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ccio: allow large DMA masks 

There is no harm in setting a 64-bit mask even if we don't need it,
and the current ccio code is one of the few place in the kernel
still rejecting larger than required DMA masks.

Signed-off-by: Christoph Hellwig <hch@lst.de>
hifive-unleashed-5.1
Christoph Hellwig 2019-02-14 18:17:33 +01:00
parent 82c5de0ab8
commit 7753a91e78
1 changed files with 2 additions and 2 deletions
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4
drivers/parisc/ccio-dma.c
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@ -710,8 +710,8 @@ ccio_dma_supported(struct device *dev, u64 mask)
return 0;
}
/* only support 32-bit devices (ie PCI/GSC) */
return (int)(mask == 0xffffffffUL);
/* only support 32-bit or better devices (ie PCI/GSC) */
return (int)(mask >= 0xffffffffUL);
}
/**