From patchwork Tue Oct 28 21:25:38 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 5181251 Return-Path: X-Original-To: patchwork-dmaengine@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 F3D5DC11AC for ; Tue, 28 Oct 2014 21:45:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DBFC92015A for ; Tue, 28 Oct 2014 21:45:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EC55C20149 for ; Tue, 28 Oct 2014 21:45:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754945AbaJ1VaX (ORCPT ); Tue, 28 Oct 2014 17:30:23 -0400 Received: from down.free-electrons.com ([37.187.137.238]:37019 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751141AbaJ1VaV (ORCPT ); Tue, 28 Oct 2014 17:30:21 -0400 Received: by mail.free-electrons.com (Postfix, from userid 106) id D1F5B4748; Tue, 28 Oct 2014 22:30:21 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost (per18-1-82-246-202-189.fbx.proxad.net [82.246.202.189]) by mail.free-electrons.com (Postfix) with ESMTPSA id 674524734; Tue, 28 Oct 2014 22:30:21 +0100 (CET) From: Maxime Ripard To: Vinod Koul , dmaengine@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Laurent Pinchart , =?UTF-8?q?Antoine=20T=C3=A9nart?= , Russell King , lars@metafoo.de, Maxime Ripard Subject: [PATCH v4 23/58] dmaengine: intel-mid-dma: Split device_control Date: Tue, 28 Oct 2014 22:25:38 +0100 Message-Id: <1414531573-18807-24-git-send-email-maxime.ripard@free-electrons.com> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1414531573-18807-1-git-send-email-maxime.ripard@free-electrons.com> References: <1414531573-18807-1-git-send-email-maxime.ripard@free-electrons.com> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Split the device_control callback of the Intel MID DMA driver to make use of the newly introduced callbacks, that will eventually be used to retrieve slave capabilities. Signed-off-by: Maxime Ripard --- drivers/dma/intel_mid_dma.c | 25 ++++++------------------- 1 file changed, 6 insertions(+), 19 deletions(-) diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c index 1aab8130efa1..5aaead9b56f7 100644 --- a/drivers/dma/intel_mid_dma.c +++ b/drivers/dma/intel_mid_dma.c @@ -492,10 +492,10 @@ static enum dma_status intel_mid_dma_tx_status(struct dma_chan *chan, return ret; } -static int dma_slave_control(struct dma_chan *chan, unsigned long arg) +static int intel_mid_dma_config(struct dma_chan *chan, + struct dma_slave_config *slave) { struct intel_mid_dma_chan *midc = to_intel_mid_dma_chan(chan); - struct dma_slave_config *slave = (struct dma_slave_config *)arg; struct intel_mid_dma_slave *mid_slave; BUG_ON(!midc); @@ -509,28 +509,14 @@ static int dma_slave_control(struct dma_chan *chan, unsigned long arg) midc->mid_slave = mid_slave; return 0; } -/** - * intel_mid_dma_device_control - DMA device control - * @chan: chan for DMA control - * @cmd: control cmd - * @arg: cmd arg value - * - * Perform DMA control command - */ -static int intel_mid_dma_device_control(struct dma_chan *chan, - enum dma_ctrl_cmd cmd, unsigned long arg) + +static int intel_mid_dma_terminate_all(struct dma_chan *chan) { struct intel_mid_dma_chan *midc = to_intel_mid_dma_chan(chan); struct middma_device *mid = to_middma_device(chan->device); struct intel_mid_dma_desc *desc, *_desc; union intel_mid_dma_cfg_lo cfg_lo; - if (cmd == DMA_SLAVE_CONFIG) - return dma_slave_control(chan, arg); - - if (cmd != DMA_TERMINATE_ALL) - return -ENXIO; - spin_lock_bh(&midc->lock); if (midc->busy == false) { spin_unlock_bh(&midc->lock); @@ -1148,7 +1134,8 @@ static int mid_setup_dma(struct pci_dev *pdev) dma->common.device_prep_dma_memcpy = intel_mid_dma_prep_memcpy; dma->common.device_issue_pending = intel_mid_dma_issue_pending; dma->common.device_prep_slave_sg = intel_mid_dma_prep_slave_sg; - dma->common.device_control = intel_mid_dma_device_control; + dma->common.device_config = intel_mid_dma_config; + dma->common.device_terminate_all = intel_mid_dma_terminate_all; /*enable dma cntrl*/ iowrite32(REG_BIT0, dma->dma_base + DMA_CFG);