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Date: Tue, 19 May 2026 11:29:41 +0200
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Myrrh Periwinkle <myrrhperiwinkle@qtmlabs.xyz>,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	stable@kernel.org, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [stable 6.6.y] commit e613904fa419 causes suspend regression
Message-ID: <2026051926-bunt-manifesto-6b92@gregkh>
References: <agvqqMt9x0df-WXS@google.com>
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In-Reply-To: <agvqqMt9x0df-WXS@google.com>

On Tue, May 19, 2026 at 01:51:22PM +0900, Sergey Senozhatsky wrote:
> 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.
> 

Ok, and what should we do?  Is this issue also in 7.0.y?

thanks,

greg k-h