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 26E73C468C6 for ; Thu, 19 Jul 2018 13:02:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D361C20856 for ; Thu, 19 Jul 2018 13:02:42 +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="Sj1qg92/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D361C20856 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 S1731704AbeGSNpn (ORCPT ); Thu, 19 Jul 2018 09:45:43 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:36906 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730096AbeGSNpn (ORCPT ); Thu, 19 Jul 2018 09:45:43 -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=Apb+KY4q2JuG0746oGkS2MbINxLSksxtOzjPzmv7/yA=; b=Sj1qg92/RVm4MxKCjLI3nZlkl /G60zZk6GIWXMbwmlsCnWKQV+5zaDx/+PX6KY7+ORjcRy7cxGmt9exoLxG4EeNWvhy+vdgFRdd8YS ZlJ3vzENtGHahHDxZKhV6PLNvJwLze0WOeicNBnDmN6IssY9LlO8Afh8EkHWDIPG8LUmjs41CscHJ rtkF53Ttym9OKpxs9JQR73tTHUsD584MqmMPTPbJJfCAM3ombqOZWhUnqIV8gkihgbUWPiD+FvTyT NZrnyDn+qaPPzimqt/yiQUZwWAUzy8ddGeShfwHvCzyML1JFx0P3yDa65yOlRoDnfuspgH/XMD8Nm 8XFCu1ehA==; Received: from [96.72.186.57] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1fg8Zl-0008Ld-BC; Thu, 19 Jul 2018 13:02:33 +0000 From: Christoph Hellwig To: Jonas Bonn , Stefan Kristiansson , Stafford Horne Cc: openrisc@lists.librecores.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/4] openrisc: remove the no-op unmap_page and unmap_sg DMA operations Date: Thu, 19 Jul 2018 06:02:30 -0700 Message-Id: <20180719130232.1819-3-hch@lst.de> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180719130232.1819-1-hch@lst.de> References: <20180719130232.1819-1-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 Signed-off-by: Christoph Hellwig --- arch/openrisc/kernel/dma.c | 23 ----------------------- 1 file changed, 23 deletions(-) diff --git a/arch/openrisc/kernel/dma.c b/arch/openrisc/kernel/dma.c index 47601274abf7..7cadff93d179 100644 --- a/arch/openrisc/kernel/dma.c +++ b/arch/openrisc/kernel/dma.c @@ -171,14 +171,6 @@ or1k_map_page(struct device *dev, struct page *page, return addr; } -static void -or1k_unmap_page(struct device *dev, dma_addr_t dma_handle, - size_t size, enum dma_data_direction dir, - unsigned long attrs) -{ - /* Nothing special to do here... */ -} - static int or1k_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir, @@ -195,19 +187,6 @@ or1k_map_sg(struct device *dev, struct scatterlist *sg, return nents; } -static void -or1k_unmap_sg(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction dir, - unsigned long attrs) -{ - struct scatterlist *s; - int i; - - for_each_sg(sg, s, nents, i) { - or1k_unmap_page(dev, sg_dma_address(s), sg_dma_len(s), dir, 0); - } -} - static void or1k_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size, @@ -226,9 +205,7 @@ const struct dma_map_ops or1k_dma_map_ops = { .alloc = or1k_dma_alloc, .free = or1k_dma_free, .map_page = or1k_map_page, - .unmap_page = or1k_unmap_page, .map_sg = or1k_map_sg, - .unmap_sg = or1k_unmap_sg, .sync_single_for_device = or1k_sync_single_for_device, }; EXPORT_SYMBOL(or1k_dma_map_ops); -- 2.18.0