From patchwork Thu Sep 18 17:08:54 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 4932941 Return-Path: X-Original-To: patchwork-linux-spi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BC4B29F32F for ; Thu, 18 Sep 2014 17:10:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AA59E201EC for ; Thu, 18 Sep 2014 17:10:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E0EA3201B9 for ; Thu, 18 Sep 2014 17:10:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932389AbaIRRKo (ORCPT ); Thu, 18 Sep 2014 13:10:44 -0400 Received: from mga01.intel.com ([192.55.52.88]:19696 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932239AbaIRRKo (ORCPT ); Thu, 18 Sep 2014 13:10:44 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 18 Sep 2014 10:09:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,548,1406617200"; d="scan'208";a="601729587" Received: from smile.fi.intel.com (HELO smile) ([10.237.72.168]) by fmsmga002.fm.intel.com with ESMTP; 18 Sep 2014 10:09:03 -0700 Received: from andy by smile with local (Exim 4.84) (envelope-from ) id 1XUfCY-0000lK-DI; Thu, 18 Sep 2014 20:09:02 +0300 From: Andy Shevchenko To: Vinod Koul , Mark Brown , dmaengine@vger.kernel.org, linux-spi@vger.kernel.org Cc: Andy Shevchenko Subject: [PATCH 04/10] spi: dw-mid: follow new DMAengine workflow Date: Thu, 18 Sep 2014 20:08:54 +0300 Message-Id: <1411060140-2801-5-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1411060140-2801-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1411060140-2801-1-git-send-email-andriy.shevchenko@linux.intel.com> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Though intel-mid-dma does not follow a new DMA workflow let's prepare SPI DW driver for that. Signed-off-by: Andy Shevchenko --- drivers/spi/spi-dw-mid.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c index 27150c7..a62413d 100644 --- a/drivers/spi/spi-dw-mid.c +++ b/drivers/spi/spi-dw-mid.c @@ -152,7 +152,7 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change) &dws->tx_sgl, 1, DMA_MEM_TO_DEV, - DMA_PREP_INTERRUPT); + DMA_PREP_INTERRUPT | DMA_CTRL_ACK); txdesc->callback = dw_spi_dma_done; txdesc->callback_param = dws; @@ -175,13 +175,17 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change) &dws->rx_sgl, 1, DMA_DEV_TO_MEM, - DMA_PREP_INTERRUPT); + DMA_PREP_INTERRUPT | DMA_CTRL_ACK); rxdesc->callback = dw_spi_dma_done; rxdesc->callback_param = dws; /* rx must be started before tx due to spi instinct */ rxdesc->tx_submit(rxdesc); txdesc->tx_submit(txdesc); + + dma_async_issue_pending(rxchan); + dma_async_issue_pending(txchan); + return 0; }