Re: [PATCH] usb: typec: ucsi: Handle incorrect num_connectors capability
From: Greg KH
Date: Fri Aug 22 2025 - 00:51:48 EST
On Thu, Aug 21, 2025 at 02:53:07PM -0400, Mark Pearson wrote:
> The UCSI spec states that the num_connectors field is 7 bits, and the
> 8th bit is reserved and should be set to zero.
> Some buggy FW has been known to set this bit, and it can lead to a
> system not booting.
> Flag that the FW is not behaving correctly, and auto-fix the value
> so that the system boots correctly.
>
> Found on Lenovo P1 G8 during Linux enablement program. The FW will
> be fixed, but seemed worth addressing in case it hit platforms that
> aren't officially Linux supported.
>
> Signed-off-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>
Any hints as to what commit id this fixes?
thanks,
greg k-h