From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A01EAC432C0 for ; Fri, 22 Nov 2019 11:02:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 78A6D207DD for ; Fri, 22 Nov 2019 11:02:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574420541; bh=VIMaAfth/Y/IlP5VCI9SmKGkfzw3jp29bSCwyGKtv9E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=k53wTE/GPE9dxyjdKEYx2rYFvRUHXD1b8BecslGX7x21nuXu7UcdYtUxOMbwvHhBf Y7q64yUv3JlwEGFidTeYs1cIBTHpnyzCp37id0AyBz6tbTusRxMQzqtsLQAtD2rDI7 cslhuMrcThU3xOuW3gAxd9cE++si5/XFLocAboFw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730718AbfKVLCU (ORCPT ); Fri, 22 Nov 2019 06:02:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:55736 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729321AbfKVLCS (ORCPT ); Fri, 22 Nov 2019 06:02:18 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EE4822075B; Fri, 22 Nov 2019 11:02:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574420537; bh=VIMaAfth/Y/IlP5VCI9SmKGkfzw3jp29bSCwyGKtv9E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1LF4qptZMUQ2NaL744XdGXQMrTgEi/19rNvMlctP2eY32MHaiOC3ThgQf3ANE9NM9 tVxsEEKcbK/JPCc662Sxgw1KuQxFxFwYhKmX5CX4YmVhTkS5N1aBTl7iJ4U64qsI5G zFc0wDID98ZmAgcCDcCRhS8IOwzR4zJZ67+o4MJM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wolfram Sang , Vinod Koul , Sasha Levin Subject: [PATCH 4.19 140/220] dmaengine: rcar-dmac: set scatter/gather max segment size Date: Fri, 22 Nov 2019 11:28:25 +0100 Message-Id: <20191122100922.861135736@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191122100912.732983531@linuxfoundation.org> References: <20191122100912.732983531@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Wolfram Sang [ Upstream commit 97d49c59e219acac576e16293a6b8cb99302f62f ] Fix warning when running with CONFIG_DMA_API_DEBUG_SG=y by allocating a device_dma_parameters structure and filling in the max segment size. Signed-off-by: Wolfram Sang Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/sh/rcar-dmac.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 041ce864097e4..80ff95f75199f 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -198,6 +198,7 @@ struct rcar_dmac { struct dma_device engine; struct device *dev; void __iomem *iomem; + struct device_dma_parameters parms; unsigned int n_channels; struct rcar_dmac_chan *channels; @@ -1814,6 +1815,8 @@ static int rcar_dmac_probe(struct platform_device *pdev) dmac->dev = &pdev->dev; platform_set_drvdata(pdev, dmac); + dmac->dev->dma_parms = &dmac->parms; + dma_set_max_seg_size(dmac->dev, RCAR_DMATCR_MASK); dma_set_mask_and_coherent(dmac->dev, DMA_BIT_MASK(40)); ret = rcar_dmac_parse_of(&pdev->dev, dmac); -- 2.20.1