From patchwork Fri Jun 16 18:10:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 9792827 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B65FA6038F for ; Fri, 16 Jun 2017 18:16:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B23FF2834A for ; Fri, 16 Jun 2017 18:16:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A6EF42866C; Fri, 16 Jun 2017 18:16:39 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID 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 564442866B for ; Fri, 16 Jun 2017 18:16:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753407AbdFPSNf (ORCPT ); Fri, 16 Jun 2017 14:13:35 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:53103 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753390AbdFPSNd (ORCPT ); Fri, 16 Jun 2017 14:13:33 -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=YP1GlHzuDHzeCHOaI6bMloC7cS7wXS8NaF48ukdIL/w=; b=LO6ojfDUbLUUnXvFhYNJ3y4q7 aeLSARhC6ku1j+Xdc8A4Kca3q18Bv94hu0j14Uxv4P30g/QjY7oJWPgWwS0j1w+cl1aAxWWTHwFNn xaW93dyqwgCHE9S6KvsxlVaI7QL1Abmc4HqYOVDUOTId/Y3k2QmN3bYf2Od46CsO7YLoMZxZEDaxM /CgfjDItBvqkeaYmVFXod4onjhQnPW7M+aoHcRQbEFy2ZpvTG852+7rsR5y2XfTwbJUliNlqOzy+v OqAGJ2htSZcrCuY1Z5y6GGhodIe34MEvCN45fj6NOSP1t/Vq6iM8dY/8JouR13iocJ6AMFZZEwHiy /4EiqClng==; Received: from clnet-p099-196.ikbnet.co.at ([83.175.99.196] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.87 #1 (Red Hat Linux)) id 1dLvkN-00070m-09; Fri, 16 Jun 2017 18:13:27 +0000 From: Christoph Hellwig To: x86@kernel.org, linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, openrisc@lists.librecores.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, iommu@lists.linux-foundation.org, netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 39/44] xen-swiotlb: remove xen_swiotlb_set_dma_mask Date: Fri, 16 Jun 2017 20:10:54 +0200 Message-Id: <20170616181059.19206-40-hch@lst.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170616181059.19206-1-hch@lst.de> References: <20170616181059.19206-1-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This just duplicates the generic implementation. Signed-off-by: Christoph Hellwig --- drivers/xen/swiotlb-xen.c | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index c3a04b2d7532..82fc54f8eb77 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -661,17 +661,6 @@ xen_swiotlb_dma_supported(struct device *hwdev, u64 mask) return xen_virt_to_bus(xen_io_tlb_end - 1) <= mask; } -static int -xen_swiotlb_set_dma_mask(struct device *dev, u64 dma_mask) -{ - if (!dev->dma_mask || !xen_swiotlb_dma_supported(dev, dma_mask)) - return -EIO; - - *dev->dma_mask = dma_mask; - - return 0; -} - /* * Create userspace mapping for the DMA-coherent memory. * This function should be called with the pages from the current domain only, @@ -734,7 +723,6 @@ const struct dma_map_ops xen_swiotlb_dma_ops = { .map_page = xen_swiotlb_map_page, .unmap_page = xen_swiotlb_unmap_page, .dma_supported = xen_swiotlb_dma_supported, - .set_dma_mask = xen_swiotlb_set_dma_mask, .mmap = xen_swiotlb_dma_mmap, .get_sgtable = xen_swiotlb_get_sgtable, .mapping_error = xen_swiotlb_mapping_error,