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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>
This commit is contained in:
Glauber Costa 2008-04-08 13:20:59 -03:00 committed by Ingo Molnar
parent cac67877d2
commit 2e33e36118
1 changed files with 2 additions and 0 deletions
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2
arch/x86/kernel/pci-dma_32.c
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@ -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);