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 77245C41513 for ; Tue, 25 Jul 2023 02:58:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231375AbjGYC6F (ORCPT ); Mon, 24 Jul 2023 22:58:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230041AbjGYC6E (ORCPT ); Mon, 24 Jul 2023 22:58:04 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5783F1; Mon, 24 Jul 2023 19:58:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Sender:Reply-To:Content-ID:Content-Description; bh=bscdJezkW977NS2usn50EadsF7pWATnyCd2yjIB1NM8=; b=Yx7q9pjEcU59tWFBgVNSVbmLcC vmofQzSyukuhzwubEhtOsjx1o/DHwC3Pqyjxhb09Cihbp3ZZoHTUNmKdNN09JXaICzFzKdWMebzBc Ly6Pk9CLE+KafGmp7jaynS5DogDTWlT5MdkRiAsobLFvqfQV7NhZqS3xRU1U0DRGraI2I5sNQekPI 4QJMzIWwIVumJGvpnnF86FB9LGaNFS09ejqvs2wM7gwE8PbZbX8tmb4LO2kMj182K2QSlM62DDfr6 OAwKq3RTC9DFkmCs4xns6olYo2Sx1dBWceGDHTzmo7TvH60PpK4DiRlzOHXl/EsKQ+1fmg5K9v/uX RbBkvowQ==; Received: from [2601:1c2:980:9ec0::2764] by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1qO8FH-005yWd-11; Tue, 25 Jul 2023 02:57:55 +0000 Message-ID: Date: Mon, 24 Jul 2023 19:57:54 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH v4 03/32] xhci: sideband: add initial api to register a sideband entity Content-Language: en-US To: Wesley Cheng , agross@kernel.org, andersson@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, catalin.marinas@arm.com, will@kernel.org, mathias.nyman@intel.com, gregkh@linuxfoundation.org, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, bgoswami@quicinc.com, Thinh.Nguyen@synopsys.com Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org, alsa-devel@alsa-project.org, quic_jackp@quicinc.com, pierre-louis.bossart@linux.intel.com, oneukum@suse.com, albertccwang@google.com, o-takashi@sakamocchi.jp, Mathias Nyman References: <20230725023416.11205-1-quic_wcheng@quicinc.com> <20230725023416.11205-4-quic_wcheng@quicinc.com> From: Randy Dunlap In-Reply-To: <20230725023416.11205-4-quic_wcheng@quicinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 7/24/23 19:33, Wesley Cheng wrote: > diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig > index c170672f847e..d9dc92bea525 100644 > --- a/drivers/usb/host/Kconfig > +++ b/drivers/usb/host/Kconfig > @@ -104,6 +104,15 @@ config USB_XHCI_RZV2M > Say 'Y' to enable the support for the xHCI host controller > found in Renesas RZ/V2M SoC. > > +config USB_XHCI_SIDEBAND > + bool "xHCI support for sideband" > + help > + Say 'Y' to enable the support for the xHCI sideband capability. > + provide a mechanism for a sideband datapath for payload associated Provide > + with audio class endpoints. This allows for an audio DSP to use > + xHCI USB endpoints directly, allowing CPU to sleep while playing > + audio audio. -- ~Randy