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From: Takashi Iwai <tiwai@suse.de>
To: linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
	Nathan Rebello <nathan.c.rebello@gmail.com>,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Spurious errors "ucsi_acpi USBC000:00: bogus connector number in CCI: 1" on 7.0-rc7
Date: Tue, 07 Apr 2026 07:38:50 +0200	[thread overview]
Message-ID: <875x63gwid.wl-tiwai@suse.de> (raw)

Hi,

since 7.0-rc7, I'm getting a few errors
  ucsi_acpi USBC000:00: bogus connector number in CCI: 1
at boot of Thinkpad T14s Gen 6 AMD with a dock.

Obviously this came from the commit d2d8c17ac01a ("usb: typec: ucsi:
validate connector number in ucsi_notify_common()"), and reverting it
made it gone away.  I didn't notice anything practically broken either
before or after the revert, though -- the USB devices connected on the
dock keep working, at least.

Is this a firmware bug, or some missing piece in the code?
Judging from the message, it means that ucsi->cap.num_connectors is 0,
I suppose.


thanks,

Takashi

             reply	other threads:[~2026-04-07  5:38 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-07  5:38 Takashi Iwai [this message]
2026-04-07  5:58 ` Spurious errors "ucsi_acpi USBC000:00: bogus connector number in CCI: 1" on 7.0-rc7 Greg Kroah-Hartman
2026-04-07  6:21   ` Nathan Rebello

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