From patchwork Wed Apr 18 18:20:58 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 10348761 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 255156053F for ; Wed, 18 Apr 2018 18:21:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 15916287CC for ; Wed, 18 Apr 2018 18:21:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 023C0287DA; Wed, 18 Apr 2018 18:21:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AD84D287CC for ; Wed, 18 Apr 2018 18:21:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751878AbeDRSVK (ORCPT ); Wed, 18 Apr 2018 14:21:10 -0400 Received: from sauhun.de ([88.99.104.3]:37824 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752166AbeDRSVI (ORCPT ); Wed, 18 Apr 2018 14:21:08 -0400 Received: from localhost (unknown [46.189.28.206]) by pokefinder.org (Postfix) with ESMTPSA id 9E50130DE1E; Wed, 18 Apr 2018 20:21:06 +0200 (CEST) From: Wolfram Sang To: linux-mmc@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, =?UTF-8?q?Niklas=20S=C3=B6derlund?= , Simon Horman , Yoshihiro Shimoda , =?UTF-8?q?Niklas=20S=C3=B6derlund?= , Wolfram Sang , Simon Horman Subject: [PATCH v3 2/5] mmc: renesas_sdhi: use helpers to access struct scatterlist members Date: Wed, 18 Apr 2018 20:20:58 +0200 Message-Id: <20180418182101.5723-3-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180418182101.5723-1-wsa+renesas@sang-engineering.com> References: <20180418182101.5723-1-wsa+renesas@sang-engineering.com> MIME-Version: 1.0 Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Niklas Söderlund Instead of directly accessing the members of struct scatterlist use the helpers mmc_get_dma_dir() and sg_dma_address() in renesas_sdhi_internal_dmac_start_dma(). Based on previous work by Masaharu Hayakawa. Signed-off-by: Niklas Söderlund [rebased to mmc/next] Signed-off-by: Wolfram Sang Reviewed-by: Simon Horman --- drivers/mmc/host/renesas_sdhi_internal_dmac.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c index 6af946d16d24..6a86619d3f85 100644 --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c @@ -157,7 +157,6 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host, { struct scatterlist *sg = host->sg_ptr; u32 dtran_mode = DTRAN_MODE_BUS_WID_TH | DTRAN_MODE_ADDR_MODE; - enum dma_data_direction dir; int ret; /* This DMAC cannot handle if sg_len is not 1 */ @@ -169,16 +168,15 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host, if (data->flags & MMC_DATA_READ) { dtran_mode |= DTRAN_MODE_CH_NUM_CH1; - dir = DMA_FROM_DEVICE; if (test_bit(SDHI_INTERNAL_DMAC_ONE_RX_ONLY, &global_flags) && test_and_set_bit(SDHI_INTERNAL_DMAC_RX_IN_USE, &global_flags)) goto force_pio; } else { dtran_mode |= DTRAN_MODE_CH_NUM_CH0; - dir = DMA_TO_DEVICE; } - ret = dma_map_sg(&host->pdev->dev, sg, host->sg_len, dir); + ret = dma_map_sg(&host->pdev->dev, sg, host->sg_len, + mmc_get_dma_dir(data)); if (ret == 0) goto force_pio; @@ -188,7 +186,7 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host, renesas_sdhi_internal_dmac_dm_write(host, DM_CM_DTRAN_MODE, dtran_mode); renesas_sdhi_internal_dmac_dm_write(host, DM_DTRAN_ADDR, - sg->dma_address); + sg_dma_address(sg)); return;