From patchwork Thu Sep 14 17:23:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ayaka X-Patchwork-Id: 13385715 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 2CA5C1C2A1 for ; Thu, 14 Sep 2023 17:23:54 +0000 (UTC) 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 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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(-)