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authorChristoph Hellwig <hch@lst.de>2019-08-30 08:46:57 +0200
committerChristoph Hellwig <hch@lst.de>2019-09-04 11:13:19 +0200
commit1fa0682448acd5198f79c1d28ee1292a27ae406d (patch)
tree36d9a2d25bfb2cec04f7479580fe0db8e69448bc /kernel
parent212836a9929f0c91214a8a1879e6e41be0e26a6f (diff)
dma-mapping: remove dma_release_declared_memory
This function is entirely unused given that declared memory is generally provided by platform setup code. Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/dma/coherent.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/kernel/dma/coherent.c b/kernel/dma/coherent.c
index 29fd6590dc1e..7271cda86a37 100644
--- a/kernel/dma/coherent.c
+++ b/kernel/dma/coherent.c
@@ -124,17 +124,6 @@ int dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr,
}
EXPORT_SYMBOL(dma_declare_coherent_memory);
-void dma_release_declared_memory(struct device *dev)
-{
- struct dma_coherent_mem *mem = dev->dma_mem;
-
- if (!mem)
- return;
- dma_release_coherent_memory(mem);
- dev->dma_mem = NULL;
-}
-EXPORT_SYMBOL(dma_release_declared_memory);
-
static void *__dma_alloc_from_coherent(struct dma_coherent_mem *mem,
ssize_t size, dma_addr_t *dma_handle)
{