patch and it can be found in the queue-6.0 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 325bf5a4b04d663e17b34a66852395bc93cb49f7 Author: Sudeep Holla <sudeep.holla@xxxxxxx> Date: Tue Oct 25 13:34:32 2022 +0100 PM: domains: Fix handling of unavailable/disabled idle states [ Upstream commit e0c57a5c70c13317238cb19a7ded0eab4a5f7de5 ] Platforms can provide the information about the availability of each idle states via status flag. Platforms may have to disable one or more idle states for various reasons like broken firmware or other unmet dependencies. Fix handling of such unavailable/disabled idle states by ignoring them while parsing the states. Fixes: a3381e3a65cb ("PM / domains: Fix up domain-idle-states OF parsing") Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx> Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 55a10e6d4e2a..b7bb9df386de 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -2950,6 +2950,10 @@ static int genpd_iterate_idle_states(struct device_node *dn, np = it.node; if (!of_match_node(idle_state_match, np)) continue; + + if (!of_device_is_available(np)) + continue; + if (states) { ret = genpd_parse_state(&states[i], np); if (ret) {