From patchwork Thu Sep 29 13:09:21 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baoyou Xie X-Patchwork-Id: 77131 Delivered-To: patch@linaro.org Received: by 10.140.106.72 with SMTP id d66csp337718qgf; Thu, 29 Sep 2016 06:09:43 -0700 (PDT) X-Received: by 10.98.19.26 with SMTP id b26mr2312718pfj.1.1475154583752; Thu, 29 Sep 2016 06:09:43 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id ez7si14359371pab.6.2016.09.29.06.09.43; Thu, 29 Sep 2016 06:09:43 -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; dkim=pass header.i=@linaro.org; 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; dmarc=pass (p=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933466AbcI2NJl (ORCPT + 27 others); Thu, 29 Sep 2016 09:09:41 -0400 Received: from mail-pa0-f41.google.com ([209.85.220.41]:33001 "EHLO mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932961AbcI2NJk (ORCPT ); Thu, 29 Sep 2016 09:09:40 -0400 Received: by mail-pa0-f41.google.com with SMTP id cd13so24548851pac.0 for ; Thu, 29 Sep 2016 06:09:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=UDkJfBj/zYh04zF9qL0miou7xyhc2RMrv5DPVuHgxys=; b=ZQgMPqIW7Q6N0vezYsvvPrnDBNfEqTE2LSFFxAFl83CDfIdJaOWvlKe1j1FyOLhV9Z sz4nN46FkLu8UWicb/p9X56jAUmG6U2etQaveVezXVy/0o4kq+aOx9bzQgIGC5MXM1Tp fsAW0Z2zjLpNRBxfH8AS4mC//WoLFnsF5q0vU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=UDkJfBj/zYh04zF9qL0miou7xyhc2RMrv5DPVuHgxys=; b=iXaAyHR8d5aXQg7EltgLD1M37nZBNwLJfMKZ0l5bCXNpQKTpvTo734LHz0J/wm1fLp CAPp0APhYKbhIoAcx1e0wuiOy+Rq5al69Ju0lykoE0zuJN97+npYXcFX4SbGygFtRof6 G/OTG8gKj44OhdYrE1HsVJ+hUjZrEA262unOUeCTKumvl5JWRrpQy7VoNd7r5SNCeej3 WGfKjYx+SNZu2GzN9UA+1h16kC2J7dKRgWxE/qAbJ/2ZIDit3VaYy93JZa+dGJz+ti4W ev98naeoNcETgccEoSRG+Hr39UUsHaepKD5fT4RwGqiJFnusb62GbABz9R5xEy/FJhFV 2XOw== X-Gm-Message-State: AA6/9RlNPM1aD0/0CvM/mZUF2DSkEMB7KcY8P4I8MP4Bzj5Ue0O0In7ZU77EKzbTxoLf0iaJ X-Received: by 10.66.149.138 with SMTP id ua10mr2322421pab.146.1475154579385; Thu, 29 Sep 2016 06:09:39 -0700 (PDT) Received: from localhost.localdomain ([45.56.152.33]) by smtp.gmail.com with ESMTPSA id x9sm20364786pff.19.2016.09.29.06.09.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 29 Sep 2016 06:09:38 -0700 (PDT) From: Baoyou Xie To: daniel@zonque.org, haojian.zhuang@gmail.com, robert.jarzmik@free.fr, vinod.koul@intel.com, dan.j.williams@intel.com Cc: linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, arnd@arndb.de, baoyou.xie@linaro.org, xie.baoyou@zte.com.cn, han.fei@zte.com.cn, tang.qiang007@zte.com.cn Subject: [PATCH] dmaengine: pxa_dma: remove unused function Date: Thu, 29 Sep 2016 21:09:21 +0800 Message-Id: <1475154561-12327-1-git-send-email-baoyou.xie@linaro.org> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We get 1 warning when building kernel with W=1: drivers/dma/pxa_dma.c:1525:5: warning: no previous prototype for 'pxad_toggle_reserved_channel' [-Wmissing-prototypes] In fact, this function is called by no one, so this patch removes it. Signed-off-by: Baoyou Xie --- drivers/dma/pxa_dma.c | 9 --------- 1 file changed, 9 deletions(-) -- 2.7.4 diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c index 3f56f9c..7d9b1cc 100644 --- a/drivers/dma/pxa_dma.c +++ b/drivers/dma/pxa_dma.c @@ -1522,15 +1522,6 @@ bool pxad_filter_fn(struct dma_chan *chan, void *param) } EXPORT_SYMBOL_GPL(pxad_filter_fn); -int pxad_toggle_reserved_channel(int legacy_channel) -{ - if (legacy_unavailable & (BIT(legacy_channel))) - return -EBUSY; - legacy_reserved ^= BIT(legacy_channel); - return 0; -} -EXPORT_SYMBOL_GPL(pxad_toggle_reserved_channel); - module_platform_driver(pxad_driver); MODULE_DESCRIPTION("Marvell PXA Peripheral DMA Driver");