From: Joerg Roedel <joerg.roedel@amd.com>
Date: Tue, 19 Aug 2008 14:32:43 +0000 (+0200)
Subject: x86: add free_coherent dma_ops callback to NOMMU driver
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a3a76532e0caa093c279806d8fe8608232538af0;p=linux-beck.git

x86: add free_coherent dma_ops callback to NOMMU driver

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c
index b8ce83c98211..73853d3fdcac 100644
--- a/arch/x86/kernel/pci-nommu.c
+++ b/arch/x86/kernel/pci-nommu.c
@@ -126,8 +126,15 @@ again:
 	return NULL;
 }
 
+static void nommu_free_coherent(struct device *dev, size_t size, void *vaddr,
+				dma_addr_t dma_addr)
+{
+	free_pages((unsigned long)vaddr, get_order(size));
+}
+
 struct dma_mapping_ops nommu_dma_ops = {
 	.alloc_coherent = nommu_alloc_coherent,
+	.free_coherent = nommu_free_coherent,
 	.map_single = nommu_map_single,
 	.map_sg = nommu_map_sg,
 	.is_phys = 1,