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 384DFC636D6 for ; Thu, 9 Feb 2023 13:03:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229675AbjBINDR (ORCPT ); Thu, 9 Feb 2023 08:03:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229582AbjBINDO (ORCPT ); Thu, 9 Feb 2023 08:03:14 -0500 Received: from mail-io1-xd32.google.com (mail-io1-xd32.google.com [IPv6:2607:f8b0:4864:20::d32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BF2025A9C0 for ; Thu, 9 Feb 2023 05:03:10 -0800 (PST) Received: by mail-io1-xd32.google.com with SMTP id e204so635258iof.1 for ; Thu, 09 Feb 2023 05:03:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=BLhFFCKHm0oII2gyoV1aB9Sk1JL4f2g73gTx0u/oBCg=; b=SsrSgA7W7bB4sFMXfTS+q0CH/gxFqWUiJCqRSd3KHmT3Xa4ioR8qzUJ+TBoG/IfQNi 8WRNpqu1r0iylVt1tQR8sjkU75SX1H2X/ZtPkZGsA4KdrbrEkAR8IJQxfUYEKsFfgynb CSkjD06fekzjYYLvY7I4uj+cVix9r6uFDm4ZmIMpSuCMvMwYJ3Txu9V5QBDggBHhlROt 5Kp0XWqXLQRcE+6OglHnkOOZ00f80cYU57P7iMazOIiruVzUNaGKFodOavcdl4OYeS20 XMfTMCdz3nJj3xivbK4fg1kbVqNVYzhfqTgW37MIZVE6d5tgLIKQtWo3p2mmFljO10c5 7hyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=BLhFFCKHm0oII2gyoV1aB9Sk1JL4f2g73gTx0u/oBCg=; b=qgiPS+GDwDJGQhiJo7p8cdHMWGR2Q+kDfnWm8DUoOAjjfRMIPdERsWu/wFA6V7OssZ Yv0ijjPxXTzn1SwlCMFeyhWN0+hR894p4uTFERhSaXbw60pUVvTDlVBtpccADzpLKKkB kCV2jxBf/oALHnab1lsL/IiFMP6mLIKBQfrokHqwsxe5buUoYn1g2s4axJImd/pjsMwK GDc+MeHGau8Y/lkV39oSQARLToeuvFK3aYkZYnNScddrLXf1LAtYRBt2MMBIH1wTLWhT lzLfL5GBypyN7L2w5Vlx2qCNRNYbFrEdujuQPxUvLJIoFoLanUhIQXvR/u63Qgyb12AM +LVw== X-Gm-Message-State: AO0yUKW3tbcSXN59wWH9jUe9qgU74WH/PCYjSdG+vCk8AMdN6UI+X8MV DFtv6oEsaGeiIigyjhhZr8C44uYhdEH/AfxPieZGBA== X-Google-Smtp-Source: AK7set/JihrZo9EK10tzAFsgIJq8Bjy8Qq/bLGfpFP5vdpqkdr/gvIREuns5dE8LD107MiBMBB1OcM+YYfX6Qz+c08M= X-Received: by 2002:a02:cc64:0:b0:3c2:c93f:e40 with SMTP id j4-20020a02cc64000000b003c2c93f0e40mr3000524jaq.126.1675947789836; Thu, 09 Feb 2023 05:03:09 -0800 (PST) MIME-Version: 1.0 From: Albert Wang Date: Thu, 9 Feb 2023 21:02:58 +0800 Message-ID: Subject: Re: [RFC PATCH v2 05/22] usb: xhci: Add XHCI APIs to support USB offloading To: Wesley Cheng Cc: Thinh.Nguyen@synopsys.com, agross@kernel.org, alsa-devel@alsa-project.org, andersson@kernel.org, bgoswami@quicinc.com, broonie@kernel.org, devicetree@vger.kernel.org, Greg KH , krzysztof.kozlowski+dt@linaro.org, lgirdwood@gmail.com, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mathias.nyman@intel.com, perex@perex.cz, Jack Pham , quic_plai@quicinc.com, robh+dt@kernel.org, srinivas.kandagatla@linaro.org, tiwai@suse.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Wesley, It looks like I can get the transfer ring address by calling xhci_get_xfer_resource, and the xhci_get_ir_resource() is called to get access to the new structure "xhci_interrupter" for the event ring address. From code review, I can say these APIs allow us to get the information we need. Of course, we will integrate this patchset to verify if compatible with our design. Thanks, Albert