Tejun, does this look ok to you? On Fri, Jun 16, 2017 at 09:17:06AM +0200, Christoph Hellwig wrote: > This function was never used since it was added. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > --- > Documentation/driver-model/devres.txt | 1 - > drivers/base/dma-mapping.c | 20 -------------------- > include/linux/dma-mapping.h | 2 -- > 3 files changed, 23 deletions(-) > > diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt > index e72587fe477d..9070ff06b558 100644 > --- a/Documentation/driver-model/devres.txt > +++ b/Documentation/driver-model/devres.txt > @@ -243,7 +243,6 @@ DMA > dmam_alloc_noncoherent() > dmam_declare_coherent_memory() > dmam_free_coherent() > - dmam_free_noncoherent() > dmam_pool_create() > dmam_pool_destroy() > > diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c > index f3deb6af42ad..5940c9dace36 100644 > --- a/drivers/base/dma-mapping.c > +++ b/drivers/base/dma-mapping.c > @@ -148,26 +148,6 @@ void *dmam_alloc_noncoherent(struct device *dev, size_t size, > } > EXPORT_SYMBOL(dmam_alloc_noncoherent); > > -/** > - * dmam_free_coherent - Managed dma_free_noncoherent() > - * @dev: Device to free noncoherent memory for > - * @size: Size of allocation > - * @vaddr: Virtual address of the memory to free > - * @dma_handle: DMA handle of the memory to free > - * > - * Managed dma_free_noncoherent(). > - */ > -void dmam_free_noncoherent(struct device *dev, size_t size, void *vaddr, > - dma_addr_t dma_handle) > -{ > - struct dma_devres match_data = { size, vaddr, dma_handle }; > - > - dma_free_noncoherent(dev, size, vaddr, dma_handle); > - WARN_ON(!devres_destroy(dev, dmam_noncoherent_release, dmam_match, > - &match_data)); > -} > -EXPORT_SYMBOL(dmam_free_noncoherent); > - > #ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT > > static void dmam_coherent_decl_release(struct device *dev, void *res) > diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h > index 4f3eecedca2d..830ec5f06a4f 100644 > --- a/include/linux/dma-mapping.h > +++ b/include/linux/dma-mapping.h > @@ -749,8 +749,6 @@ extern void dmam_free_coherent(struct device *dev, size_t size, void *vaddr, > dma_addr_t dma_handle); > extern void *dmam_alloc_noncoherent(struct device *dev, size_t size, > dma_addr_t *dma_handle, gfp_t gfp); > -extern void dmam_free_noncoherent(struct device *dev, size_t size, void *vaddr, > - dma_addr_t dma_handle); > #ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT > extern int dmam_declare_coherent_memory(struct device *dev, > phys_addr_t phys_addr, > -- > 2.11.0 > ---end quoted text---