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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k5-20020a170902760500b0015495894d28si1502359pll.412.2022.04.20.01.53.28; Wed, 20 Apr 2022 01:53:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=WK68PO31; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345906AbiDRP7L (ORCPT + 99 others); Mon, 18 Apr 2022 11:59:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52602 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346085AbiDRP64 (ORCPT ); Mon, 18 Apr 2022 11:58:56 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 13A37B65; Mon, 18 Apr 2022 08:53:18 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id C2054B80FF2; Mon, 18 Apr 2022 15:53:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C21CBC385A7; Mon, 18 Apr 2022 15:53:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1650297195; bh=aYZg1IKIfMQLIL0wtoZyeEOyQnwvMvDnvwNzngzlnjk=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=WK68PO31YI8JAiYMovjg5uNw+os/75YZuU34TXqHwolxI1p74aZtz/bzsBeJS2o6U XDCctIZIIFQVilDavTUVHZhHWR2Jt1fHHFWCVOe9rbFvIcc8ciz81dubr4LrAZFhcs SMmcS5Wy/5EdOC0yQxaulXswLkjR+E8aaLGtAMAdcyivBNRa82nQFc4vIJExw+623B h7vEevp/8sv3hSOxVo0tj8mZXwgaTvgZZXZGbBZAxOvnL36BJrqIfgQ2QdrSyw6wm+ iGNO7pxMJ59IoujLcls/JavFPbWQgzTXlFp9O+q+v1H1DHwIPfHzX2vDJ6s8kJeCB8 VWvXOc4T0am/Q== Date: Mon, 18 Apr 2022 10:53:13 -0500 From: Bjorn Helgaas To: Frank Wunderlich , Rob Herring Cc: Frank Wunderlich , linux-rockchip@lists.infradead.org, Kishon Vijay Abraham I , Vinod Koul , Krzysztof Kozlowski , Heiko Stuebner , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Bjorn Helgaas , Philipp Zabel , Johan Jonker , Peter Geis , Michael Riesch , linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: Re: [RFC/RFT 4/6] PCI: rockchip-dwc: add pcie bifurcation Message-ID: <20220418155313.GA1101563@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Apr 17, 2022 at 11:08:02AM +0200, Frank Wunderlich wrote: > > On Sat, Apr 16, 2022 at 03:54:56PM +0200, Frank Wunderlich wrote: > > > From: Frank Wunderlich > > > > > > PCIe Lanes can be split to 2 slots with bifurcation. > > > Add support for this in existing pcie driver. > > Is the "rockchip,bifurcation" DT property something that should be > > generalized so it's not rockchip-specific? Other controllers are > > likely to support similar functionality. > > I do not know if other controllers support similar functionality, > but i ack a property without vendor prefix is better. Should i use > "bifurcation" as name or do you think about a different name which > is more generic? Really a question for Rob about what name would be good and where it should go.