diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-12-24 13:57:08 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-01-15 09:35:53 +0100 |
| commit | 4fac8076df854aa4ddb8acbf6cce9d337300219e (patch) | |
| tree | 5bc357f2c2b646a18c09b2a89d14ebb2b70954de /arch/ia64/kernel/dma-mapping.c | |
| parent | 543cea9accd9804307541cb93d3ed7ec94b07237 (diff) | |
ia64: clean up swiotlb support
Move the few remaining bits of swiotlb glue towards their callers,
and remove the pointless on ia64 swiotlb variable.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'arch/ia64/kernel/dma-mapping.c')
| -rw-r--r-- | arch/ia64/kernel/dma-mapping.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c index 7a82c9259609..f2d57e66fd86 100644 --- a/arch/ia64/kernel/dma-mapping.c +++ b/arch/ia64/kernel/dma-mapping.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/dma-mapping.h> +#include <linux/swiotlb.h> #include <linux/export.h> /* Set this to 1 if there is a HW IOMMU in the system */ @@ -23,3 +24,11 @@ const struct dma_map_ops *dma_get_ops(struct device *dev) return dma_ops; } EXPORT_SYMBOL(dma_get_ops); + +#ifdef CONFIG_SWIOTLB +void __init swiotlb_dma_init(void) +{ + dma_ops = &swiotlb_dma_ops; + swiotlb_init(1); +} +#endif |