[stable 6.6.y] commit e613904fa419 causes suspend regression

From: Sergey Senozhatsky

Date: Tue May 19 2026 - 00:51:42 EST


Hi,

We've identified 6.6.y stable commit e613904fa419 (usb: typec: ucsi:
Update power_supply on power role change) (commit 7616f006db07017 upstream)
as a root-cause of suspend failures on some of our laptops. It seems
that ucsi_port_psy_changed() causes:

[ 309.858915] PM: last active wakeup source: ucsi-source-psy-cros_ec_ucsi.3.auto2
[ 309.858917] PM: PM: Last active Wakeup Source: ucsi-source-psy-cros_ec_ucsi.3.auto2

which prevent laptop from entering suspend. Reverting the commit in
question fixes the issue.