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,URIBL_BLOCKED,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 C4409C4360C for ; Tue, 8 Oct 2019 16:04:14 +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 94F8621721 for ; Tue, 8 Oct 2019 16:04:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="NIeSHt+o"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="srdp3Ukq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 94F8621721 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=Vrqq+udjXTd6q31lF2zozaL9Bne5ZVRK6csZfxG1PeE=; b=NIeSHt+oZuihcq 9o3rSXxXvXI5S4cthio5Dq4NPdu1p9RvnmqcXKXc8YWBJc396/efhC2hu4uJ9qPraQvD8ZMuNLQ3f jFhBlzFU16tqnRRuTmfIIQzVwTaY9G3ilPjgX0J+H3btggA/LBH0DZ7Yl67r4QAapLITT14+1OpD4 sv2YW8tAs1+gxhKg6NU3it8EoeN06diXT/Gm9FdWuh7zHWLLETZLSpynVHCvhsOF1PsyNgHjyG9zS FOysI0hym+qPNHKJxZtXlLkTsMSo4tgfLt+MbaNgh9GHyao5HlnUx9Z51dnpylcsS+cXzltrG76+N Xd58q9z12KDKcpGb5DbA==; 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 1iHry9-00054X-71; Tue, 08 Oct 2019 16:04:13 +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 1iHrxm-0003xA-TD for linux-arm-kernel@lists.infradead.org; Tue, 08 Oct 2019 16:03:52 +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 23C7220815; Tue, 8 Oct 2019 16:03:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570550630; bh=xp63xfZYYr/4fmyY0e7gVnsIupMIVgJn/wfEy+/uzo0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=srdp3UkqTynIKaJp97COCjhIllE2c/LfCKPCvMFPbsuk5oBalWqnBaGIobfVakVVO 5YyZlg8mSQOxAvWueGwIZZCC10o3SjXBpfo7gwrhSPQvkISbc0WQlcpjcIekzSB6Re /rQXg9uOaxo0UKx+vu4azK9JwFnUZbjqxcjgoyos= From: Krzysztof Kozlowski To: Russell King , Kukjin Kim , Krzysztof Kozlowski , Marek Szyprowski , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Olof Johansson , Simon Horman , Arnd Bergmann Subject: [PATCH v2 2/2] ARM: multi_v7_defconfig: Enable Exynos bus and memory frequency scaling (devfreq) Date: Tue, 8 Oct 2019 18:02:34 +0200 Message-Id: <20191008160234.3106-2-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191008160234.3106-1-krzk@kernel.org> References: <20191008160234.3106-1-krzk@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191008_090350_987561_2E27A32A X-CRM114-Status: GOOD ( 10.79 ) 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 --- Changes since v1: None --- 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 d576845acd6f..55fcc53a677a 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -978,11 +978,14 @@ 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