From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10E29C433ED for ; Thu, 8 Apr 2021 09:33:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B07F661155 for ; Thu, 8 Apr 2021 09:33:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231174AbhDHJd6 (ORCPT ); Thu, 8 Apr 2021 05:33:58 -0400 Received: from mx2.suse.de ([195.135.220.15]:39344 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229686AbhDHJdy (ORCPT ); Thu, 8 Apr 2021 05:33:54 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1617874422; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Jeg9xG562CxRJLeyVpY5toJr618E3J/dpt9KJqMeLQM=; b=eNAKt+L0eB+a+u6zrn5M68e7Dv5RRCkSfD1wsWtWfyx1+RAr0UEK7zw0G47kZm5ZSYW9rX xJj9RXhXKkMy/Rtos3NeFT+KE1SnGe0G/u4wo9MbZIU1MtUBKZ9hR+YgMJAkrTzE28L/Ed jMbXEUzPjglBR441NnH2M1Sa93BaxPE= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 100BCB00E; Thu, 8 Apr 2021 09:33:42 +0000 (UTC) Message-ID: Subject: Re: [PATCH 1/2] USB:ehci:Add a whitelist for EHCI controllers From: Oliver Neukum To: Longfang Liu , 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 In-Reply-To: <1617873073-37371-2-git-send-email-liulongfang@huawei.com> References: <1617873073-37371-1-git-send-email-liulongfang@huawei.com> <1617873073-37371-2-git-send-email-liulongfang@huawei.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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