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 X-Spam-Level: X-Spam-Status: No, score=-11.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11E2FC19437 for ; Wed, 9 Dec 2020 02:20:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D2821238EE for ; Wed, 9 Dec 2020 02:20:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725804AbgLICUD (ORCPT ); Tue, 8 Dec 2020 21:20:03 -0500 Received: from mail.kernel.org ([198.145.29.99]:59410 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725789AbgLICUD (ORCPT ); Tue, 8 Dec 2020 21:20:03 -0500 Content-Type: text/plain; charset="utf-8" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1607480362; bh=aL9H+Z7UKxxIUEeWw2VltDYscU1CE3qJnMGNtgDRcc4=; h=In-Reply-To:References:Subject:From:Cc:To:Date:From; b=RiiPoXiZbsjGPTvHkOD5z5sSb4/Y+zB88u6BXq/yF5aY8yu0z7CpB1sqzS06Nddwl yWX79e+uJrqz+Jy2HTvt/YWUJe96gj2ibVM9dAFJuOCECKnrS3cieAN8n76QoaGcBI 8tSgPWkoFrswrDn/RXLyyPdsUgEmGn2ZFCbEFbVcbiKKDwSuT9kKhyT8rvFxpPjTKa NyzZLB+QcqLzMNgCKHiv8sSByxJf1rNvga/5ul0siINR4ABZtlcso0JvknXI3g0rTC FYhMGXV0yTne9Q07zi8HolwrJ2XPZFWQr298X7ILm+mKl+1uLi3nyFHX2orgBUmZ/+ DxQ0UVOqnZmqA== MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <20201116111939.21405-2-tony@atomide.com> References: <20201116111939.21405-1-tony@atomide.com> <20201116111939.21405-2-tony@atomide.com> Subject: Re: [PATCH 01/17] clk: ti: am437x: Keep am4 l3 main clock always on for genpd From: Stephen Boyd Cc: =?utf-8?q?Beno=C3=AEt?= Cousson , devicetree@vger.kernel.org, linux-clk@vger.kernel.org, Michael Turquette , Tero Kristo , Dave Gerlach , Santosh Shilimkar , Suman Anna To: Tony Lindgren , linux-omap@vger.kernel.org Date: Tue, 08 Dec 2020 18:19:21 -0800 Message-ID: <160748036142.1580929.8513981952048306209@swboyd.mtv.corp.google.com> User-Agent: alot/0.9.1 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Quoting Tony Lindgren (2020-11-16 03:19:23) > In order for suspend and resume to work with genpd on am4, we must keep > l3 main clock always on. Otherwise prm_omap driver will shut down the l3 > main clock on suspend when simple-pm-bus and GENPD_FLAG_PM_CLK are used. > Note that we already keep the l3 main clock always on with the legacy > platform code. >=20 > Later on we may want to start managing the l3 main clock with a dedicated > interconnect driver instead of using simple-pm-bus and GENPD_FLAG_PM_CLK. >=20 > Cc: linux-clk@vger.kernel.org > Cc: Michael Turquette > Cc: Stephen Boyd > Cc: Tero Kristo > Signed-off-by: Tony Lindgren > --- Acked-by: Stephen Boyd