From patchwork Mon May 28 15:41:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 137091 Delivered-To: patch@linaro.org Received: by 2002:a2e:9706:0:0:0:0:0 with SMTP id r6-v6csp2977994lji; Mon, 28 May 2018 08:43:05 -0700 (PDT) X-Google-Smtp-Source: AB8JxZq4GM6L6989aNsZT9krff6ZeMYxgErmqga4kjQQCioF0p4T7VoASxX8MfbEhgES5o5UUoQK X-Received: by 2002:a63:2647:: with SMTP id m68-v6mr11081853pgm.56.1527522184922; Mon, 28 May 2018 08:43:04 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1527522184; cv=none; d=google.com; s=arc-20160816; b=XiRuubvq/s0T9MplqG5lAA13KYrXxUb+jzvriwYZeI253A2B4wlE4EFsQe5oaAp2Uw Li0MJ+h4na+n1Q1VicPWyLiDlSFh4eZvyLm/9g6qKt+jGD3MqCwwTXYs4POIfbm1vfj5 xwDDC+EHHb+1d/1xzxj+ZOGnnKXdYGeiVJ1fbeBKE/QXGk4MfLuIeb2Aq9//hC7AyE8q lswE/qOakyjakYRnwsDSdPoiEomAeodNHfgtpb20JZLxdwCj6mDcvYnXXcNn2A/fmsn+ RrOjbcuW7FADR177MgBFk300nnudm9wR5uNXrKs2BPSUYX9PWmuFXoQx27Or+uHNME1S BE1A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :arc-authentication-results; bh=TUqukZbgvb1A4ZZlJdynResqnn0wLpRHUDSg/tFAQK4=; b=cU0o9VuhRlhOKYEboXiF2/tzZz4TXR00mVUWZVYh9QHmkYAhEgNd0BSPNyXXVQLefR 63FPMo2zol2+YYN7Srsesd1H8OQh2WHRBzRsXHXW6Zp4CuyR5X00XnbYlkcAc9i0rvnK QboaGtgXdahyac24ViMUO43qB2R5Y6ylJGXvONIaLNBwJMm8UB45TAs9PtTRjIcHKt4T VWshh5qpYcWmY1HFee1Idl4IhgVx9GqFyaNU7lo+9oS3naFru3Yxo5xIoDzA2yhj95Kt lkqshZBUhZ3ReAGDWzY/xD2a52bRwoOieK2KcweaFZiPd8RiWESvLEHPFbXq7dsAvk6i CixQ== ARC-Authentication-Results: i=1; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id bb5-v6si28931798plb.80.2018.05.28.08.43.04; Mon, 28 May 2018 08:43:04 -0700 (PDT) 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 S1034795AbeE1PnC (ORCPT + 30 others); Mon, 28 May 2018 11:43:02 -0400 Received: from mout.kundenserver.de ([212.227.17.13]:59325 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031240AbeE1Pmv (ORCPT ); Mon, 28 May 2018 11:42:51 -0400 Received: from wuerfel.lan ([95.208.111.237]) by mrelayeu.kundenserver.de (mreue101 [212.227.15.145]) with ESMTPA (Nemesis) id 0LpwXf-1g0nyb0ILv-00fmto; Mon, 28 May 2018 17:42:30 +0200 From: Arnd Bergmann To: Will Deacon , Mark Rutland Cc: Arnd Bergmann , Robin Murphy , Punit Agrawal , Rob Herring , Marc Zyngier , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] drivers/bus: arm-cci: fix build warnings Date: Mon, 28 May 2018 17:41:47 +0200 Message-Id: <20180528154228.2403116-1-arnd@arndb.de> X-Mailer: git-send-email 2.9.0 X-Provags-ID: V03:K1:/yx/1QOlx3ewRLu25nrvKZ/qIEMBSypbAZ4ESfUals4FDe6mk4N 2uoBGNIqHr9CHAU/4jbZQG5Ap5otXgfW/2XdkdGPVQoQuaiyYpJeU6F3iHA4rJPIh1cLWS9 Aq9BtM51pkJwSnZEZ4D2oga1JY0Zp2iJW11ICYHSQJhk14KH7OjpUik4Upo9o1wKaf9fUOh csUKDEPrOAxzoYTgVrySw== X-UI-Out-Filterresults: notjunk:1; V01:K0:vJ4r2fWp9aY=:XT5pfWNQXud8CanLSF26Fa /8rTkzxGxqHfUbH2fixPVmjpW+x85hpUGk7wAGc/iNWRy2gxnQe349OqUtR0645P/AqmUbTB1 MFKjzDTsLxOEWRac8MKYAmgDEqlU1W3gT7WIXbrsRBDgVBx+vf0GRMkGj19V4s3SaIWyy0d6T SckEvJWEEVBvAPDFG4zS/U7RNqEqGFY/VfsyF/uXuxUqA/yXe6+WPKRyoXm0WmxlDMMxOPMon Suse2A8MSpJsrf45kIdEX1K1B4p8TxOXh7Kv6QF/LsVYpJqj9DCGCzi5iF48IpmUy/f+OcdDc J1cPTj4mGFd9BlE7RI/JsPQqEAIdmPhI8d12j7RhWvc9pnHEEbMsRPkcx5NxlEIQtRjQhuGLx 5Tu/UwdVyl86PZuZOa3ZCwb1npfg3hQhjIsD/43z7fXzUsfMXss8Izr3r7rq+U37PheS4XmhY 5bNfDplhg0flxqoKP7cPhdB4iYSyYuLvx+ZsazOgSxlg7R3p0VrA6/pXdR4CqTN72c6EDP/sY qWRnxlePQaAC7putdHX3xKA6WZn8vRoXOR37VwH7BRUaZ035zBA06WYa7VxxdYKAtNgqNDzfF DYD8ycSAgZCP/MXC2PWTD/0ttlIiM6M/Y0c8tcJIXDP5o9UrlyY8+fuybmTscIeGXVL5sJe0D q1Idy3YhXBJeuS0x2jDLWohPMlvGBCLmEQ8ENOzk0RgA2Fa4wz32WCPaJz2UT9g45CTs= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When the arm-cci driver is enabled, but both CONFIG_ARM_CCI5xx_PMU and CONFIG_ARM_CCI400_PMU are not, we get a warning about how parts of the driver are never used: drivers/perf/arm-cci.c:1454:29: error: 'cci_pmu_models' defined but not used [-Werror=unused-variable] drivers/perf/arm-cci.c:693:16: error: 'cci_pmu_event_show' defined but not used [-Werror=unused-function] drivers/perf/arm-cci.c:685:16: error: 'cci_pmu_format_show' defined but not used [-Werror=unused-function] Marking all three functions as __maybe_unused avoids the warnings in randconfig builds. I'm doing this lacking any ideas for a better fix. Fixes: 3de6be7a3dd8 ("drivers/bus: Split Arm CCI driver") Signed-off-by: Arnd Bergmann --- drivers/perf/arm-cci.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) -- 2.9.0 Reviewed-by: Robin Murphy diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c index e6fadc8e1178..0d09d8e669cd 100644 --- a/drivers/perf/arm-cci.c +++ b/drivers/perf/arm-cci.c @@ -120,9 +120,9 @@ enum cci_models { static void pmu_write_counters(struct cci_pmu *cci_pmu, unsigned long *mask); -static ssize_t cci_pmu_format_show(struct device *dev, +static ssize_t __maybe_unused cci_pmu_format_show(struct device *dev, struct device_attribute *attr, char *buf); -static ssize_t cci_pmu_event_show(struct device *dev, +static ssize_t __maybe_unused cci_pmu_event_show(struct device *dev, struct device_attribute *attr, char *buf); #define CCI_EXT_ATTR_ENTRY(_name, _func, _config) \ @@ -1451,7 +1451,7 @@ static int cci_pmu_offline_cpu(unsigned int cpu) return 0; } -static struct cci_pmu_model cci_pmu_models[] = { +static __maybe_unused struct cci_pmu_model cci_pmu_models[] = { #ifdef CONFIG_ARM_CCI400_PMU [CCI400_R0] = { .name = "CCI_400",