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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 C2ABBC32751 for ; Mon, 5 Aug 2019 13:20:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 978ED2147A for ; Mon, 5 Aug 2019 13:20:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565011252; bh=4ZLHD2TpGOEkDq8sE25lZdSIXZweCoMcXKT+jMzc7gY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=N/jAc+P4P7rcfwSipJBrgp3w1ay0uJXhvV/9sYA3hNdHDPZZZ1fV/E7RkdOcTqq23 kQVbsP6ya0IUMCGhTtw2LptgDlucDGJ6vpfRK6cBSA902Q570he70CvhukOhh57Cq5 Cx7Yi/XUxacf/G12SC2wbsFM9qDinI5Lcz5x9HLI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729561AbfHENUu (ORCPT ); Mon, 5 Aug 2019 09:20:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:56948 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730336AbfHENUt (ORCPT ); Mon, 5 Aug 2019 09:20:49 -0400 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 007C52173B; Mon, 5 Aug 2019 13:20:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565011248; bh=4ZLHD2TpGOEkDq8sE25lZdSIXZweCoMcXKT+jMzc7gY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kBdx9bgcsL0FBbYVOsvFTO+CEGqbXrswmNZJXsgKaONpNco+eZblzvATFS6Jfm9XF qnCO7YTn3nqD9U23pYpqAcO6zZ9ficcQW9G2P2j9NBdt6KX/tQJPbJjnAHqpxEUOPO Z/M8/eSBCNm52eefag/18PJ2bJ5LB5o2pzYj2coY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arnd Bergmann , Krzysztof Kozlowski , Sasha Levin Subject: [PATCH 5.2 021/131] ARM: exynos: Only build MCPM support if used Date: Mon, 5 Aug 2019 15:01:48 +0200 Message-Id: <20190805124952.858280053@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190805124951.453337465@linuxfoundation.org> References: <20190805124951.453337465@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org [ Upstream commit 24d2c73ff28bcda48607eacc4bc804002dbf78d9 ] We get a link error for configurations that enable an Exynos SoC that does not require MCPM, but then manually enable MCPM anyway without also turning on the arm-cci: arch/arm/mach-exynos/mcpm-exynos.o: In function `exynos_pm_power_up_setup': mcpm-exynos.c:(.text+0x8): undefined reference to `cci_enable_port_for_self' Change it back to only build the code we actually need, by introducing a CONFIG_EXYNOS_MCPM that serves the same purpose as the older CONFIG_EXYNOS5420_MCPM. Fixes: 2997520c2d4e ("ARM: exynos: Set MCPM as mandatory for Exynos542x/5800 SoCs") Signed-off-by: Arnd Bergmann Signed-off-by: Krzysztof Kozlowski Signed-off-by: Sasha Levin --- arch/arm/mach-exynos/Kconfig | 6 +++++- arch/arm/mach-exynos/Makefile | 2 +- arch/arm/mach-exynos/suspend.c | 6 +++--- 3 files changed, 9 insertions(+), 5 deletions(-) diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index 1c518b8ee520c..21a59efd1a2c4 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -106,7 +106,7 @@ config SOC_EXYNOS5420 bool "SAMSUNG EXYNOS5420" default y depends on ARCH_EXYNOS5 - select MCPM if SMP + select EXYNOS_MCPM if SMP select ARM_CCI400_PORT_CTRL select ARM_CPU_SUSPEND @@ -115,6 +115,10 @@ config SOC_EXYNOS5800 default y depends on SOC_EXYNOS5420 +config EXYNOS_MCPM + bool + select MCPM + config EXYNOS_CPU_SUSPEND bool select ARM_CPU_SUSPEND diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile index 264dbaa89c3db..5abf3db23912b 100644 --- a/arch/arm/mach-exynos/Makefile +++ b/arch/arm/mach-exynos/Makefile @@ -18,5 +18,5 @@ plus_sec := $(call as-instr,.arch_extension sec,+sec) AFLAGS_exynos-smc.o :=-Wa,-march=armv7-a$(plus_sec) AFLAGS_sleep.o :=-Wa,-march=armv7-a$(plus_sec) -obj-$(CONFIG_MCPM) += mcpm-exynos.o +obj-$(CONFIG_EXYNOS_MCPM) += mcpm-exynos.o CFLAGS_mcpm-exynos.o += -march=armv7-a diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c index be122af0de8f8..8b1e6ab8504f0 100644 --- a/arch/arm/mach-exynos/suspend.c +++ b/arch/arm/mach-exynos/suspend.c @@ -268,7 +268,7 @@ static int exynos5420_cpu_suspend(unsigned long arg) unsigned int cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1); unsigned int cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0); - if (IS_ENABLED(CONFIG_MCPM)) { + if (IS_ENABLED(CONFIG_EXYNOS_MCPM)) { mcpm_set_entry_vector(cpu, cluster, exynos_cpu_resume); mcpm_cpu_suspend(); } @@ -351,7 +351,7 @@ static void exynos5420_pm_prepare(void) exynos_pm_enter_sleep_mode(); /* ensure at least INFORM0 has the resume address */ - if (IS_ENABLED(CONFIG_MCPM)) + if (IS_ENABLED(CONFIG_EXYNOS_MCPM)) pmu_raw_writel(__pa_symbol(mcpm_entry_point), S5P_INFORM0); tmp = pmu_raw_readl(EXYNOS_L2_OPTION(0)); @@ -455,7 +455,7 @@ static void exynos5420_prepare_pm_resume(void) mpidr = read_cpuid_mpidr(); cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1); - if (IS_ENABLED(CONFIG_MCPM)) + if (IS_ENABLED(CONFIG_EXYNOS_MCPM)) WARN_ON(mcpm_cpu_powered_up()); if (IS_ENABLED(CONFIG_HW_PERF_EVENTS) && cluster != 0) { -- 2.20.1