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Date:   Tue, 30 Aug 2022 14:44:15 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Ray Chi <raychi@google.com>
Cc:     mathias.nyman@linux.intel.com, stern@rowland.harvard.edu,
        linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
        albertccwang@google.com, badhri@google.com, pumahsu@google.com
Subject: Re: [PATCH] usb: core: stop USB enumeration if too many retries
Message-ID: <Yw4GH4U5ULV3VFSY@kroah.com>
References: <20220826075839.292615-1-raychi@google.com>
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On Fri, Aug 26, 2022 at 03:58:39PM +0800, Ray Chi wrote:
> If a broken accessory connected to a USB host, usbcore might
> keep doing enumeration retries and it will take a long time to
> cause system unstable.
> 
> This patch provides a quirk to specific USB ports of the hub to
> stop USB enumeration if needed.

Where does it ever allow the port to handle new devices in the future if
the device is removed and then a new one is added back?  Or is the port
just now dead for forever?

thanks,

greg k-h