From patchwork Thu Nov 20 10:07:53 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ludovic Desroches X-Patchwork-Id: 5347111 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 10A09C11AC for ; Thu, 20 Nov 2014 10:11:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 35F7D201F5 for ; Thu, 20 Nov 2014 10:11:15 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 190932021F for ; Thu, 20 Nov 2014 10:11:14 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XrOf1-0003MD-0M; Thu, 20 Nov 2014 10:08:23 +0000 Received: from eusmtp01.atmel.com ([212.144.249.242]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XrOex-0003ET-OL for linux-arm-kernel@lists.infradead.org; Thu, 20 Nov 2014 10:08:20 +0000 Received: from ibiza.corp.atmel.com (10.161.101.13) by eusmtp01.atmel.com (10.161.101.30) with Microsoft SMTP Server id 14.2.347.0; Thu, 20 Nov 2014 11:07:52 +0100 From: Ludovic Desroches To: , Subject: [PATCH 1/3] mmc: atmel-mci: remove useless DMA stuff for non-dt devices Date: Thu, 20 Nov 2014 11:07:53 +0100 Message-ID: <1416478075-17059-1-git-send-email-ludovic.desroches@atmel.com> X-Mailer: git-send-email 2.0.3 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141120_020819_963179_A7356E66 X-CRM114-Status: UNSURE ( 7.74 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: ulf.hansson@linaro.org, Ludovic Desroches , nicolas.ferre@atmel.com, chris@printf.net X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, T_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 All devices with a DMA controller are DT compliant and legacy support has been removed. For those reasons, some DMA stuff is useless. Signed-off-by: Ludovic Desroches --- drivers/mmc/host/atmel-mci.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index ba38f94..b9226b3 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -2267,17 +2267,9 @@ static void atmci_cleanup_slot(struct atmel_mci_slot *slot, static bool atmci_configure_dma(struct atmel_mci *host) { - struct mci_platform_data *pdata; - dma_cap_mask_t mask; - if (host == NULL) return false; - pdata = host->pdev->dev.platform_data; - - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - host->dma.chan = dma_request_slave_channel(&host->pdev->dev, "rxtx"); if (!host->dma.chan) { dev_warn(&host->pdev->dev, "no DMA channel available\n");