x86/PCI: Adjust GFP mask handling for coherent allocations

[pandora-kernel.git] / arch / x86 / include / asm / dma-mapping.h

diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 0ee770d..6a25d5d 100644 (file)
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -14,6 +14,12 @@
 #include <asm/swiotlb.h>
 #include <asm-generic/dma-coherent.h>
 
+#ifdef CONFIG_ISA
+# define ISA_DMA_BIT_MASK DMA_BIT_MASK(24)
+#else
+# define ISA_DMA_BIT_MASK DMA_BIT_MASK(32)
+#endif
+
 extern dma_addr_t bad_dma_address;
 extern int iommu_merge;
 extern struct device x86_dma_fallback_dev;
@@ -124,10 +130,8 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
        if (dma_alloc_from_coherent(dev, size, dma_handle, &memory))
                return memory;
 
-       if (!dev) {
+       if (!dev)
                dev = &x86_dma_fallback_dev;
-               gfp |= GFP_DMA;
-       }
 
        if (!is_device_dma_capable(dev))
                return NULL;