diff options
Diffstat (limited to 'arch/x86_64/kernel/pci-nommu.c')
| -rw-r--r-- | arch/x86_64/kernel/pci-nommu.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/x86_64/kernel/pci-nommu.c b/arch/x86_64/kernel/pci-nommu.c index 1f6ecc62061d..df09ab05a1bd 100644 --- a/arch/x86_64/kernel/pci-nommu.c +++ b/arch/x86_64/kernel/pci-nommu.c @@ -4,6 +4,8 @@ #include <linux/init.h> #include <linux/pci.h> #include <linux/string.h> +#include <linux/dma-mapping.h> + #include <asm/proto.h> #include <asm/processor.h> #include <asm/dma.h> @@ -12,10 +14,11 @@ static int check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size) { if (hwdev && bus + size > *hwdev->dma_mask) { - if (*hwdev->dma_mask >= 0xffffffffULL) + if (*hwdev->dma_mask >= DMA_32BIT_MASK) printk(KERN_ERR - "nommu_%s: overflow %Lx+%lu of device mask %Lx\n", - name, (long long)bus, size, (long long)*hwdev->dma_mask); + "nommu_%s: overflow %Lx+%zu of device mask %Lx\n", + name, (long long)bus, size, + (long long)*hwdev->dma_mask); return 0; } return 1; @@ -56,7 +59,6 @@ int nommu_map_sg(struct device *hwdev, struct scatterlist *sg, { int i; - BUG_ON(direction == DMA_NONE); for (i = 0; i < nents; i++ ) { struct scatterlist *s = &sg[i]; BUG_ON(!s->page); @@ -89,5 +91,7 @@ void __init no_iommu_init(void) { if (dma_ops) return; + + force_iommu = 0; /* no HW IOMMU */ dma_ops = &nommu_dma_ops; } |
