From patchwork Thu Oct 4 05:51:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Kemnade X-Patchwork-Id: 10625629 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E0BC714BD for ; Thu, 4 Oct 2018 05:52:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D05BF28DF9 for ; Thu, 4 Oct 2018 05:52:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C312228E05; Thu, 4 Oct 2018 05:52:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7089928DF9 for ; Thu, 4 Oct 2018 05:52:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727474AbeJDMnu (ORCPT ); Thu, 4 Oct 2018 08:43:50 -0400 Received: from mail.andi.de1.cc ([85.214.239.24]:60024 "EHLO h2641619.stratoserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726438AbeJDMnu (ORCPT ); Thu, 4 Oct 2018 08:43:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kemnade.info; s=20180802; h=References:In-Reply-To:Message-Id:Date:Subject: Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=A8OtTmmIqAi34/iweTVhJk0UefWSAt5qAatDD1l4zfM=; b=DDvUfGyp1Umgk+HpkDcRN3V9l dSNmPn8YCxOZsJ0LQkMQriiPc1SvYu78AxEA1wuTHgU6lcdZTlM0hxEaDCKnDlv1CRCNnkHl0BC6x cuhlro14U1xWKVroCu7ic2GYq+x0KmgCnoXmPZ0UbcijC4XvxPZi2miqdjmNFVnthbayY=; Received: from p200300ccfbcbd5001a3da2fffebfd33a.dip0.t-ipconnect.de ([2003:cc:fbcb:d500:1a3d:a2ff:febf:d33a] helo=aktux) by h2641619.stratoserver.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1g7wYS-0003YY-5q; Thu, 04 Oct 2018 07:52:08 +0200 Received: from andi by aktux with local (Exim 4.89) (envelope-from ) id 1g7wYS-00060b-1G; Thu, 04 Oct 2018 07:52:08 +0200 From: Andreas Kemnade To: t-kristo@ti.com, mturquette@baylibre.com, sboyd@kernel.org, linux-omap@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, paul@pwsan.com, tony@atomide.com, letux-kernel@openphoenux.org Cc: Andreas Kemnade Subject: [PATCH RFC 2/2] arm: mach-omap2: setup iclk autoidle according to flags Date: Thu, 4 Oct 2018 07:51:47 +0200 Message-Id: <20181004055147.23048-3-andreas@kemnade.info> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20181004055147.23048-1-andreas@kemnade.info> References: <20181004055147.23048-1-andreas@kemnade.info> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Deny autoidle for hwmods with the OCPIF_SWSUP_IDLE flag, that makes hwmods working properly which cannot handle autoidle properly in lower power states. Affected is e. g. the omap_hdq. It also disables CM_AUTOIDLE_DSS. Need to check if that is wanted or not. Note: Autoidle is not enabled explicitly because there might be clocks which do not support that operation and it is enabled afterwards in arm/mach-omap2/pm.c anyways. Signed-off-by: Andreas Kemnade --- arch/arm/mach-omap2/omap_hwmod.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index bb641e6c93d0..6f9687a4f421 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -131,6 +131,7 @@ #include #include #include +#include #include #include #include @@ -2410,9 +2411,12 @@ static void __init _setup_iclk_autoidle(struct omap_hwmod *oh) continue; if (os->flags & OCPIF_SWSUP_IDLE) { - /* XXX omap_iclk_deny_idle(c); */ + omap2_clk_deny_idle(os->_clk); } else { - /* XXX omap_iclk_allow_idle(c); */ + /* + * no allow_idle here since there is + * later an allow idle in pm.c + */ clk_enable(os->_clk); } }