From 1fa0682448acd5198f79c1d28ee1292a27ae406d Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 30 Aug 2019 08:46:57 +0200 Subject: 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 --- kernel/dma/coherent.c | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'kernel/dma') 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) { -- cgit v1.2.3