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[23.128.96.36]) by mx.google.com with ESMTPS id kh4-20020a170903064400b001b878f9e11csi2498024plb.54.2023.09.14.19.40.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Sep 2023 19:40:00 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.36 as permitted sender) client-ip=23.128.96.36; Authentication-Results: mx.google.com; dkim=pass header.i=@soulik.info header.s=mail header.b=mm6YSLuF; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.36 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=soulik.info Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by pete.vger.email (Postfix) with ESMTP id 1650681C2023; Thu, 14 Sep 2023 10:25:42 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at pete.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240622AbjINRZO (ORCPT + 99 others); Thu, 14 Sep 2023 13:25:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33676 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240328AbjINRZD (ORCPT ); Thu, 14 Sep 2023 13:25:03 -0400 X-Greylist: delayed 76484 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Thu, 14 Sep 2023 10:23:53 PDT Received: from kozue.soulik.info (kozue.soulik.info [IPv6:2001:19f0:7000:8404:5400:ff:fe00:d7d6]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 83199448E; Thu, 14 Sep 2023 10:23:53 -0700 (PDT) Received: from ritsuko.sh.sumomo.pri (unknown [10.0.12.132]) by kozue.soulik.info (Postfix) with ESMTPSA id 7CD123001ED; Fri, 15 Sep 2023 02:23:38 +0900 (JST) DKIM-Filter: OpenDKIM Filter v2.11.0 kozue.soulik.info 7CD123001ED DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=soulik.info; s=mail; t=1694712220; bh=t7fonimBO7gOWRqIwFxcElU/mZYIdNnjXJ9VabFw82w=; h=From:To:Cc:Subject:Date:From; b=mm6YSLuFPho2VgfMlo90AzZRDzxxbF+SXsvKN/SuLbp5+GwUyYQW7aXpKzhGiZbJc wf4ZWb0dk64TTWLx8IBJkgOmkaxjpAmmuHYezxmaiYzc58z5hY0plKdT+SRevfK1gg rWKsljkKIKq/dfsLeP1Q9P6qHa0xh7v5FghNLyuk= From: Randy Li To: linux-usb@vger.kernel.org Cc: Randy Li , stern@rowland.harvard.edu, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, corbet@lwn.net, linux-doc@vger.kernel.org Subject: [PATCH 0/2] USB: DMA: point out recommend APIs Date: Fri, 15 Sep 2023 01:23:22 +0800 Message-ID: <20230914172336.18761-1-ayaka@soulik.info> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (pete.vger.email [0.0.0.0]); Thu, 14 Sep 2023 10:25:42 -0700 (PDT) X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on pete.vger.email Although I submit these patches as the previous reply suggestion, I am stilling wondering the IOMMU with USB controller. I think the most of USB controller didn't need to create entities in IOMMU to support scatterlist. Once the hcd supports that(sg_tablesize > 0), it could support infinite scatter pages? Randy Li (2): USB: dma: remove unused function prototype docs: driver-api: usb: update dma info Documentation/driver-api/usb/dma.rst | 48 +++++++--------------------- include/linux/usb.h | 16 ---------- 2 files changed, 11 insertions(+), 53 deletions(-) -- 2.41.0