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[147.75.80.249]) by mx.google.com with ESMTPS id a640c23a62f3a-a690f6f13a6si64069066b.731.2024.06.02.23.43.22 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 Jun 2024 23:43:22 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-198666-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=uqxOBull; arc=pass (i=1 dkim=pass dkdomain=linuxfoundation.org); spf=pass (google.com: domain of linux-kernel+bounces-198666-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-198666-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 2538D1F2254B for ; Mon, 3 Jun 2024 06:43:22 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 06FA1374FF; Mon, 3 Jun 2024 06:40:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="uqxOBull" Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F3BE92942A; Mon, 3 Jun 2024 06:40:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717396858; cv=none; b=Ss9lrs+dxlvSbhZIJ9m4I1xY4eOX2Vq13I0ZQJBuIu9tAN083Bs//tQkSmG6lBAHpRodkA80HSvRJXi+IELLn5IVRz/qzSN/XSQkTpsEa6PJH02koyn011P9Qs+rMBAKMh+9VCz/MRyE9m+ANvz1nCGH/DjTZoEHzFmNfdPANgE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717396858; c=relaxed/simple; bh=Ixgu9gEpoO7nBwh5VUEu4mUMBJ7nDgpJMH3OkVxAQHw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=bTrWnEMGrVRtUk4HyrcGMQMJ4C27xERLyFn/DHQ32KFmHKh8Eyl2j9/tgk6cjk2XPiHT+kbdzV3BQfKVf3OYNCdFEQe07GTvGhuxKv5jfWZNtEwRE3aOYm1XLiU1ndumpqL4vEzyyk9b/3JsmYSByVFF7kmDPIt9rpdwtV4mDdg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=uqxOBull; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 018E9C2BD10; Mon, 3 Jun 2024 06:40:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1717396857; bh=Ixgu9gEpoO7nBwh5VUEu4mUMBJ7nDgpJMH3OkVxAQHw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uqxOBullKy/kLR6dCqAW2ltEtgOT+3uwMkTkByyPkVepQEB8eTOcEeGSe3Nd3HYP4 0Z4AVORhYT9QuT8uyC38ZIEpE5tDkFbQKeAvIHm4La3jFOtKaBYiR+e7Jx69hojRkd orUls1T+QTJnXk6AeS6nXkJzXI8snIzjyIFbO+R0= Date: Mon, 3 Jun 2024 08:41:05 +0200 From: "gregkh@linuxfoundation.org" To: "Qianbin Zheng (NSB)" Cc: "u.kleine-koenig@pengutronix.de" , "linux-usb@vger.kernel.org" , "linuxppc-dev@lists.ozlabs.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] usb: gadget: fsl: Enable usb snoop on PPC64 Message-ID: <2024060342-neuron-trapeze-4e2d@gregkh> References: <20240531091926.3324847-1-qianbin.zheng@nokia-sbell.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Mon, Jun 03, 2024 at 01:46:50AM +0000, Qianbin Zheng (NSB) wrote: > Turn on usb snooping on PPC64. This says what you are doing, but not _why_ you are doing it? What changed to allow this to now work properly? thanks, greg k-h