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[2620:137:e000::1:20]) by mx.google.com with ESMTP id g7-20020a63b147000000b003816043ef69si413425pgp.350.2022.03.24.13.48.39; Thu, 24 Mar 2022 13:48:52 -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=@lunn.ch header.s=20171124 header.b=t3D3jpdV; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234790AbiCVMTs (ORCPT + 99 others); Tue, 22 Mar 2022 08:19:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45818 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234771AbiCVMTo (ORCPT ); Tue, 22 Mar 2022 08:19:44 -0400 Received: from vps0.lunn.ch (vps0.lunn.ch [185.16.172.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1731565DA; Tue, 22 Mar 2022 05:18:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=WJmfDag7+TqMzK9Ot3/KBQ12CVBH/OW+HOoM2Whva/E=; b=t3D3jpdVqfWhqEMqg8GrnrY/oD rrCx3Tu16rNIfRsSn7HBKIvpwkMGoKgESlRZ3/uXppj2ap2hi07KAlzwO+f0rCXDebC1ZAiEOgOC6 BGG5aPJ+iSzgT704cSqWW3lSZgfBCB/QoL6SU2YD+rf+b/kiT2diS+nDEMd3dijUeR3A=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1nWdSL-00C7SU-U1; Tue, 22 Mar 2022 13:17:45 +0100 Date: Tue, 22 Mar 2022 13:17:45 +0100 From: Andrew Lunn To: Dylan Hung Cc: "robh+dt@kernel.org" , "joel@jms.id.au" , "andrew@aj.id.au" , "hkallweit1@gmail.com" , "linux@armlinux.org.uk" , "davem@davemloft.net" , "kuba@kernel.org" , "pabeni@redhat.com" , "p.zabel@pengutronix.de" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-aspeed@lists.ozlabs.org" , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" , BMC-SW Subject: Re: [PATCH 0/2] Add reset deassertion for Aspeed MDIO Message-ID: References: <20220321070131.23363-1-dylan_hung@aspeedtech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,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 > Do I still need to add a reset assertion/deassertion if the hardware > asserts the reset by default? One use case would be kexec when one kernel is used to boot another kernel. But since this is shared by multiple busses, it is probably not worth the complexity unless that is something you expect you customers to do, e.g. during kernel development work. Andrew