From patchwork Fri Feb 26 11:54:12 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 102671 Delivered-To: patch@linaro.org Received: by 10.112.199.169 with SMTP id jl9csp670820lbc; Fri, 26 Feb 2016 03:55:01 -0800 (PST) X-Received: by 10.66.244.233 with SMTP id xj9mr1419524pac.19.1456487700873; Fri, 26 Feb 2016 03:55:00 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id tm2si19550724pac.109.2016.02.26.03.55.00; Fri, 26 Feb 2016 03:55:00 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752596AbcBZLy7 (ORCPT + 30 others); Fri, 26 Feb 2016 06:54:59 -0500 Received: from mout.kundenserver.de ([212.227.126.134]:52966 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750883AbcBZLy5 (ORCPT ); Fri, 26 Feb 2016 06:54:57 -0500 Received: from wuerfel.lan. ([78.42.132.4]) by mrelayeu.kundenserver.de (mreue002) with ESMTPA (Nemesis) id 0M0H6r-1ZmFDk31vJ-00ubwS; Fri, 26 Feb 2016 12:54:21 +0100 From: Arnd Bergmann To: Shawn Guo , Sascha Hauer Cc: linux-arm-kernel@lists.infradead.org, Arnd Bergmann , linux-kernel@vger.kernel.org Subject: [PATCH] ARM: imx: select ARM_CPU_SUSPEND only for imx6 Date: Fri, 26 Feb 2016 12:54:12 +0100 Message-Id: <1456487657-3928107-1-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 2.7.0 X-Provags-ID: V03:K0:HMWjQPq4oFsm4ETX+CpWdNsqF1s9n11T2FeYiK57ry6H/nhM0Lc 18SvscIMSJip5gqCBl52H2CSJkYdxqBCU3grIaFESD6yQcTFxqNhvfd9O8sBn8A48kvhC1Z L+3FqCJ75kEIR316JRfx0cb6irHSi9LPdKSrr7YkmSs2rhi1WS451WAYNFr/4IULlq6UjCC LT3dMSRK7yPYBPyK5+JPQ== X-UI-Out-Filterresults: notjunk:1; V01:K0:TATXI8ggr80=:HjTVrKdRGC1Tp3anteUXj/ MC+VAkvW/3ejltD0FcPjobQ680e2eNZSmrEP5eiTJ7WTV1kleMZcGE1NzYg7DxJJAqbsMuTKV DWOfHN/WOWq5FfWEUN1kx8F4JF/OMoOLuby/npLxABoTeQCo1TOOD3yU4rlF4TbjUdOs2N0/7 TJK9v+V+i3lXfVhLO4iTLfdK1LRupdF9MpP30ev+V40K3wfAgkxIEs1M/yBQY6Tdq6sYe9gDi iCmb1tKtKa4kX1kxw2vQCihOZzPc0S/3/SCzlbqnpPd9k3Qd5X3jydP/EkWgPbFMRwOJwN24d iGFoeYpURPhEJ0J5Z+Wa4xYza5iktMe4Dg53BpQS66ftB5mdM1lAwLVeR3xGNFdSr8V/b7wqM KlsZiQpY0/Tc2g3ZTfijeIUeJ3glcZzGEwM01zM7gGR1O1RDUZ7fwfNmaeIKIT3skMr6aQMwi sWCnY2D9EILoSKJlLAvz4aIpiE7phz/QLLPtt9/AB9EW6rX96wlQ9a83SXBxIUjX1aYU0cwUs NX2mTBEFtSlPWVPBOhNRccS5wKqYEn8kmsbdMuo1BbQW95ke0dGPdl5flNBPsPCqAQFN7xOWH /b7mTpnNxmcAPd2cJRze/LxyCIr4NhX5N4PbjLyXnW4onGEWNSI3Cgb4hMFrd2kIVAw8YurxN RN3ZAZccxlJp0rw/z3LGpT4E8lP8/jxsf9C9EL6qAhruWJ7okqCTI1bbU42CzP7RQBEA= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org i.MX only needs to select ARM_CPU_SUSPEND manually for the very specific case that CONFIG_PM_SLEEP is disabled and imx6 is used with CONFIG_PM enabled for runtime PM. If we are building a kernel only for CPUs that are not using the cpu_suspend() helper, we otherwise get a harmless build warning: warning: (ARCH_MXC && SOC_IMX23 && SOC_IMX28 && ARCH_PXA && MACH_MVEBU_V7 && ARCH_OMAP3 && ARCH_OMAP4 && SOC_OMAP5 && SOC_AM33XX && SOC_DRA7XX && ARCH_EXYNOS3 && ARCH_EXYNOS4 && EXYNOS5420_MCPM && EXYNOS_CPU_SUSPEND && ARCH_VEXPRESS_TC2_PM && ARM_BIG_LITTLE_CPUIDLE && ARM_HIGHBANK_CPUIDLE && QCOM_PM) selects ARM_CPU_SUSPEND which has unmet direct dependencies (ARCH_SUSPEND_POSSIBLE) This moves the option to the SOC_IMX6 option that actually requires it, in effect reverting commit f36b594f3754 ("ARM: mach-imx: Select ARM_CPU_SUSPEND at ARCH_MXC level") that was meant as a cleanup and unintentionally caused this warning. Signed-off-by: Arnd Bergmann --- arch/arm/mach-imx/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.7.0 diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 6c6b86cdeced..53fc0d4948a4 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -3,7 +3,6 @@ menuconfig ARCH_MXC depends on ARCH_MULTIPLATFORM || ARM_SINGLE_ARMV7M select ARCH_REQUIRE_GPIOLIB select ARCH_SUPPORTS_BIG_ENDIAN - select ARM_CPU_SUSPEND if PM select CLKSRC_IMX_GPT select GENERIC_IRQ_CHIP select PINCTRL @@ -512,6 +511,7 @@ config SOC_IMX53 config SOC_IMX6 bool + select ARM_CPU_SUSPEND if PM select ARM_ERRATA_754322 select ARM_ERRATA_775420 select ARM_GIC