From patchwork Thu Feb 13 20:36:29 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 3647951 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 0D1F1BF13A for ; Thu, 13 Feb 2014 20:42:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 368702020E for ; Thu, 13 Feb 2014 20:42:55 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 21CE020204 for ; Thu, 13 Feb 2014 20:42:54 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WE377-00060z-SA; Thu, 13 Feb 2014 20:42:30 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WE32G-00046y-C3; Thu, 13 Feb 2014 20:37:28 +0000 Received: from sauhun.de ([89.238.76.85] helo=pokefinder.org) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WE32B-00044w-IF for linux-arm-kernel@lists.infradead.org; Thu, 13 Feb 2014 20:37:24 +0000 Received: from p4fe2512f.dip0.t-ipconnect.de ([79.226.81.47]:58893 helo=localhost) by pokefinder.org with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.69) (envelope-from ) id 1WE31f-0008Cb-V0; Thu, 13 Feb 2014 21:36:52 +0100 From: Wolfram Sang To: Gregory CLEMENT Subject: [PATCH 1/5] i2c: mv64xxx: put offload check into offload prepare function Date: Thu, 13 Feb 2014 21:36:29 +0100 Message-Id: <1392323793-4125-2-git-send-email-wsa@the-dreams.de> X-Mailer: git-send-email 1.8.5.1 In-Reply-To: <1392323793-4125-1-git-send-email-wsa@the-dreams.de> References: <20140213094117.GA3934@katana> <1392323793-4125-1-git-send-email-wsa@the-dreams.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140213_153723_839938_456D6A80 X-CRM114-Status: UNSURE ( 8.80 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) Cc: Thomas Petazzoni , Andrew Lunn , Kevin Hilman , Jason Cooper , Wolfram Sang , linux-i2c@vger.kernel.org, Ezequiel Garcia , linux-arm-kernel@lists.infradead.org, Sebastian Hesselbarth X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP It makes code simpler to read and prepares a reorganization needed for a bugfix. Signed-off-by: Wolfram Sang Tested-by: Gregory CLEMENT --- drivers/i2c/busses/i2c-mv64xxx.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index b8c5187..ba64978 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -204,6 +204,9 @@ static int mv64xxx_i2c_offload_msg(struct mv64xxx_i2c_data *drv_data) unsigned long ctrl_reg; struct i2c_msg *msg = drv_data->msgs; + if (!drv_data->offload_enabled) + return -EOPNOTSUPP; + drv_data->msg = msg; drv_data->byte_posn = 0; drv_data->bytes_left = msg->len; @@ -433,8 +436,7 @@ mv64xxx_i2c_do_action(struct mv64xxx_i2c_data *drv_data) drv_data->msgs++; drv_data->num_msgs--; - if (!(drv_data->offload_enabled && - mv64xxx_i2c_offload_msg(drv_data))) { + if (mv64xxx_i2c_offload_msg(drv_data) < 0) { drv_data->cntl_bits |= MV64XXX_I2C_REG_CONTROL_START; writel(drv_data->cntl_bits, drv_data->reg_base + drv_data->reg_offsets.control);