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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C13BC433F5 for ; Mon, 4 Oct 2021 17:27:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0300D61425 for ; Mon, 4 Oct 2021 17:27:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234426AbhJDR3V (ORCPT ); Mon, 4 Oct 2021 13:29:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:55828 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234027AbhJDR3U (ORCPT ); Mon, 4 Oct 2021 13:29:20 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1106F61407; Mon, 4 Oct 2021 17:27:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1633368451; bh=dJcTojdyTEwddc1tq3Mz5/yx6tuByGJte5YbwxOJ/qE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=u38j+M9Z0NMyTSe/vkk5YR+NuuIOq2/cDqp7pa+47ihZpEHk9bQKf//Sk0b9TSFkh wX7bFjVWFsYAn0tokHPxZ9WnMys59Pqs4izW0l33ueQ6pQMtM58hRBIM8MTQ0fYoIH xnQ6aujAjtcPVvHFwHpa+7Y6fh0UEXx/1uMnvW39K+l8ZHpAcwWmtdBQWVdTI0SSw6 H2fZcWOL99uBzPdjt/ZnHr7/UEY62dwPXxDYMBGVj5ZBs7XMdH+oq/SRK2zn+1v2+q s5gQc22UyPe+WkL653WAONpaABIGREEMv+sa7dFHBu5Z8/J886UvUXODvVcLQsPxsA SnfuuWLD20P9g== Date: Mon, 4 Oct 2021 18:27:29 +0100 From: Mark Brown To: Jason Gunthorpe Cc: Florian Fainelli , Lino Sanfilippo , rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, nsaenz@kernel.org, linux-spi@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, p.rosenberger@kunbus.com, linux-integrity@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] spi: bcm2835: do not unregister controller in shutdown handler Message-ID: References: <2c4d7115-7a02-f79e-c91b-3c2dd54051b2@gmx.de> <20211004131756.GW3544071@ziepe.ca> <20211004154436.GY3544071@ziepe.ca> <20211004165127.GZ3544071@ziepe.ca> <20211004171301.GA3544071@ziepe.ca> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="OBXRwq2dYySOzdLn" Content-Disposition: inline In-Reply-To: <20211004171301.GA3544071@ziepe.ca> X-Cookie: If it heals good, say it. Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org --OBXRwq2dYySOzdLn Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Oct 04, 2021 at 02:13:01PM -0300, Jason Gunthorpe wrote: > I'm kind of surprised a scheme like this didn't involve a FW call > after Linux is done with the CPUs to quiet all the HW and let it > sleep, I've built things that way before at least. That's a *lot* of code to put in firmware if you can't physically power most of the system down. --OBXRwq2dYySOzdLn Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmFbOYAACgkQJNaLcl1U h9BBOgf/cS+47jW34sQ7ZOwD7+zAxLV9SSEFG1hnk4nASvAyLh6auA2lINf4TVaX e6o249sP3XJY3GoHcVGJePFR5Ocrchw/JbeGwu4//rhoHQtKpvnt9DHiqkzLlKXC OltBTHIF7Yg+lSG9bQsVXKN8hXP/KHV26P20aS1srEqk6DqSd/AHvtbZ6kSQowoV z6aVUeI2bUll0phJOzpmdhtISswUKJxeK3eOqGZgqnXIyunBuz1s5eVpFxNcPAZW x/PF7XQtncpM8lPcaEVDV9p12WN7dUeqY8iPoeL5bVTOrktO45sOPM/ASx9QUyZT OeIJEqCS3C0E5oIj0eiYDqGUmRB6mw== =QdhR -----END PGP SIGNATURE----- --OBXRwq2dYySOzdLn--