Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756037AbYHSOey (ORCPT ); Tue, 19 Aug 2008 10:34:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754180AbYHSOdK (ORCPT ); Tue, 19 Aug 2008 10:33:10 -0400 Received: from outbound-wa4.frontbridge.com ([216.32.181.16]:41818 "EHLO WA4EHSOBE001.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754127AbYHSOdH (ORCPT ); Tue, 19 Aug 2008 10:33:07 -0400 X-BigFish: VPS4(zzzz10d3izzz32i43j64h) X-Spam-TCS-SCL: 3:0 X-FB-SS: 5, X-WSS-ID: 0K5UR2J-04-SOR-01 From: Joerg Roedel To: mingo@redhat.com, tglx@linutronix.de, hpa@zytor.com CC: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, muli@il.ibm.com, Joerg Roedel Subject: [PATCH 3/8] x86: add free_coherent dma_ops callback to Calgary IOMMU driver Date: Tue, 19 Aug 2008 16:32:41 +0200 Message-ID: <1219156366-32498-4-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.5.3.7 In-Reply-To: <1219156366-32498-1-git-send-email-joerg.roedel@amd.com> References: <1219156366-32498-1-git-send-email-joerg.roedel@amd.com> X-OriginalArrivalTime: 19 Aug 2008 14:32:46.0567 (UTC) FILETIME=[72CAFF70:01C90208] MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1290 Lines: 42 Signed-off-by: Joerg Roedel Acked-by: Muli Ben-Yehuda --- arch/x86/kernel/pci-calgary_64.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c index 8e41d42..ea6a0c8 100644 --- a/arch/x86/kernel/pci-calgary_64.c +++ b/arch/x86/kernel/pci-calgary_64.c @@ -510,8 +510,22 @@ error: return ret; } +static void calgary_free_coherent(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle) +{ + unsigned int npages; + struct iommu_table *tbl = find_iommu_table(dev); + + size = PAGE_ALIGN(size); + npages = size >> PAGE_SHIFT; + + iommu_free(tbl, dma_handle, npages); + free_pages((unsigned long)vaddr, get_order(size)); +} + static struct dma_mapping_ops calgary_dma_ops = { .alloc_coherent = calgary_alloc_coherent, + .free_coherent = calgary_free_coherent, .map_single = calgary_map_single, .unmap_single = calgary_unmap_single, .map_sg = calgary_map_sg, -- 1.5.3.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/