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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70D3BC433F5 for ; Thu, 3 Feb 2022 09:32:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349719AbiBCJcS (ORCPT ); Thu, 3 Feb 2022 04:32:18 -0500 Received: from mga06.intel.com ([134.134.136.31]:28901 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238557AbiBCJcR (ORCPT ); Thu, 3 Feb 2022 04:32:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643880737; x=1675416737; h=to:cc:references:from:subject:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=E5oKH9pNYnnZ4bfD+pbTHXt1O8eiHw5reOksh1C2xaY=; b=is0xug6LQ/gmhwFpODmdBV/T3/RkDz/xXD1rwFcCjXhd5/WdP3JM3oh0 h6d1+rDS4KNFTzMLg1br0ycENcoCKTc3D195wbKGBUNkDo8E//VI8pUns h5F2Z4LrBy6JNCAbcpW0lXKTxETntFNYjI5RJVOmWdWhlgZfRvaFfwV4Y iIU4ZagLNM9rNeaDJFDc2yusdACAsHGVPkAgWOfUt2pR++mgc+uv7cPor Z1WFE8hsxl2VkO3ZUNmVDrwFu1X5bey+TWVzgDj5RNywzDO2w8Tw0KzLj T9bsfV6Odr+K1ihMinEYckE5hQ5/RMa0yMUeCG4VKwIQk9frJ0DUfrNXK g==; X-IronPort-AV: E=McAfee;i="6200,9189,10246"; a="308835891" X-IronPort-AV: E=Sophos;i="5.88,339,1635231600"; d="scan'208";a="308835891" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Feb 2022 01:32:17 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,339,1635231600"; d="scan'208";a="566348944" Received: from mattu-haswell.fi.intel.com (HELO [10.237.72.199]) ([10.237.72.199]) by orsmga001.jf.intel.com with ESMTP; 03 Feb 2022 01:32:14 -0800 To: Daehwan Jung , Mathias Nyman , Greg Kroah-Hartman Cc: "open list:USB XHCI DRIVER" , open list , Howard Yen , Jack Pham , Puma Hsu , "J . Avila" References: <1643857054-112415-1-git-send-email-dh10.jung@samsung.com> From: Mathias Nyman Subject: Re: [PATCH 0/3] support USB offload feature Message-ID: <27337aa9-2bfd-18d5-cded-7f8ae0f053d9@linux.intel.com> Date: Thu, 3 Feb 2022 11:33:47 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <1643857054-112415-1-git-send-email-dh10.jung@samsung.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3.2.2022 4.57, Daehwan Jung wrote: > This patchset is for USB offload feature, which makes Co-processor to use > some memories of xhci. Especially it's useful for USB Audio scenario. > Audio stream would get shortcut because Co-processor directly write/read > data in xhci memories. It could get speed-up using faster memory like SRAM. > That's why this also gives vendors flexibilty of memory management. > Below pathches have been merged in AOSP kernel(android12-5.10) and I put > together and split into 3 patches. Can you share the full USB offload support series? I'd like to see the big picture before taking any exporting and override patches. Thanks -Mathias