From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D4EEC2BB48 for ; Fri, 11 Dec 2020 01:06:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC6DB23DE5 for ; Fri, 11 Dec 2020 01:06:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394258AbgLKBFr (ORCPT ); Thu, 10 Dec 2020 20:05:47 -0500 Received: from mga12.intel.com ([192.55.52.136]:54564 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387655AbgLKBEd (ORCPT ); Thu, 10 Dec 2020 20:04:33 -0500 IronPort-SDR: 5oh9kmKQcNrbE4Rer8y1YkjU4gLhVeuUEFHXjH0f7n52dOdO+rHhdXTuqzxpweNbJtkYAA8/4z t2r+5K/L64Lg== X-IronPort-AV: E=McAfee;i="6000,8403,9831"; a="153592398" X-IronPort-AV: E=Sophos;i="5.78,409,1599548400"; d="scan'208";a="153592398" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Dec 2020 17:03:52 -0800 IronPort-SDR: UmvTYQuaz+Kk4zL0Fx8hxhvsvMBe1DZgKlPGzjorpP50o81nx2DJgmjGi5d+oj8fNy8pHOpktn t59bpiaDJTHg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,409,1599548400"; d="scan'208";a="320965660" Received: from jsia-hp-z620-workstation.png.intel.com ([10.221.118.135]) by fmsmga007.fm.intel.com with ESMTP; 10 Dec 2020 17:03:50 -0800 From: Sia Jee Heng To: vkoul@kernel.org, Eugeniy.Paltsev@synopsys.com, robh+dt@kernel.org Cc: andriy.shevchenko@linux.intel.com, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v6 04/16] dmaengine: dw-axi-dmac: Add device_synchronize() callback Date: Fri, 11 Dec 2020 08:46:30 +0800 Message-Id: <20201211004642.25393-5-jee.heng.sia@intel.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20201211004642.25393-1-jee.heng.sia@intel.com> References: <20201211004642.25393-1-jee.heng.sia@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for device_synchronize() callback function to sync with dmaengine_terminate_sync(). Reviewed-by: Andy Shevchenko Signed-off-by: Sia Jee Heng --- drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index 46e2ba978e20..56b213211341 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -347,6 +347,13 @@ static void dma_chan_issue_pending(struct dma_chan *dchan) spin_unlock_irqrestore(&chan->vc.lock, flags); } +static void dw_axi_dma_synchronize(struct dma_chan *dchan) +{ + struct axi_dma_chan *chan = dchan_to_axi_dma_chan(dchan); + + vchan_synchronize(&chan->vc); +} + static int dma_chan_alloc_chan_resources(struct dma_chan *dchan) { struct axi_dma_chan *chan = dchan_to_axi_dma_chan(dchan); @@ -940,6 +947,7 @@ static int dw_probe(struct platform_device *pdev) dw->dma.device_free_chan_resources = dma_chan_free_chan_resources; dw->dma.device_prep_dma_memcpy = dma_chan_prep_dma_memcpy; + dw->dma.device_synchronize = dw_axi_dma_synchronize; platform_set_drvdata(pdev, chip); -- 2.18.0