diff options
Diffstat (limited to 'kernel/dma')
| -rw-r--r-- | kernel/dma/mapping.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index 176ae3e08916..0b18cfbdde95 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -430,3 +430,14 @@ int dma_set_coherent_mask(struct device *dev, u64 mask) } EXPORT_SYMBOL(dma_set_coherent_mask); #endif + +void dma_cache_sync(struct device *dev, void *vaddr, size_t size, + enum dma_data_direction dir) +{ + const struct dma_map_ops *ops = get_dma_ops(dev); + + BUG_ON(!valid_dma_direction(dir)); + if (ops->cache_sync) + ops->cache_sync(dev, vaddr, size, dir); +} +EXPORT_SYMBOL(dma_cache_sync); |