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| author |   Christoph Hellwig <hch@lst.de> | 2018-09-06 19:27:24 -0400 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-10-01 07:27:00 -0700 |
| commit | c6d4381220a0087ce19dbf6984d92c451bd6b364 (patch) | |
| tree | 137796a9983bcc8282410110a131c0833b659b1b /arch/ia64/sn/pci/pci_dma.c | |
| parent | unicore32: remove swiotlb support (diff) | |
| download | wireguard-linux-c6d4381220a0087ce19dbf6984d92c451bd6b364.tar.xz wireguard-linux-c6d4381220a0087ce19dbf6984d92c451bd6b364.zip | |
dma-mapping: make the get_required_mask method available unconditionally
This save some duplication for ia64, and makes the interface more
general. In the long run we want each dma_map_ops instance to fill this
out, but this will take a little more prep work.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/ia64/sn/pci/pci_dma.c')
| -rw-r--r-- | arch/ia64/sn/pci/pci_dma.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c index 74c934a997bb..96eb2567718a 100644 --- a/arch/ia64/sn/pci/pci_dma.c +++ b/arch/ia64/sn/pci/pci_dma.c @@ -344,11 +344,10 @@ static int sn_dma_mapping_error(struct device *dev, dma_addr_t dma_addr) return 0; } -u64 sn_dma_get_required_mask(struct device *dev) +static u64 sn_dma_get_required_mask(struct device *dev) { return DMA_BIT_MASK(64); } -EXPORT_SYMBOL_GPL(sn_dma_get_required_mask); char *sn_pci_get_legacy_mem(struct pci_bus *bus) { @@ -473,6 +472,7 @@ static struct dma_map_ops sn_dma_ops = { .sync_sg_for_device = sn_dma_sync_sg_for_device, .mapping_error = sn_dma_mapping_error, .dma_supported = sn_dma_supported, + .get_required_mask = sn_dma_get_required_mask, }; void sn_dma_init(void) |