From: Glauber Costa <gcosta@redhat.com>
Date: Tue, 8 Apr 2008 16:20:59 +0000 (-0300)
Subject: x86: adjust dma_free_coherent for i386
X-Git-Tag: v2.6.26-rc1~1133^2~11
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=2e33e361188617628e47b4bc47e87e84feaf556f;p=linux-2.6-omap-h63xx.git

x86: adjust dma_free_coherent for i386

We call unmap_single, if available.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/arch/x86/kernel/pci-dma_32.c b/arch/x86/kernel/pci-dma_32.c
index 9199bccb921..5ae3470113c 100644
--- a/arch/x86/kernel/pci-dma_32.c
+++ b/arch/x86/kernel/pci-dma_32.c
@@ -80,6 +80,8 @@ void dma_free_coherent(struct device *dev, size_t size,
 	WARN_ON(irqs_disabled());	/* for portability */
 	if (dma_release_coherent(dev, order, vaddr))
 		return;
+	if (dma_ops->unmap_single)
+		dma_ops->unmap_single(dev, dma_handle, size, 0);
 	free_pages((unsigned long)vaddr, order);
 }
 EXPORT_SYMBOL(dma_free_coherent);