From patchwork Fri Feb 7 13:11:32 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 3604451 Return-Path: X-Original-To: patchwork-linux-samsung-soc@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 2B9919F2E9 for ; Fri, 7 Feb 2014 13:12:01 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5159520163 for ; Fri, 7 Feb 2014 13:12:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7B91E200BE for ; Fri, 7 Feb 2014 13:11:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753837AbaBGNLx (ORCPT ); Fri, 7 Feb 2014 08:11:53 -0500 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:37819 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753670AbaBGNLv (ORCPT ); Fri, 7 Feb 2014 08:11:51 -0500 Received: from cpc11-sgyl31-2-0-cust68.sgyl.cable.virginm.net ([94.175.92.69] helo=debutante.sirena.org.uk) by mezzanine.sirena.org.uk with esmtpsa (TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1WBlDi-00072v-4z; Fri, 07 Feb 2014 13:11:50 +0000 Received: from broonie by debutante.sirena.org.uk with local (Exim 4.82) (envelope-from ) id 1WBlDR-0005FM-GJ; Fri, 07 Feb 2014 13:11:33 +0000 From: Mark Brown To: Heiko Stuebner Cc: linux-spi@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linaro-kernel@lists.linaro.org, Mark Brown Date: Fri, 7 Feb 2014 13:11:32 +0000 Message-Id: <1391778692-20129-2-git-send-email-broonie@kernel.org> X-Mailer: git-send-email 1.9.rc1 In-Reply-To: <1391778692-20129-1-git-send-email-broonie@kernel.org> References: <1391778692-20129-1-git-send-email-broonie@kernel.org> X-SA-Exim-Connect-IP: 94.175.92.69 X-SA-Exim-Mail-From: broonie@sirena.org.uk X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Subject: [PATCH 2/2] spi/s3c64xx: Remove code no longer needed as a result of S3C_DMA removal X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on mezzanine.sirena.org.uk) Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Mark Brown Remove functions that only had an effect when using S3C_DMA and inline dmaengine_terminate_all() since it's pointless to have a function which expands to a single function call. Signed-off-by: Mark Brown --- drivers/spi/spi-s3c64xx.c | 39 ++------------------------------------- 1 file changed, 2 insertions(+), 37 deletions(-) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 18ec7e65a319..9ad5e3e76b96 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -277,17 +277,6 @@ static void s3c64xx_spi_dmacb(void *data) spin_unlock_irqrestore(&sdd->lock, flags); } -static int s3c64xx_spi_map_mssg(struct s3c64xx_spi_driver_data *sdd, - struct spi_message *msg) -{ - return 0; -} - -static void s3c64xx_spi_unmap_mssg(struct s3c64xx_spi_driver_data *sdd, - struct spi_message *msg) -{ -} - static void prepare_dma(struct s3c64xx_spi_dma_data *dma, struct sg_table *sgt) { @@ -387,12 +376,6 @@ static int s3c64xx_spi_unprepare_transfer(struct spi_master *spi) return 0; } -static void s3c64xx_spi_dma_stop(struct s3c64xx_spi_driver_data *sdd, - struct s3c64xx_spi_dma_data *dma) -{ - dmaengine_terminate_all(dma->ch); -} - static bool s3c64xx_spi_can_dma(struct spi_master *master, struct spi_device *spi, struct spi_transfer *xfer) @@ -691,13 +674,6 @@ static int s3c64xx_spi_prepare_message(struct spi_master *master, s3c64xx_spi_config(sdd); } - /* Map all the transfers if needed */ - if (s3c64xx_spi_map_mssg(sdd, msg)) { - dev_err(&spi->dev, - "Xfer: Unable to map message buffers!\n"); - return -ENOMEM; - } - /* Configure feedback delay */ writel(cs->fb_delay & 0x3, sdd->regs + S3C64XX_SPI_FB_CLK); @@ -769,10 +745,10 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master, if (use_dma) { if (xfer->tx_buf != NULL && (sdd->state & TXBUSY)) - s3c64xx_spi_dma_stop(sdd, &sdd->tx_dma); + dmaengine_terminate_all(sdd->tx_dma.ch); if (xfer->rx_buf != NULL && (sdd->state & RXBUSY)) - s3c64xx_spi_dma_stop(sdd, &sdd->rx_dma); + dmaengine_terminate_all(sdd->rx_dma.ch); } } else { flush_fifo(sdd); @@ -781,16 +757,6 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master, return status; } -static int s3c64xx_spi_unprepare_message(struct spi_master *master, - struct spi_message *msg) -{ - struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master); - - s3c64xx_spi_unmap_mssg(sdd, msg); - - return 0; -} - static struct s3c64xx_spi_csinfo *s3c64xx_get_slave_ctrldata( struct spi_device *spi) { @@ -1164,7 +1130,6 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) master->prepare_transfer_hardware = s3c64xx_spi_prepare_transfer; master->prepare_message = s3c64xx_spi_prepare_message; master->transfer_one = s3c64xx_spi_transfer_one; - master->unprepare_message = s3c64xx_spi_unprepare_message; master->unprepare_transfer_hardware = s3c64xx_spi_unprepare_transfer; master->num_chipselect = sci->num_cs; master->dma_alignment = 8;