From: Joerg Roedel Date: Tue, 19 Aug 2008 14:32:40 +0000 (+0200) Subject: x86: add free_coherent dma_ops callback to GART driver X-Git-Tag: v2.6.28-rc1~712^2^4~75 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=43a5a5a09b8cfd56047706cf904718d073ccfd33;p=karo-tx-linux.git x86: add free_coherent dma_ops callback to GART driver Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index 076e64b2d4f3..ef753e233580 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -519,6 +519,15 @@ gart_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_addr, return NULL; } +/* free a coherent mapping */ +static void +gart_free_coherent(struct device *dev, size_t size, void *vaddr, + dma_addr_t dma_addr) +{ + gart_unmap_single(dev, dma_addr, size, DMA_BIDIRECTIONAL); + free_pages((unsigned long)vaddr, get_order(size)); +} + static int no_agp; static __init unsigned long check_iommu_size(unsigned long aper, u64 aper_size) @@ -722,6 +731,7 @@ static struct dma_mapping_ops gart_dma_ops = { .map_sg = gart_map_sg, .unmap_sg = gart_unmap_sg, .alloc_coherent = gart_alloc_coherent, + .free_coherent = gart_free_coherent, }; void gart_iommu_shutdown(void)