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: 9356427 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 7C5F4600C8 for ; Thu, 29 Sep 2016 13:11:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6E72929A04 for ; Thu, 29 Sep 2016 13:11:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 631B529A0A; Thu, 29 Sep 2016 13:11:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, HK_RANDOM_FROM, RCVD_IN_DNSWL_MED, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DA45E29A04 for ; Thu, 29 Sep 2016 13:11:42 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bpb6F-0006rF-7p; Thu, 29 Sep 2016 13:10:07 +0000 Received: from mail-pa0-x22e.google.com ([2607:f8b0:400e:c03::22e]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bpb68-0006mS-Oj for linux-arm-kernel@lists.infradead.org; Thu, 29 Sep 2016 13:10:02 +0000 Received: by mail-pa0-x22e.google.com with SMTP id dw4so14103175pac.1 for ; Thu, 29 Sep 2016 06:09:40 -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=moaIQ5GeehT/VKrEZ1P7nLrGehAqjE5D/DUa1euaC61MVFQYbyQ+jVxxJhJvvtY4bx CwsAX9OKIgunVKGPyhXqHl/LX5psGJgbq1nAXvnvVJijjoaEG/HarAH4JJI6+/sopRck RQFG/nIbfzifG+E8w5563bqqw5InFSvB57XS95rv2bSNcE/dCvHT2VxQkmYYFsth3CVh GemoRugx08D0FYOyvcLH7oQZiPYlnlxeFT9sB+1tw85vAj4nAl3NZ4RqKFXH0d1ChoMT 0wphgzJCnvZQ+YFwmaA/0VQsWWt961y9a5hCC/H09+Di9vr6I+PQzSE6wQ4ke/G5d+fR lQkA== X-Gm-Message-State: AA6/9RnVhTy8SfMAhoJjzYxNlZR7ruts1gM0tVol22BY7H9bGoMPlmhffqKozMJp6u+Ase1a 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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160929_061000_886348_89BA75BE X-CRM114-Status: UNSURE ( 9.29 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: arnd@arndb.de, tang.qiang007@zte.com.cn, xie.baoyou@zte.com.cn, linux-kernel@vger.kernel.org, han.fei@zte.com.cn, dmaengine@vger.kernel.org, baoyou.xie@linaro.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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(-) 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");