Re: [PATCH]: PCI: GART iommu alignment fixes [v2]

From: Prarit Bhargava
Date: Wed Aug 06 2008 - 09:25:27 EST




@@ -265,7 +268,7 @@ static dma_addr_t dma_map_area(struct device *dev, dma_addr_t phys_mem,
static dma_addr_t
gart_map_simple(struct device *dev, phys_addr_t paddr, size_t size, int dir)
{
- dma_addr_t map = dma_map_area(dev, paddr, size, dir);
+ dma_addr_t map = dma_map_area(dev, paddr, size, dir, size - 1);

Maybe I'm missing something -- what implies size has to be a power of two?

P.


Ixnay that last comment -- I geddit (duh.).

The implication of "size-1" is that size is always a power of two.

Jesse -- I'll have to post a follow-up patch to fix this.

P.
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