From patchwork Tue Feb 18 02:35:05 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Guo X-Patchwork-Id: 321270 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:770:15f::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 21B722C00CE for ; Tue, 18 Feb 2014 13:34:33 +1100 (EST) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WFaVs-0004sR-3T; Tue, 18 Feb 2014 02:34:24 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WFaVp-0004fx-Pi; Tue, 18 Feb 2014 02:34:21 +0000 Received: from va3ehsobe005.messaging.microsoft.com ([216.32.180.31] helo=va3outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WFaVm-0004fO-Pg for linux-arm-kernel@lists.infradead.org; Tue, 18 Feb 2014 02:34:19 +0000 Received: from mail183-va3-R.bigfish.com (10.7.14.229) by VA3EHSOBE008.bigfish.com (10.7.40.28) with Microsoft SMTP Server id 14.1.225.22; Tue, 18 Feb 2014 02:33:57 +0000 Received: from mail183-va3 (localhost [127.0.0.1]) by mail183-va3-R.bigfish.com (Postfix) with ESMTP id EDBB72C0321; Tue, 18 Feb 2014 02:33:56 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1f42h2148h208ch1ee6h1de0h1fdah2073h2146h1202h1e76h2189h1d1ah1d2ah21bch1fc6hzz1de098h8275bh8275dh1de097hz2dh87h2a8h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh2222h224fh1fb3h1d0ch1d2eh1d3fh1dc1h1dfeh1dffh1e23h1fe8h1ff5h2218h2216h226dh22d0h24afh2327h2336h2438h2461h2487h24d7h2516h2545h255eh1151h1155h) X-FB-DOMAIN-IP-MATCH: fail Received: from mail183-va3 (localhost.localdomain [127.0.0.1]) by mail183-va3 (MessageSwitch) id 1392690833908486_25092; Tue, 18 Feb 2014 02:33:53 +0000 (UTC) Received: from VA3EHSMHS019.bigfish.com (unknown [10.7.14.226]) by mail183-va3.bigfish.com (Postfix) with ESMTP id C423C38004D; Tue, 18 Feb 2014 02:33:53 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by VA3EHSMHS019.bigfish.com (10.7.99.29) with Microsoft SMTP Server (TLS) id 14.16.227.3; Tue, 18 Feb 2014 02:33:53 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-003.039d.mgd.msft.net (10.84.1.16) with Microsoft SMTP Server (TLS) id 14.3.158.2; Tue, 18 Feb 2014 02:33:52 +0000 Received: from S2101-09.ap.freescale.net ([10.192.185.144]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id s1I2XnlM030906; Mon, 17 Feb 2014 19:33:50 -0700 From: Shawn Guo To: Subject: [PATCH RESEND] ARM: imx6: build pm-imx6q.c independently of CONFIG_PM Date: Tue, 18 Feb 2014 10:35:05 +0800 Message-ID: <1392690905-16839-1-git-send-email-shawn.guo@linaro.org> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-OriginatorOrg: sigmatel.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140217_213418_891937_6A32BB13 X-CRM114-Status: GOOD ( 10.20 ) X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [216.32.180.31 listed in list.dnswl.org] 0.7 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: stable@vger.kernel.org, Shawn Guo , linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.org When building a kernel image with only CONFIG_CPU_IDLE but no CONFIG_PM, we will get the following link error. LD init/built-in.o arch/arm/mach-imx/built-in.o: In function `imx6q_enter_wait': platform-spi_imx.c:(.text+0x25c0): undefined reference to `imx6q_set_lpm' platform-spi_imx.c:(.text+0x25d4): undefined reference to `imx6q_set_lpm' arch/arm/mach-imx/built-in.o: In function `imx6q_cpuidle_init': platform-spi_imx.c:(.init.text+0x75d4): undefined reference to `imx6q_set_chicken_bit' make[1]: *** [vmlinux] Error 1 Since pm-imx6q.c has been a collection of library functions that access CCM low-power registers used by not only suspend but also cpuidle and other drivers, let's build pm-imx6q.c independently of CONFIG_PM to fix above error. Reported-by: Lucas Stach Signed-off-by: Shawn Guo Cc: stable@vger.kernel.org Acked-by: Christian Gmeiner --- Kevin, Olof, Arnd, Please apply this fix for v3.14. Thanks. Shawn arch/arm/mach-imx/Makefile | 2 -- arch/arm/mach-imx/common.h | 4 +--- 2 files changed, 1 insertion(+), 5 deletions(-) diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index befcaf5..ec41964 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -101,11 +101,9 @@ obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o obj-$(CONFIG_SOC_IMX6Q) += clk-imx6q.o mach-imx6q.o obj-$(CONFIG_SOC_IMX6SL) += clk-imx6sl.o mach-imx6sl.o -ifeq ($(CONFIG_PM),y) obj-$(CONFIG_SOC_IMX6Q) += pm-imx6q.o headsmp.o # i.MX6SL reuses i.MX6Q code obj-$(CONFIG_SOC_IMX6SL) += pm-imx6q.o headsmp.o -endif # i.MX5 based machines obj-$(CONFIG_MACH_MX51_BABBAGE) += mach-mx51_babbage.o diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h index 59c3b9b..baf439d 100644 --- a/arch/arm/mach-imx/common.h +++ b/arch/arm/mach-imx/common.h @@ -144,13 +144,11 @@ void imx6q_set_chicken_bit(void); void imx_cpu_die(unsigned int cpu); int imx_cpu_kill(unsigned int cpu); -#ifdef CONFIG_PM void imx6q_pm_init(void); void imx6q_pm_set_ccm_base(void __iomem *base); +#ifdef CONFIG_PM void imx5_pm_init(void); #else -static inline void imx6q_pm_init(void) {} -static inline void imx6q_pm_set_ccm_base(void __iomem *base) {} static inline void imx5_pm_init(void) {} #endif