From patchwork Fri Feb 1 08:47:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 10792263 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 07708159A for ; Fri, 1 Feb 2019 08:50:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EDCBE31E79 for ; Fri, 1 Feb 2019 08:50:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E1D9C31E82; Fri, 1 Feb 2019 08:50:37 +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=ham 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 8DB3B31E79 for ; Fri, 1 Feb 2019 08:50:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729449AbfBAIsU (ORCPT ); Fri, 1 Feb 2019 03:48:20 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:48354 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729327AbfBAIsT (ORCPT ); Fri, 1 Feb 2019 03:48:19 -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=YxHcnjYJIyN9dSw5XNTjzAkmGK4z/ENOgPTYk1FGBZI=; b=axF0SJy/rQePO2MdOwLhL4wPZm kUGopL49AOrSRzl7zCnocUs7dIHDJws07LpYoYsPTEyFk14KXaLkViehcpaVs2szWBv5z+Hj/AbNO P5fJbWvTN15cCZwf5Cv2GtV37plJ7YSdmW1UYy/S4PYgS04+9pbR+hiAfMCkVimPtvL9a+/xoBo65 Ydnho+Kwb4CoNb/R+G7dECObMxocnY/6bQDDlwgPwEO4D0z+HZR6FK7CDPBfdRD/ww0KFQfYv2WTx XLnnEYImVHE298dffp2Q9L2pnQeB+3NhqHvTFs64TCXXrr3S6xQyZNcX9F+Y5bJqePrQd6frh+fcP ttlTkpsA==; 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 1gpUUi-0001OX-3c; Fri, 01 Feb 2019 08:48:16 +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 05/18] macb_main: pass struct device to DMA API functions Date: Fri, 1 Feb 2019 09:47:48 +0100 Message-Id: <20190201084801.10983-6-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-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@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: Nicolas Ferre --- drivers/net/ethernet/cadence/macb_main.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 2b2882615e8b..61a27963f1d1 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -3673,9 +3673,9 @@ static netdev_tx_t at91ether_start_xmit(struct sk_buff *skb, /* Store packet information (to free when Tx completed) */ lp->skb = skb; lp->skb_length = skb->len; - lp->skb_physaddr = dma_map_single(NULL, skb->data, skb->len, - DMA_TO_DEVICE); - if (dma_mapping_error(NULL, lp->skb_physaddr)) { + lp->skb_physaddr = dma_map_single(&lp->pdev->dev, skb->data, + skb->len, DMA_TO_DEVICE); + if (dma_mapping_error(&lp->pdev->dev, lp->skb_physaddr)) { dev_kfree_skb_any(skb); dev->stats.tx_dropped++; netdev_err(dev, "%s: DMA mapping error\n", __func__); @@ -3765,7 +3765,7 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id) if (lp->skb) { dev_kfree_skb_irq(lp->skb); lp->skb = NULL; - dma_unmap_single(NULL, lp->skb_physaddr, + dma_unmap_single(&lp->pdev->dev, lp->skb_physaddr, lp->skb_length, DMA_TO_DEVICE); dev->stats.tx_packets++; dev->stats.tx_bytes += lp->skb_length;