diff options
| author |   Christoph Hellwig <hch@lst.de> | 2019-02-14 18:17:33 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2019-02-20 07:27:42 -0700 |
| commit | 7753a91e78811f6fcefc9f59630286a698b814b2 (patch) | |
| tree | c53add651b3555c00d25034a73233e2551ea0569 /drivers/parisc/ccio-dma.c | |
| parent | dma-mapping: remove the DMA_MEMORY_EXCLUSIVE flag (diff) | |
| download | linux-dev-7753a91e78811f6fcefc9f59630286a698b814b2.tar.xz linux-dev-7753a91e78811f6fcefc9f59630286a698b814b2.zip | |
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/parisc/ccio-dma.c | 4 |
1 files changed, 2 insertions, 2 deletions
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); } /** |