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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 704E5C2D0DB for ; Wed, 22 Jan 2020 09:31:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3731A24672 for ; Wed, 22 Jan 2020 09:31:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579685479; bh=0ooPQTJdsbuy7mDT8DEDH6XQyhlkOcP1COJtU1twRMc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=IBYhCgtEBCvS+LA+xZ6UcRUcQOGWcK3RWxJ8+CJ2yWJuyvn2etGi0BaYqz7GXgUpJ HYoO9n0FtlHOz2wi6rfN6nesqRC/geyvyeyrGrda2w8dJZ1fk1paVl/E29c/Qw75si pwGV/rOpvuP/IKPmO55viOmzp23xUpPu9JGObhvQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729636AbgAVJbS (ORCPT ); Wed, 22 Jan 2020 04:31:18 -0500 Received: from mail.kernel.org ([198.145.29.99]:43232 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729605AbgAVJbQ (ORCPT ); Wed, 22 Jan 2020 04:31:16 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 67C0624673; Wed, 22 Jan 2020 09:31:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579685475; bh=0ooPQTJdsbuy7mDT8DEDH6XQyhlkOcP1COJtU1twRMc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nJafzGhJTTPJQZ8bZnnbJ7OPDT/YSRePHemhJ4pIVmn+pXRbRmR28jDtRD6UsacJe FpRMDnEx4V++Bf8S0ciwETwbQKUkZGgLYEEd14P76EjFrQLhCd73Ejohqfl4kZrFW5 DkhpC2Suj09YlUNcFxyxhVWe+hA6R5c3G+DAW3ZU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Marian Mihailescu , Sylwester Nawrocki Subject: [PATCH 4.4 29/76] clk: samsung: exynos5420: Preserve CPU clocks configuration during suspend/resume Date: Wed, 22 Jan 2020 10:28:45 +0100 Message-Id: <20200122092754.738749967@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200122092751.587775548@linuxfoundation.org> References: <20200122092751.587775548@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Marian Mihailescu commit e21be0d1d7bd7f78a77613f6bcb6965e72b22fc1 upstream. 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: Greg Kroah-Hartman --- drivers/clk/samsung/clk-exynos5420.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -166,6 +166,8 @@ static unsigned long exynos5x_clk_regs[] GATE_BUS_CPU, GATE_SCLK_CPU, CLKOUT_CMU_CPU, + APLL_CON0, + KPLL_CON0, CPLL_CON0, DPLL_CON0, EPLL_CON0,