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 10157C33CB6 for ; Thu, 16 Jan 2020 18:34:48 +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 D4EFC214AF for ; Thu, 16 Jan 2020 18:34:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="eD09cTFr"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="mmR0MM0r" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D4EFC214AF 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=bUNOR7+2okT1Kxzui30aTyaRP/MiUwbVsGJH6HjpxT4=; b=eD09cTFr93MInX SgdcJhzBQzCdPISLMXcYrnTHe++JFP3xcHs2q67eJMEtYpCDXSpu+T0k7HsziB+ydjrM0LNPdUwKv d1V0GWtODaX7TkJsLUfy1xW8Ht68Z5oo/6hp+af1wnza3ndM6tvoQTgIfDq50mzmmrimwNOfvRpEy /ck83qBDnzU4M6v91/zDqIQZ2Gt4huxGhlvlY0fShZyNRMflre/h6wOlH/Xhprp/LuxZGTm0WBVmx Z7mrx7yZJxNJURnUtepNwOOBJzHUAy4ixCNmNJHy5JJ/y8ab0Ar0R6DvjKsuuqq5gc3cGwNwd80Qm wX4hWpOCywUoxgJEa8xw==; 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 1is9yg-0003cK-PU; Thu, 16 Jan 2020 18:34:46 +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 1is9E7-0006yL-TF for linux-arm-kernel@lists.infradead.org; Thu, 16 Jan 2020 17:46:44 +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 2B9E1246DE; Thu, 16 Jan 2020 17:46:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579196799; bh=tjezgqyB0lb6GvQGpNFUAhir6YPDZj0KFE56LLwsDVs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mmR0MM0r7SDpzNzBbvY3PqCphAOfFOEiVp73TfZNdghLvEys3G9rOz3+WY2Bu6FZu +Fk4tZ4lxcPRRz1WpY0/46OGvL5cP/xkm+lGNqUl+6Ah0GagbtWLYMU68ZxyL+wKM3 jSkJavCdjj6aaqTBw8lvMElyTueRT2L2u2N8Q+h4= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 4.4 159/174] clk: samsung: exynos5420: Preserve CPU clocks configuration during suspend/resume Date: Thu, 16 Jan 2020 12:42:36 -0500 Message-Id: <20200116174251.24326-159-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116174251.24326-1-sashal@kernel.org> References: <20200116174251.24326-1-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_094640_133764_3571E40F X-CRM114-Status: UNSURE ( 8.22 ) 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 c94de13ce362..21bfedf40478 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -166,6 +166,8 @@ static unsigned long exynos5x_clk_regs[] __initdata = { 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