From patchwork Fri Jan 29 14:06:33 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 101029 Delivered-To: patch@linaro.org Received: by 10.112.130.2 with SMTP id oa2csp1139693lbb; Fri, 29 Jan 2016 06:08:44 -0800 (PST) X-Received: by 10.98.68.220 with SMTP id m89mr13556599pfi.65.1454076524537; Fri, 29 Jan 2016 06:08:44 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z26si24532268pfa.30.2016.01.29.06.08.44; Fri, 29 Jan 2016 06:08:44 -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 S932432AbcA2OIi (ORCPT + 30 others); Fri, 29 Jan 2016 09:08:38 -0500 Received: from mout.kundenserver.de ([217.72.192.75]:56422 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932363AbcA2OIe (ORCPT ); Fri, 29 Jan 2016 09:08:34 -0500 Received: from wuerfel.lan. ([78.42.132.4]) by mrelayeu.kundenserver.de (mreue104) with ESMTPA (Nemesis) id 0MLyNI-1aSS2e0tkS-007iJj; Fri, 29 Jan 2016 15:08:08 +0100 From: Arnd Bergmann To: Robert Jarzmik Cc: linux-arm-kernel@lists.infradead.org, Arnd Bergmann , Haojian Zhuang , Daniel Mack , Eric Miao , linux-kernel@vger.kernel.org Subject: [PATCH 9/9] ARM: mmp: mark usb_dma_mask as __maybe_unused Date: Fri, 29 Jan 2016 15:06:33 +0100 Message-Id: <1454076396-3563101-10-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1454076396-3563101-1-git-send-email-arnd@arndb.de> References: <1454076396-3563101-1-git-send-email-arnd@arndb.de> X-Provags-ID: V03:K0:W30bAQfQ2D/dyVyj4WEWMcOGlNSEO1qwFbfvQ7Ogf6K2vRsbOxv 6rZCDpkYtAl/KYwwC/k/x9k75UvDsCsv6+qR+Rc3mdjuJuYnFpSh7yfzbQs2GlEtqVj4O83 JrU2pnCtOeXrwsy3LAcjYnyG09APpVZL4gCvi6nSmbE4VTsT3qbXT5tclR0XJ614u0xR+ZC qG++kwOmCytM5H80bJaLA== X-UI-Out-Filterresults: notjunk:1; V01:K0:Psh/xgCGpsY=:2XRuR67UKCR7CVkXxc0T+a nlR6SSuzAxfbqMfhmIez4sXMNnLNJyqpfY1hByLK1hZo3ard6ubG4KBeJRRVA3nVeXwr5aRHX UR6Z20t6hu7iH+mMBU70G1Tbj501Y3VkBXt72uuWPNSBJ/cGOCR8+OoeDeIEsJJkyQnM1t6QE gm2qtPB4GJ5CDrYZCI+wbtGJ0C8ApOXJ/FXySOE9cFA/dlkG4XXj6UueHYGXqwn5B5T3aWlng 8XhM8KU2+TzV6rkptN9MSNlyqOVFm3+/eDW7fl/aU8N0YKj3bhOkbgmCAOiezp2YZ3VHJ1bJQ lJQMRNp5PzxjUKTGuaqMWpgrqdkRK2jW+MkoxevGg1nVJsdfTACzlx1viMhHM49hODq3E6sgD jg49Qriat12r9dEykCi9zis+l2QrFB4mVdMkcO7YJ0A1VX8LB3+9deSq7MJje0XoS/8vftpCs o7MVf+7mu6P5HcKtZnJxvUuemkkjadlT2vbtFeuEfgjUf7DluthjbYn01XMKtrsQGsW3cEdCM BRIn/HByMx3ZY6nmUCECf1/jEnulITl4Iy18ViDDsra/dBz9LfytlRdl6MDdStGYkHG2doshs tNvz7WAzhi909rEaf5cM5J+KhfSLU6HDnV8w+icbzQqewLPjgKHpRUmxnwS2C76WQ75oYnsVB UWE7LdUWVCPL/BwTiwKdKL5Y9EAL9No+Zi4umFEV6tH9qv/JUET/VzMhDNdRNV0xF8wI= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This variable may be used by some devices that each have their on Kconfig symbol, or by none of them, and that causes a build warning: arch/arm/mach-mmp/devices.c:241:12: error: 'usb_dma_mask' defined but not used [-Werror=unused-variable] Marking it __maybe_unused avoids the warning. Signed-off-by: Arnd Bergmann --- arch/arm/mach-mmp/devices.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.7.0 diff --git a/arch/arm/mach-mmp/devices.c b/arch/arm/mach-mmp/devices.c index 3330ac7cfbef..671c7a09ab3d 100644 --- a/arch/arm/mach-mmp/devices.c +++ b/arch/arm/mach-mmp/devices.c @@ -238,7 +238,7 @@ void pxa_usb_phy_deinit(void __iomem *phy_reg) #endif #if IS_ENABLED(CONFIG_USB_SUPPORT) -static u64 usb_dma_mask = ~(u32)0; +static u64 __maybe_unused usb_dma_mask = ~(u32)0; #if IS_ENABLED(CONFIG_USB_MV_UDC) struct resource pxa168_u2o_resources[] = {