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From: Greg KH <gregkh@linuxfoundation.org>
To: Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: linux-usb@vger.kernel.org, stern@rowland.harvard.edu,
	Paul Menzel <pmenzel@molgen.mpg.de>,
	stable@vger.kernel.org
Subject: Re: [PATCH 2/2] usb: port: Don't try to peer unused USB ports based on location
Date: Thu, 22 Feb 2024 15:06:36 +0100	[thread overview]
Message-ID: <2024022220-untried-routine-15e5@gregkh> (raw)
In-Reply-To: <20240222133819.4149388-2-mathias.nyman@linux.intel.com>

On Thu, Feb 22, 2024 at 03:38:19PM +0200, Mathias Nyman wrote:
> Unused USB ports may have bogus location data in ACPI PLD tables.
> This causes port peering failures as these unused USB2 and USB3 ports
> location may match.
> 
> This is seen on DELL systems where all unused ports return zeroed
> location data.
> 
> Don't try to peer or match ports that have connect type set to
> USB_PORT_NOT_USED.
> 
> Tested-by: Paul Menzel <pmenzel@molgen.mpg.de>
> Cc: stable@vger.kernel.org
> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>

What commit does this fix?  "all" of them?

thanks,

greg k-h

  reply	other threads:[~2024-02-22 14:06 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-22 13:38 [PATCH 1/2] usb: usb-acpi: Set port connect type of not connectable ports correctly Mathias Nyman
2024-02-22 13:38 ` [PATCH 2/2] usb: port: Don't try to peer unused USB ports based on location Mathias Nyman
2024-02-22 14:06   ` Greg KH [this message]
2024-02-22 15:03     ` Mathias Nyman
2024-02-22 15:51   ` Paul Menzel
2024-02-22 14:06 ` [PATCH 1/2] usb: usb-acpi: Set port connect type of not connectable ports correctly Greg KH
2024-02-22 14:46   ` Mathias Nyman
2024-02-22 15:50     ` Greg KH
2024-02-22 16:25       ` Mathias Nyman
2024-02-22 22:43         ` Mathias Nyman

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