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 87ADFC33CB3 for ; Thu, 16 Jan 2020 17:45:26 +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 45E8C24767 for ; Thu, 16 Jan 2020 17:45:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="jm4pUZfW"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="1FRzgi9u" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 45E8C24767 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=CRDmwzQJ4OBGFbFUBlvKiidLAVXyRQQQWUfVQV7PtlU=; b=jm4pUZfWyOnLDu zBdu5zs9Dpf8OkZ6x3PeSzfDuuWAAURTgMPip/MKfUi6eQniMkw5p88/9iKoDDGIyCrXohRRZ84dl 5Z2R5KdDp1Ltha2aliftfUzbzTF6Wz/LwXJtxem/RGrDdWcGs290cN8jQUa4wg5mgTzYcF9VcOjkT gCDyIpJrESH5azRBU1gVK6cpBEQ5dUofE02r88BVWiOnkv6XukltcVGHhVCVVKt3krRPtr74ae/AY S8gmHUaWogLav8f4a2bBneYduFRQ3mOS7qVljArMIzJU6k/1xMFWQ5pWqbl9NXiGgrPXH+nLN0Rfw YDM/fqv4qs9D8dmUyvRg==; 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 1is9Co-0004rN-Ka; Thu, 16 Jan 2020 17:45:18 +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 1is8iG-0007Jl-2I for linux-arm-kernel@lists.infradead.org; Thu, 16 Jan 2020 17:13:51 +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 EE07F246A3; Thu, 16 Jan 2020 17:13:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579194822; bh=L/KSiELxp369zGbGPtlCYt4xEKWsCEJceCqSHQySHVI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1FRzgi9ubCQRV+EzmkN2WYEVK5uh5EryC1lZzxaIsjuVqST7v04WehDNCVU1PJc7e uPeTewY+AViOuo7+6R766lGX2EHpUUFiTpWogVeGHkwBGnMi+zONEDrMB6Tg7KMIMZ shqOZ6ZeI5I1cC1gWRWDgpmxEyoyUShkJJ6jJTfE= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 627/671] clk: samsung: exynos5420: Preserve CPU clocks configuration during suspend/resume Date: Thu, 16 Jan 2020 12:04:25 -0500 Message-Id: <20200116170509.12787-364-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116170509.12787-1-sashal@kernel.org> References: <20200116170509.12787-1-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_091344_252263_894A649E 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 d5af93721299..6473af8903c5 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -171,6 +171,8 @@ 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