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 76DCDC4360C for ; Fri, 4 Oct 2019 15:01:47 +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 421D02084D for ; Fri, 4 Oct 2019 15:01:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="r2Kr8Tb8"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="naYVCKVE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 421D02084D 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:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=cggpRnh//C4Bhno1BRXP/1km1ALglrLjMhuxz0LKpnQ=; b=r2Kr8Tb82pNGqD zapQzAMb/ESyInVL7fsCrsJPYUe2G8COhoYkoUq7qpSrLu8TkGoI2gENeDXnWhe59ZtlDwfWYMTZh Jrou/PIkwlPZEK8ungVgbJHRYxlrw7Zxt6Zw510dH39MoqhJDpTtthDg+RUrPkc0yKFoTzVMsohE1 7lF9Of45ZlJVMVD0U2QRcqR5OpZt4165HdmdsCVrV76RdJI6MgDW10qVPf/vMeHJcKgiDMjYGYq+U o+BivdGtzyiFQiQlNmjMabm+VWySHwjwRzV8U9PvfVcMBGCeskg0MfRTQ1Sigq9qQdWbVQdaYvM3j ezFti9jRhIFkFH6AwTqg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iGP5V-0001jI-0U; Fri, 04 Oct 2019 15:01:45 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iGP4j-0001WA-7U for linux-arm-kernel@lists.infradead.org; Fri, 04 Oct 2019 15:00:58 +0000 Received: from localhost.localdomain (unknown [194.230.155.145]) (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 99E922133F; Fri, 4 Oct 2019 15:00:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570201256; bh=oHpPukB6B9nYWBy+UwEt06VVM0sOiP39yRkduK0FfyA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=naYVCKVE90MUi+D8gWav2uNsSkNjDc0xvWVMLN7bjXO+gK8ChM6YuTL+HGl5EVEH0 QoVuGX2eldJVcAoBIHR0FVq6zoEFeFy4draMwTSwOO7226+ecAVEmhII3Q1JUu6nm7 E4Hc2XpBajKHsK+ihIQxxY4vbt30kI2Ln0BlspP4= From: Krzysztof Kozlowski To: Sylwester Nawrocki , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Russell King , Olof Johansson , Krzysztof Kozlowski , Arnd Bergmann , Marek Szyprowski Subject: [PATCH 2/2] ARM: multi_v7_defconfig: Enable Exynos bus and memory frequency scaling (devfreq) Date: Fri, 4 Oct 2019 17:00:40 +0200 Message-Id: <20191004150040.5833-2-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191004150040.5833-1-krzk@kernel.org> References: <20191004150040.5833-1-krzk@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191004_080057_288499_A500ECAE X-CRM114-Status: UNSURE ( 9.60 ) 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: , MIME-Version: 1.0 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 Enable devfreq events along with drivers for scaling frequency and voltages of Exynos buses and Dynamic Memory Controller (DMC). This usually brings energy saving benefits. So far devfreq was disabled because it was causing hangs during system reboot (voltage not matching reset frequency). This was already fixed. Occasionally, devfreq might negatively impact performance of certain SoC blocks, e.g. when a bus is scaled down but some block (like Mixer with two Full HD windows) wants to perform high-throughput DMA operations. Signed-off-by: Krzysztof Kozlowski --- arch/arm/configs/multi_v7_defconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index 7f7978dba8ab..1296e7aaa801 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -977,11 +977,14 @@ CONFIG_ARCH_TEGRA_2x_SOC=y CONFIG_ARCH_TEGRA_3x_SOC=y CONFIG_ARCH_TEGRA_114_SOC=y CONFIG_ARCH_TEGRA_124_SOC=y +CONFIG_ARM_EXYNOS_BUS_DEVFREQ=m CONFIG_ARM_TEGRA_DEVFREQ=m +CONFIG_DEVFREQ_EVENT_EXYNOS_NOCP=m CONFIG_EXTCON_MAX14577=m CONFIG_EXTCON_MAX77693=m CONFIG_EXTCON_MAX8997=m CONFIG_TI_AEMIF=y +CONFIG_EXYNOS5422_DMC=m CONFIG_IIO=y CONFIG_IIO_SW_TRIGGER=y CONFIG_ASPEED_ADC=m -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel