From patchwork Fri Feb 1 08:47:56 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 10792185 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5E7A0159A for ; Fri, 1 Feb 2019 08:49:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 528E331223 for ; Fri, 1 Feb 2019 08:49:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 465E331B8B; Fri, 1 Feb 2019 08:49:42 +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=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 F106131223 for ; Fri, 1 Feb 2019 08:49:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727577AbfBAItc (ORCPT ); Fri, 1 Feb 2019 03:49:32 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:48512 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729682AbfBAIsk (ORCPT ); Fri, 1 Feb 2019 03:48:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=EDCotptuNgPwBtYaw+R0wEyOKfRmfUUw71HtLikhNLA=; b=Dv3neyaRGIu+SiwE9QyF7BMirl TtVPfoQaeoohV30jRW4quZEBxwq41HRwagK8Rlw36NvKcsk8ickC5rAj8X1k2C8ZWbk6nxIRRLSen nzN74fwBrPKdtHLfeLR3sVJmaanh9E/SlWAewWQf7/ozNF+Rla6nKQTt4zOcf9zuIHCeOsSxJLh+6 OSxA7h53T37EaJEfCDBtfnC2pkWtLC/FaYJ+ywUIgsNBCt3f2CovwppI0WzO+h8ejL8LIZBpKuj1k RnumHHkGa6qc0bLGZVMFTy0NaO0rQRTbv+IO0c3Tykd9DlCJ01GJJuqJVe2GUp6oj1wARcKrKoW1E VqfY6XhQ==; Received: from 089144212163.atnat0021.highway.a1.net ([89.144.212.163] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1gpUV3-0001TO-0W; Fri, 01 Feb 2019 08:48:37 +0000 From: Christoph Hellwig To: John Crispin , Vinod Koul , Dmitry Tarnyagin , Nicolas Ferre , Sudip Mukherjee , Felipe Balbi , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, netdev@vger.kernel.org, linux-usb@vger.kernel.org, linux-fbdev@vger.kernel.org, alsa-devel@alsa-project.org Cc: iommu@lists.linux-foundation.org Subject: [PATCH 13/18] fotg210-udc: pass struct device to DMA API functions Date: Fri, 1 Feb 2019 09:47:56 +0100 Message-Id: <20190201084801.10983-14-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190201084801.10983-1-hch@lst.de> References: <20190201084801.10983-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The DMA API generally relies on a struct device to work properly, and only barely works without one for legacy reasons. Pass the easily available struct device from the platform_device to remedy this. Signed-off-by: Christoph Hellwig Acked-by: Felipe Balbi --- drivers/usb/gadget/udc/fotg210-udc.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c index fe9cf415f2f1..cec49294bac6 100644 --- a/drivers/usb/gadget/udc/fotg210-udc.c +++ b/drivers/usb/gadget/udc/fotg210-udc.c @@ -326,6 +326,7 @@ static void fotg210_wait_dma_done(struct fotg210_ep *ep) static void fotg210_start_dma(struct fotg210_ep *ep, struct fotg210_request *req) { + struct device *dev = &ep->fotg210->gadget.dev; dma_addr_t d; u8 *buffer; u32 length; @@ -348,10 +349,10 @@ static void fotg210_start_dma(struct fotg210_ep *ep, length = req->req.length; } - d = dma_map_single(NULL, buffer, length, + d = dma_map_single(dev, buffer, length, ep->dir_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - if (dma_mapping_error(NULL, d)) { + if (dma_mapping_error(dev, d)) { pr_err("dma_mapping_error\n"); return; } @@ -366,7 +367,7 @@ static void fotg210_start_dma(struct fotg210_ep *ep, /* update actual transfer length */ req->req.actual += length; - dma_unmap_single(NULL, d, length, DMA_TO_DEVICE); + dma_unmap_single(dev, d, length, DMA_TO_DEVICE); } static void fotg210_ep0_queue(struct fotg210_ep *ep,