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 08FC6ECAAD5 for ; Mon, 29 Aug 2022 09:22:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229532AbiH2JWh (ORCPT ); Mon, 29 Aug 2022 05:22:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229457AbiH2JWe (ORCPT ); Mon, 29 Aug 2022 05:22:34 -0400 Received: from mail.3ffe.de (0001.3ffe.de [159.69.201.130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5CD115A806; Mon, 29 Aug 2022 02:22:33 -0700 (PDT) Received: from 3ffe.de (0001.3ffe.de [IPv6:2a01:4f8:c0c:9d57::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.3ffe.de (Postfix) with ESMTPSA id 30DEF38F; Mon, 29 Aug 2022 11:22:31 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2022082101; t=1661764951; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=OUc1LWdpbz87/rNtBwzA999uipsSxmoZtcNrouUeHHE=; b=VXlqjc+QqsODaMUjfx6UczpKtVyzDsKuFWOsE/xhziHxDKsN9y0pb6hWS1PuiFLeWiUhNB GCrNztMmGP/YkZ6aaoW4Pki5uDc1mlc4DGRWi1hUeCgZzlBI3zXLBfVVtKxDMzfaBnkmda /z8wJPQEkrwMwAkVjTD6UAHUIzGKWojx+MbkHwKmk7eO4EttsvqywM8gz2GjTaRcuuLXZQ +wSYq5YX2UbZaYKCofGSYeYVWC93PpSiIeUscJFMHuH/XiwzLHdnejxyxvF+8R454nrQM9 Bs8GxzeJPIg8JSOfFM4g+Ya+YxBgQf+PLqNm08o7VE0MevpZxrKuyAZDxISPnQ== MIME-Version: 1.0 Date: Mon, 29 Aug 2022 11:22:30 +0200 From: Michael Walle To: Steen Hegelund Cc: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Lars Povlsen , Horatiu Vultur , Philipp Zabel , UNGLinuxDriver@microchip.com, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] reset: microchip-sparx5: issue a reset on startup In-Reply-To: <578bdccee9a92dd74bb6a1b87fb5011bf7279e57.camel@microchip.com> References: <20220826115607.1148489-1-michael@walle.cc> <20220826115607.1148489-2-michael@walle.cc> <578bdccee9a92dd74bb6a1b87fb5011bf7279e57.camel@microchip.com> User-Agent: Roundcube Webmail/1.4.13 Message-ID: <392c923d59b581fdc9c8f8a13a2ae258@walle.cc> X-Sender: michael@walle.cc Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Steen, Am 2022-08-29 11:14, schrieb Steen Hegelund: > On Fri, 2022-08-26 at 13:56 +0200, Michael Walle wrote: >> EXTERNAL EMAIL: Do not click links or open attachments unless you know >> the content is safe >> >> 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 .. > Tested-by: Steen Hegelund on Sparx5 Thanks for testing! -michael