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=-2.6 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, 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 CA166C468C6 for ; Thu, 19 Jul 2018 12:56:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 879432086B for ; Thu, 19 Jul 2018 12:56:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="msoGHII5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 879432086B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731674AbeGSNjs (ORCPT ); Thu, 19 Jul 2018 09:39:48 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:34422 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730528AbeGSNjh (ORCPT ); Thu, 19 Jul 2018 09:39:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding: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=Gav4/C9vSOOXI2qu0UcM2ChCacoDHQJI2xirMnrvTFg=; b=msoGHII5gxr+bblRF00h2piVo PIQkk2uvFrXxPwahC8iO85E7mMy4jELkNRwBlg3xFQA9JiUdp6/IC4kAw5mB7PpOmcGW+Y2DQkXRP MLRdpI1hv6CD4oydgAmc75iBhyAdWfh4kK1HQtef+Yyi/oPteFsHCxbpnX7dEeFj5mgZEwMTQatjb LeMl2ZCrOX8sSMn0nwKr7wP+/O7tTY228PsenYQc2CYWf0M8TbRqRNaFL6H+K1y9l8uvVz08DalC/ I6RzxJpnHn8DvUAjBuzLq+qTBTIEppJDBfPdYhyVICRFiMmRxJadrIDirxeOITMEwUMZM8D+8rR+i meJYAyufA==; Received: from [96.72.186.57] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1fg8Tz-0006Qz-UZ; Thu, 19 Jul 2018 12:56:35 +0000 From: Christoph Hellwig To: Richard Kuo Cc: linux-hexagon@vger.kernel.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] hexagon: implement the sync_sg_for_device DMA operation Date: Thu, 19 Jul 2018 05:56:34 -0700 Message-Id: <20180719125635.824-3-hch@lst.de> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180719125635.824-1-hch@lst.de> References: <20180719125635.824-1-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This methods needs to provide the equivalent of sync_single_for_device for each S/G list element, but was missing. Signed-off-by: Christoph Hellwig --- arch/hexagon/kernel/dma.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c index d2b717f352f4..9e46556a227d 100644 --- a/arch/hexagon/kernel/dma.c +++ b/arch/hexagon/kernel/dma.c @@ -188,6 +188,18 @@ static void hexagon_sync_single_for_device(struct device *dev, dma_sync(dma_addr_to_virt(dma_handle), size, dir); } +static void hexagon_sync_sg_for_device(struct device *dev, + struct scatterlist *sgl, int nents, enum dma_data_direction dir) +{ + struct scatterlist *sg; + int i; + + for_each_sg(sgl, sg, nents, i) + hexagon_sync_single_for_device(dev, sg_dma_address(sg), + sg->length, dir); +} + + static int hexagon_mapping_error(struct device *dev, dma_addr_t dma_addr) { return dma_addr == HEXAGON_MAPPING_ERROR; @@ -199,6 +211,7 @@ const struct dma_map_ops hexagon_dma_ops = { .map_sg = hexagon_map_sg, .map_page = hexagon_map_page, .sync_single_for_device = hexagon_sync_single_for_device, + .sync_sg_for_device = hexagon_sync_sg_for_device, .mapping_error = hexagon_mapping_error, }; -- 2.18.0