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x86: adjust dma_free_coherent for i386
author
Glauber Costa
<gcosta@redhat.com>
Tue, 8 Apr 2008 16:20:59 +0000
(13:20 -0300)
committer
Ingo Molnar
<mingo@elte.hu>
Sat, 19 Apr 2008 17:19:58 +0000
(19:19 +0200)
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>
arch/x86/kernel/pci-dma_32.c
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diff --git
a/arch/x86/kernel/pci-dma_32.c
b/arch/x86/kernel/pci-dma_32.c
index
9199bcc
..
5ae3470
100644
(file)
--- 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);