linux-kernel - Re: [PATCH 1/2] USB:ehci:Add a whitelist for EHCI controllers

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Message-ID: <a14fcaffd6e26081c07bcfa36a81ded38dcf88b2.camel@suse.com>
Date:   Thu, 08 Apr 2021 11:33:30 +0200
From:   Oliver Neukum <oneukum@...e.com>
To:     Longfang Liu <liulongfang@...wei.com>, gregkh@...uxfoundation.org,
        mathias.nyman@...el.com, stern@...land.harvard.edu,
        liudongdong3@...wei.com
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        kong.kongxinwei@...ilicon.com, yisen.zhuang@...wei.com
Subject: Re: [PATCH 1/2] USB:ehci:Add a whitelist for EHCI controllers

Am Donnerstag, den 08.04.2021, 17:11 +0800 schrieb Longfang Liu:
> Some types of EHCI controllers do not have SBRN registers.
> By comparing the white list, the operation of reading the SBRN
> registers is skipped.
> 
> Subsequent EHCI controller types without SBRN registers can be
> directly added to the white list.

Hi,

shouldn't this set a flag for a missing functionality?

	Regards
		Oliver