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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 0F89BC33CB6 for ; Thu, 16 Jan 2020 16:49:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CD6F12081E for ; Thu, 16 Jan 2020 16:49:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579193353; bh=4vXEaNwOIWp1f5jkZrk0mdAQPGxxPiXZxkS7gxe856Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=rxLO8422Kh9J5ihBPzuJr01WGitZ/zMUt2nEqimjeIFFk6DYkr0SjY9js9GWyqwcH ug6rh6CjwqCc+Ww7HjmqeHoIA3/ULhfWsyYv2tEIU4lgo4LGo+00w2t5qYwccUc6p3 lbDl7E8FDhLImf+9fEnoPKYKAOsXiyDAFtc4F61U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729847AbgAPQtE (ORCPT ); Thu, 16 Jan 2020 11:49:04 -0500 Received: from mail.kernel.org ([198.145.29.99]:59748 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729094AbgAPQtD (ORCPT ); Thu, 16 Jan 2020 11:49:03 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C9D982176D; Thu, 16 Jan 2020 16:48:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579193342; bh=4vXEaNwOIWp1f5jkZrk0mdAQPGxxPiXZxkS7gxe856Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pL6UF5rupPzP1r12clp9YARXJG2QoMSL30KGHxX49EUvJ4UgXUdR+nitFvnEy2Wf1 9YgYuim2d6O7mzKxxpnQy+kYpa44WwPKjnmu8gjB16QA2bBNTWFie/Vskwi5dA4Fji 1+iEON41ZD/wp0mvnDhw5UfJ3oTIMbXx4R8QVBEI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Marian Mihailescu , Sylwester Nawrocki , Sasha Levin , linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.4 078/205] clk: samsung: exynos5420: Preserve CPU clocks configuration during suspend/resume Date: Thu, 16 Jan 2020 11:40:53 -0500 Message-Id: <20200116164300.6705-78-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116164300.6705-1-sashal@kernel.org> References: <20200116164300.6705-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org From: Marian Mihailescu [ Upstream commit e21be0d1d7bd7f78a77613f6bcb6965e72b22fc1 ] Save and restore top PLL related configuration registers for big (APLL) and LITTLE (KPLL) cores during suspend/resume cycle. So far, CPU clocks were reset to default values after suspend/resume cycle and performance after system resume was affected when performance governor has been selected. Fixes: 773424326b51 ("clk: samsung: exynos5420: add more registers to restore list") Signed-off-by: Marian Mihailescu Signed-off-by: Sylwester Nawrocki Signed-off-by: Sasha Levin --- drivers/clk/samsung/clk-exynos5420.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 31466cd1842f..3b7601647d7b 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -165,6 +165,8 @@ static const unsigned long exynos5x_clk_regs[] __initconst = { GATE_BUS_CPU, GATE_SCLK_CPU, CLKOUT_CMU_CPU, + APLL_CON0, + KPLL_CON0, CPLL_CON0, DPLL_CON0, EPLL_CON0, -- 2.20.1 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=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham 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 53452C33CB3 for ; Thu, 16 Jan 2020 16:51:12 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 2861C2073A for ; Thu, 16 Jan 2020 16:51:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="hDCfWMba"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="pL6UF5ru" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2861C2073A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=JnMbVDd1vso+LhwTq2F1kDuons+ntiONEE7WsWhh6bg=; b=hDCfWMbaHiKwdO gqYXm1qmKBdLvVI6HwCpntMOrtddJaus+7m6zSEvV5IiG0Bh9fMO2aCB4DhyNxcyrSuf1I+fhLlOX CoKj4UdUri1J0WmnMSRs5EOGVeb8J9zsWV6kEToVL4Yw+Q2Z/d0eAR2nWsc4sxbDCkf0WdGywEb3p ubmB3DWOcj3U9C71Zt6yIqDgNYK05Q/dl+0yLHYYk4Fl3lJSbJnVwZ/4TUZuRVey8+/vTDZhshnkX XMssCl80jZoffftJdR2v+Pvrc8vlg1Y9m1m0FlWjyaCmjrFfsc/99Jyl7F1pkyNa7C0UZ8uO9QqAQ tYBCgoDlribpsBU7gd3Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1is8MR-0006oI-I9; Thu, 16 Jan 2020 16:51:11 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1is8KM-0003V9-NI for linux-arm-kernel@lists.infradead.org; Thu, 16 Jan 2020 16:49:08 +0000 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C9D982176D; Thu, 16 Jan 2020 16:48:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579193342; bh=4vXEaNwOIWp1f5jkZrk0mdAQPGxxPiXZxkS7gxe856Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pL6UF5rupPzP1r12clp9YARXJG2QoMSL30KGHxX49EUvJ4UgXUdR+nitFvnEy2Wf1 9YgYuim2d6O7mzKxxpnQy+kYpa44WwPKjnmu8gjB16QA2bBNTWFie/Vskwi5dA4Fji 1+iEON41ZD/wp0mvnDhw5UfJ3oTIMbXx4R8QVBEI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 078/205] clk: samsung: exynos5420: Preserve CPU clocks configuration during suspend/resume Date: Thu, 16 Jan 2020 11:40:53 -0500 Message-Id: <20200116164300.6705-78-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116164300.6705-1-sashal@kernel.org> References: <20200116164300.6705-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200116_084902_808544_76C4B813 X-CRM114-Status: UNSURE ( 8.12 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , linux-samsung-soc@vger.kernel.org, Sylwester Nawrocki , Marian Mihailescu , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Marian Mihailescu [ Upstream commit e21be0d1d7bd7f78a77613f6bcb6965e72b22fc1 ] Save and restore top PLL related configuration registers for big (APLL) and LITTLE (KPLL) cores during suspend/resume cycle. So far, CPU clocks were reset to default values after suspend/resume cycle and performance after system resume was affected when performance governor has been selected. Fixes: 773424326b51 ("clk: samsung: exynos5420: add more registers to restore list") Signed-off-by: Marian Mihailescu Signed-off-by: Sylwester Nawrocki Signed-off-by: Sasha Levin --- drivers/clk/samsung/clk-exynos5420.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 31466cd1842f..3b7601647d7b 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -165,6 +165,8 @@ static const unsigned long exynos5x_clk_regs[] __initconst = { GATE_BUS_CPU, GATE_SCLK_CPU, CLKOUT_CMU_CPU, + APLL_CON0, + KPLL_CON0, CPLL_CON0, DPLL_CON0, EPLL_CON0, -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel