linux-kernel - Re: [PATCH] usb: core: Add "quirks" parameter for usbcore

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Date:   Wed, 06 Dec 2017 11:28:04 +0100
From:   Oliver Neukum <oneukum@...e.com>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>,
        gregkh@...uxfoundation.org
Cc:     corbet@....net, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH] usb: core: Add "quirks" parameter for usbcore

Am Mittwoch, den 06.12.2017, 17:09 +0800 schrieb Kai-Heng Feng:
> Now users can use "usbcore.quirks=" as short term workaround before the
> next kernel release.
> 
> This is inspired by usbhid and usb-storage.

Hi,

if you include this for debugging purposes, it would be interesting
to be able to not only switch on a quirk from the command line, but
to also switch it off. So it might be better to detect the dynamic
quirks after the static quirks and use XOR.

	Regards
		Oliver