From patchwork Thu Nov 12 08:49:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sia Jee Heng X-Patchwork-Id: 11899439 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 768FCC55ABD for ; Thu, 12 Nov 2020 09:06:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2BEC8216FD for ; Thu, 12 Nov 2020 09:06:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726140AbgKLJG5 (ORCPT ); Thu, 12 Nov 2020 04:06:57 -0500 Received: from mga11.intel.com ([192.55.52.93]:52979 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727647AbgKLJGb (ORCPT ); Thu, 12 Nov 2020 04:06:31 -0500 IronPort-SDR: IecaVduCIifXSL/UfldSznzc1PDK0y7XEch2SJfGqM1kFO0sNkO6UZV8hKL8X3nLQPlPhwd6cL SAx8jxnhkA/A== X-IronPort-AV: E=McAfee;i="6000,8403,9802"; a="166773035" X-IronPort-AV: E=Sophos;i="5.77,471,1596524400"; d="scan'208";a="166773035" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Nov 2020 01:06:30 -0800 IronPort-SDR: pbpvAsHk6/SRr+r4dG6bTRnOliqOLc8VL3+KmNQ98ADaHw+A9wNWJSDuq0MnocZObT+J+kKdRO EIF4gPS14HYw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,471,1596524400"; d="scan'208";a="360911518" Received: from jsia-hp-z620-workstation.png.intel.com ([10.221.118.135]) by fmsmga002.fm.intel.com with ESMTP; 12 Nov 2020 01:06:28 -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 v3 04/15] dmaengine: dw-axi-dmac: Add device_synchronize() callback Date: Thu, 12 Nov 2020 16:49:42 +0800 Message-Id: <20201112084953.21629-5-jee.heng.sia@intel.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20201112084953.21629-1-jee.heng.sia@intel.com> References: <20201112084953.21629-1-jee.heng.sia@intel.com> Precedence: bulk List-ID: X-Mailing-List: dmaengine@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);