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[2620:137:e000::1:20]) by mx.google.com with ESMTP id m6-20020a17090a920600b001f524e93cfasi11277014pjo.184.2022.08.30.10.03.10; Tue, 30 Aug 2022 10:03:22 -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; 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 S229950AbiH3Qrk convert rfc822-to-8bit (ORCPT + 99 others); Tue, 30 Aug 2022 12:47:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230147AbiH3Qrh (ORCPT ); Tue, 30 Aug 2022 12:47:37 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ACA94B2CF2 for ; Tue, 30 Aug 2022 09:47:34 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oT4OE-0002uf-Oo; Tue, 30 Aug 2022 18:47:02 +0200 Received: from [2a0a:edc0:0:900:1d::4e] (helo=lupine) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1oT4OC-002uB6-DY; Tue, 30 Aug 2022 18:47:00 +0200 Received: from pza by lupine with local (Exim 4.94.2) (envelope-from ) id 1oT4OB-000CLM-OY; Tue, 30 Aug 2022 18:46:59 +0200 Message-ID: <764e978ac77d63c6bb9e4338b633123a03cfda53.camel@pengutronix.de> Subject: Re: [PATCH 1/3] reset: microchip-sparx5: issue a reset on startup From: Philipp Zabel To: Michael Walle , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Lars Povlsen , Steen Hegelund , Horatiu Vultur Cc: UNGLinuxDriver@microchip.com, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Date: Tue, 30 Aug 2022 18:46:59 +0200 In-Reply-To: <20220826115607.1148489-2-michael@walle.cc> References: <20220826115607.1148489-1-michael@walle.cc> <20220826115607.1148489-2-michael@walle.cc> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT User-Agent: Evolution 3.38.3-1 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable 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 Fr, 2022-08-26 at 13:56 +0200, Michael Walle wrote: > Originally this was used in by the switch core driver to issue a reset. > But it turns out, this isn't just a switch core reset but instead it > will reset almost the complete SoC. > > Instead of adding almost all devices of the SoC a shared reset line, > issue the reset once early on startup. Keep the reset controller for > backwards compatibility, but make the actual reset a noop. > > Suggested-by: Philipp Zabel > Signed-off-by: Michael Walle I've applied this patch to the reset/fixes branch. regards Philipp