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: 9792967 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 3AB7660325 for ; Fri, 16 Jun 2017 18:20:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3626A23B24 for ; Fri, 16 Jun 2017 18:20:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2AED02844C; Fri, 16 Jun 2017 18:20:27 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E0B9823B24 for ; Fri, 16 Jun 2017 18:20:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=5Pf8LxqRMDU8/3ZMUYTonXvc20OnKJeGEvVi5CstNQw=; b=iE33W2jbf84/mKDardIodQn+Zh /KTQ8cFzyh8Q3l8dZuJllb3RTVOZyE7yNwDsUTzJBFTjlfs3opcf0KOkVYHmzrdmDDPyl3H1G7bun g9qO9OtTobY75pzpSnH0v57bhwhFFsBNkLITpd/9wHiNqncTflVll2dyfAplsVGmKYLK61+aV/x4U 6bNdK/aEBIoBDfFsGRRZHKgbpE0A7T9Jmz1K/30j7mV4/N7rULqljSTEOsFTbKiMLDh2m+WbBmRs7 ueq7nja56Ank0cSv82i0T3k+jGHU0QNa1Qtv7OKemSrhV5zAiQM6r2YqXSVUhYefXGswHBT1nf4MY w/YpJZ7A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dLvr7-0000P6-45; Fri, 16 Jun 2017 18:20:25 +0000 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 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-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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,