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authorChristoph Hellwig <hch@lst.de>2020-09-01 13:28:13 +0200
committerChristoph Hellwig <hch@lst.de>2020-09-25 06:20:46 +0200
commit5a84292271402cffe0717bc58e2ad9a0c7977272 (patch)
tree9294a02e1c2e9d1bf08f59641d910ac8070eb32d /kernel/dma/mapping.c
parent53c700: convert to dma_alloc_noncoherent (diff)
downloadlinux-5a84292271402cffe0717bc58e2ad9a0c7977272.tar.xz
linux-5a84292271402cffe0717bc58e2ad9a0c7977272.zip
dma-mapping: remove dma_cache_sync
All users are gone now, remove the API. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> (MIPS part)
Diffstat (limited to 'kernel/dma/mapping.c')
-rw-r--r--kernel/dma/mapping.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c
index 9a045e51df17..673ea6759c15 100644
--- a/kernel/dma/mapping.c
+++ b/kernel/dma/mapping.c
@@ -529,20 +529,6 @@ 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 (dma_alloc_direct(dev, ops))
- arch_dma_cache_sync(dev, vaddr, size, dir);
- else if (ops->cache_sync)
- ops->cache_sync(dev, vaddr, size, dir);
-}
-EXPORT_SYMBOL(dma_cache_sync);
-
size_t dma_max_mapping_size(struct device *dev)
{
const struct dma_map_ops *ops = get_dma_ops(dev);