| Message ID | 20190215144559.8777-2-hch@lst.de (mailing list archive) |
|---|---|
| State | Awaiting Upstream |
| Headers | show |
| Series | [1/5] ccio: allow large DMA masks | expand |
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c index 8d2fc84119c6..24a68fb7b2f9 100644 --- a/drivers/parisc/ccio-dma.c +++ b/drivers/parisc/ccio-dma.c @@ -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); } /**
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> --- drivers/parisc/ccio-dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)