linux-kernel - Re: [PATCH] usb: typec: ucsi: psy: Set max current to zero when disconnected

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAMFSARdUMJ3WX1L8U-2k1w7kmH8Z4y7=MKKEBjCmyY-94wiBig@mail.gmail.com>
Date: Fri, 17 Oct 2025 13:48:21 -0700
From: Jameson Thies <jthies@...gle.com>
To: Kenneth Crudup <kenny@...ix.com>
Cc: heikki.krogerus@...ux.intel.com, linux-usb@...r.kernel.org, 
	linux-kernel@...r.kernel.org, dmitry.baryshkov@....qualcomm.com, 
	bleung@...omium.org, gregkh@...uxfoundation.org, akuchynski@...omium.org, 
	abhishekpandit@...omium.org, sebastian.reichel@...labora.com, 
	linux-pm@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] usb: typec: ucsi: psy: Set max current to zero when disconnected

> Rule: add the tag "Cc: stable@...r.kernel.org" in the sign-off area to have the patch automatically included in the stable tree.
> Subject: [PATCH] usb: typec: ucsi: psy: Set max current to zero when disconnected
> Link: https://lore.kernel.org/stable/20251017000051.2094101-1-jthies%40google.com

My mistake, I'll send up a v2 adding the appropriate CCs.

> I wonder if this is the reason my (Kubuntu 25.04, FWIW) system will
> sometimes show the battery icon as "Charging" even when it's discharging
> (or nothing is plugged into either USB-C port)?

The update to set max current to 0.1A for BC and default USB operation
landed only a couple months ago. If the battery icon issue is a recent
regression, it's definitely possible.