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Subject: Re: [PATCH 1/2] USB:ehci:Add a whitelist for EHCI controllers
From:   Oliver Neukum <oneukum@suse.com>
To:     Longfang Liu <liulongfang@huawei.com>, gregkh@linuxfoundation.org,
        mathias.nyman@intel.com, stern@rowland.harvard.edu,
        liudongdong3@huawei.com
Cc:     linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
        kong.kongxinwei@hisilicon.com, yisen.zhuang@huawei.com
Date:   Thu, 08 Apr 2021 11:33:30 +0200
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         <1617873073-37371-2-git-send-email-liulongfang@huawei.com>
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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