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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 795E9C00A5A for ; Tue, 17 Jan 2023 22:35:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ML9MD/qhCQO8wbeyNdrNQKv2I0/8jJYVQFZhfNhNjBU=; b=0GyahYDtcjd3v9n50YCxzOI7WO fbIXPBWS3iF1nB5UOW51TuW9PZyTn9Y5Ljan/Dy6BDo8Gx1EquTlHDQ9s8yMv6C6Uczu0SnWHerrr +LsBsy6bgw2C2IgDht1LnKJchmFDryW4obupn1SZ6AC7qeHxg0dI6NuddwVbP/cTdsqNNefGXiNvh YtRbKh+wGMhWB5xHKcJxLN8AeceLvlkZBwqvfLYpbW87isOTqmrNyOls9YXUiGy7HhEp0beCBaVqk DIXVc23epGi1C+YpCQ3RmFSJNT6rKdP3QGN6LnsOB1gbtYhMjRbC4Ob3G8B6beYgjn7JXWagE+olV 0RCOPatg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pHuXr-00G6pv-Gq; Tue, 17 Jan 2023 22:35:07 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pHuXo-00G6ou-JN for linux-riscv@lists.infradead.org; Tue, 17 Jan 2023 22:35:06 +0000 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 dfw.source.kernel.org (Postfix) with ESMTPS id 26D9E61552; Tue, 17 Jan 2023 22:35:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB693C433EF; Tue, 17 Jan 2023 22:35:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673994903; bh=eWG1VPMkeRLPxbwPwcVEiYJL+Vutp+KjKBvwMn+l3Zw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=AmPyOVQeGo/pyoaPU/m2sGtG6M/15GKwqGraCmJC/fRxCKvJFxnwFEcVaogxNpJF1 uIIpdQkP3GEvYM0aFk27sCLxaYnqexZTMYuDvupLiaBrnb1vveW7pDJ43luSF1jsgW LujmcHaOAO/bk/Mi3xIqYDoeVZS/R5rmsj975KpKV+pRRPsIvqAUmuXA13L7uY2JY9 0FxARInPXLP4h/bPfxoznqLq7Qcz3QBp3xx1vdINzCmE0JBIAQownSBOxfHnhFwhh6 EvdyvK01zUJpNX0Kx9cZgX9/I0Yg1x73zAsdYfUzhGe8H1jPpRSeo/Bw6StZRU6vJN jyalA/nzzOD6Q== Date: Tue, 17 Jan 2023 22:34:59 +0000 From: Conor Dooley To: Andrew Jones Cc: linux-riscv@lists.infradead.org, 'Anup Patel ' , 'Albert Ou ' , 'Paul Walmsley ' , 'Sia Jee Heng ' , 'Palmer Dabbelt ' , 'Ley Foon Tan ' Subject: Re: [RFC PATCH 0/1] riscv: Introduce system suspend support Message-ID: References: <20230106113216.443057-1-ajones@ventanamicro.com> MIME-Version: 1.0 In-Reply-To: <20230106113216.443057-1-ajones@ventanamicro.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230117_143504_698746_25799AA5 X-CRM114-Status: GOOD ( 15.42 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7547423207148138889==" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org --===============7547423207148138889== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="wN+tLJAJSLr64pUs" Content-Disposition: inline --wN+tLJAJSLr64pUs Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hey Drew! On Fri, Jan 06, 2023 at 12:32:15PM +0100, Andrew Jones wrote: > Booting with an OpenSBI including the RFC series[1] implementing the > draft proposal for SBI system suspend[2] we can add system support to > Linux. This support implements "suspend-to-RAM", which means when a > kernel is built with CONFIG_SUSPEND 'echo mem > /sys/power/state' will > initiate a suspension. >=20 > This has only been tested on QEMU using the OpenSBI system suspend > test. The test just waits 5 seconds and then resumes. To truly use > system suspend a platform must have a low-level firmware implementation > and provide at least one wake-up event, such as from a wakeup-capable > RTC alarm, to resume. >=20 > [1] https://github.com/jones-drew/opensbi/commits/susp-rfc > Posting: http://lists.infradead.org/pipermail/opensbi/2023-January/00= 4091.html > [2] https://github.com/jones-drew/riscv-sbi-doc/commit/d9e43e9a938fc3eb51= 0e023c3f352462876f7785 In case you don't get alerts from GH, I left one *tiny* comment on this. And I really mean tiny! Thanks, Conor. --wN+tLJAJSLr64pUs Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCY8cikwAKCRB4tDGHoIJi 0hl1AP0QF4aS884D60QTE61PkR3KD+ux5b7AY7P8vJgkm3RssQEAisCAY5lSFYO4 C0A3bvPEfpMwK/5LKe6TT9oqP6WqHAE= =JsIX -----END PGP SIGNATURE----- --wN+tLJAJSLr64pUs-- --===============7547423207148138889== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv --===============7547423207148138889==--