Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/dma: pci_set_dma_mask() shouldn't fail if mask fits in RAM
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2c661a669b
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@ -7,6 +7,7 @@
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#include <linux/device.h>
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#include <linux/dma-mapping.h>
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#include <linux/lmb.h>
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#include <asm/bug.h>
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#include <asm/abs_addr.h>
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@ -90,11 +91,10 @@ static void dma_direct_unmap_sg(struct device *dev, struct scatterlist *sg,
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static int dma_direct_dma_supported(struct device *dev, u64 mask)
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{
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#ifdef CONFIG_PPC64
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/* Could be improved to check for memory though it better be
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* done via some global so platforms can set the limit in case
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/* Could be improved so platforms can set the limit in case
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* they have limited DMA windows
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*/
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return mask >= DMA_BIT_MASK(32);
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return mask >= (lmb_end_of_DRAM() - 1);
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#else
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return 1;
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#endif
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