From patchwork Thu Sep 15 17:33:46 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 9334411 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 5A1E5601C2 for ; Thu, 15 Sep 2016 17:26:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4CD5629AA7 for ; Thu, 15 Sep 2016 17:26:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 41C4229AAF; Thu, 15 Sep 2016 17:26:28 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F01A629AA7 for ; Thu, 15 Sep 2016 17:26:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752174AbcIOR01 (ORCPT ); Thu, 15 Sep 2016 13:26:27 -0400 Received: from mga14.intel.com ([192.55.52.115]:5896 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752068AbcIOR01 (ORCPT ); Thu, 15 Sep 2016 13:26:27 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga103.fm.intel.com with ESMTP; 15 Sep 2016 10:26:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.30,340,1470726000"; d="scan'208";a="1030730784" Received: from vkoul-udesk7.iind.intel.com ([10.223.84.143]) by orsmga001.jf.intel.com with ESMTP; 15 Sep 2016 10:26:25 -0700 From: Vinod Koul To: dmaengine@vger.kernel.org Cc: Arnd Bergmann , Vinod Koul , Linus Walleij Subject: [PATCH 07/30] dmaengine: coh901318: return ssize_t for coh901318_debugfs_read Date: Thu, 15 Sep 2016 23:03:46 +0530 Message-Id: <1473960849-23024-8-git-send-email-vinod.koul@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1473960849-23024-1-git-send-email-vinod.koul@intel.com> References: <1473960849-23024-1-git-send-email-vinod.koul@intel.com> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The file_operations.read expects return as ssize_t, so update coh901318_debugfs_read to return ssize_t to fix the warning: drivers/dma/coh901318.c:1369:2: warning: initialization from incompatible pointer type [enabled by default] .read = coh901318_debugfs_read, Cc: Linus Walleij Signed-off-by: Vinod Koul --- drivers/dma/coh901318.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c index c0cd1d8e5b2e..57619adf79b4 100644 --- a/drivers/dma/coh901318.c +++ b/drivers/dma/coh901318.c @@ -1335,7 +1335,7 @@ static void coh901318_list_print(struct coh901318_chan *cohc, static struct coh901318_base *debugfs_dma_base; static struct dentry *dma_dentry; -static int coh901318_debugfs_read(struct file *file, char __user *buf, +static ssize_t coh901318_debugfs_read(struct file *file, char __user *buf, size_t count, loff_t *f_pos) { u64 started_channels = debugfs_dma_base->pm.started_channels;