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Commit 2e33e361 authored by Glauber Costa's avatar Glauber Costa Committed by Ingo Molnar
Browse files

x86: adjust dma_free_coherent for i386 



We call unmap_single, if available.

Signed-off-by: default avatarGlauber Costa <gcosta@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent cac67877

arch/x86/kernel/pci-dma_32.c

+2 −0
Original line number Diff line number Diff line
@@ -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);