From patchwork Tue Oct 27 06:38:47 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: 11859493 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=-12.8 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 49113C4363A for ; Tue, 27 Oct 2020 06:55:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0CD1622263 for ; Tue, 27 Oct 2020 06:55:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2506903AbgJ0Gza (ORCPT ); Tue, 27 Oct 2020 02:55:30 -0400 Received: from mga02.intel.com ([134.134.136.20]:42071 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2506901AbgJ0Gz3 (ORCPT ); Tue, 27 Oct 2020 02:55:29 -0400 IronPort-SDR: LB3G5qhfQ3GDZPzXBqjkL9+GG5jSNIpn/bX1tGbvVGTTn2/fetnanNHSEtZfGsMM82i/jyL2t6 YP4Sm9O0MICg== X-IronPort-AV: E=McAfee;i="6000,8403,9786"; a="155004148" X-IronPort-AV: E=Sophos;i="5.77,422,1596524400"; d="scan'208";a="155004148" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Oct 2020 23:55:28 -0700 IronPort-SDR: 3IFCacH7NW+ShNRjFhb/Z00mqBgfsU6vmAQ+FEURl/dtNDz3g7lH4GnXl4uRo3RarLDdOeZJA4 gif46f8Zp90w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,422,1596524400"; d="scan'208";a="350175850" Received: from jsia-hp-z620-workstation.png.intel.com ([10.221.118.135]) by orsmga008.jf.intel.com with ESMTP; 26 Oct 2020 23:55:26 -0700 From: Sia Jee Heng To: vkoul@kernel.org, Eugeniy.Paltsev@synopsys.com Cc: andriy.shevchenko@linux.intel.com, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 04/15] dmaengine: dw-axi-dmac: Add device_synchronize() callback Date: Tue, 27 Oct 2020 14:38:47 +0800 Message-Id: <20201027063858.4877-5-jee.heng.sia@intel.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20201027063858.4877-1-jee.heng.sia@intel.com> References: <20201027063858.4877-1-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);