From patchwork Fri Sep 4 09:51:34 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: 11756499 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9F87F15AB for ; Fri, 4 Sep 2020 10:07:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8896020791 for ; Fri, 4 Sep 2020 10:07:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728588AbgIDKH2 (ORCPT ); Fri, 4 Sep 2020 06:07:28 -0400 Received: from mga09.intel.com ([134.134.136.24]:2059 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729942AbgIDKH1 (ORCPT ); Fri, 4 Sep 2020 06:07:27 -0400 IronPort-SDR: bu3x2HJpP34LYGDk/SwwCvBycSafQJjc7EQHo3TyfDEUKBzlVXOQ9by+bnLBC+MMetu+ISxWKB FCPaC9YXikLQ== X-IronPort-AV: E=McAfee;i="6000,8403,9733"; a="158697582" X-IronPort-AV: E=Sophos;i="5.76,389,1592895600"; d="scan'208";a="158697582" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Sep 2020 03:07:27 -0700 IronPort-SDR: W41n90XDb6WLbwcMU+CW4y7G7kO9wGKw259qQCx0SBxoi2ExT90gT16hc6oEvGzpQbo40T9mv8 Lun26Ww+G+RA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,389,1592895600"; d="scan'208";a="342143679" Received: from unknown (HELO jsia-HP-Z620-Workstation.png.intel.com) ([10.221.118.135]) by orsmga007.jf.intel.com with ESMTP; 04 Sep 2020 03:07:25 -0700 From: Sia Jee Heng To: Cc: , , , Subject: [PATCH 4/4] dmaengine: dw-axi-dmac: Add device_synchronize() callback Date: Fri, 4 Sep 2020 17:51:34 +0800 Message-Id: <1599213094-30144-5-git-send-email-jee.heng.sia@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1599213094-30144-1-git-send-email-jee.heng.sia@intel.com> References: <1599213094-30144-1-git-send-email-jee.heng.sia@intel.com> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Add support for device_synchronize() callback function to sync with dmaengine_terminate_sync(). Signed-off-by: Sia Jee Heng Reviewed-by: Shevchenko, Andriy --- 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 46e2ba9..56b2132 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);