From patchwork Tue Jan 5 00:42:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sia Jee Heng X-Patchwork-Id: 11997919 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 E20D1C4332B for ; Tue, 5 Jan 2021 01:01:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A319422581 for ; Tue, 5 Jan 2021 01:01:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728361AbhAEBBL (ORCPT ); Mon, 4 Jan 2021 20:01:11 -0500 Received: from mga05.intel.com ([192.55.52.43]:29970 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728261AbhAEBBJ (ORCPT ); Mon, 4 Jan 2021 20:01:09 -0500 IronPort-SDR: ZhsTpMs0/Jso3nyjvE5NqbrwTF6BSR/0iIQB55SCiZbb1WmFtd99iFIDdV7mGl9SPeCDleqOUb a3FVliyWAFCw== X-IronPort-AV: E=McAfee;i="6000,8403,9854"; a="261794104" X-IronPort-AV: E=Sophos;i="5.78,475,1599548400"; d="scan'208";a="261794104" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2021 17:00:19 -0800 IronPort-SDR: Qb1wz0hYfFExmFgYBVWgQ3CQ2RmwpAfnqyZt4TAvh1zrrz5cYHMagWanBzs3Ysxw29E/z9Z+Ym i7FyGi/naJKw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,475,1599548400"; d="scan'208";a="569540190" Received: from jsia-hp-z620-workstation.png.intel.com ([10.221.118.135]) by fmsmga005.fm.intel.com with ESMTP; 04 Jan 2021 17:00:17 -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 v9 04/16] dmaengine: dw-axi-dmac: Add device_synchronize() callback Date: Tue, 5 Jan 2021 08:42:54 +0800 Message-Id: <20210105004306.13588-5-jee.heng.sia@intel.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210105004306.13588-1-jee.heng.sia@intel.com> References: <20210105004306.13588-1-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 3737e1c3c793..241ab7a24e2a 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);