From 2af29468e3b3793b49f6c4385d2cabcea43fe076 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 6 Nov 2020 19:19:37 +0100 Subject: [PATCH] RDMA/core: Remove ib_dma_{alloc,free}_coherent These two functions are entirely unused. Link: https://lore.kernel.org/r/20201106181941.1878556-7-hch@lst.de Signed-off-by: Christoph Hellwig Signed-off-by: Jason Gunthorpe --- include/rdma/ib_verbs.h | 29 ----------------------------- 1 file changed, 29 deletions(-) diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 7e330f4a6d33..a0f9b1c133e4 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -4061,35 +4061,6 @@ static inline void ib_dma_sync_single_for_device(struct ib_device *dev, dma_sync_single_for_device(dev->dma_device, addr, size, dir); } -/** - * ib_dma_alloc_coherent - Allocate memory and map it for DMA - * @dev: The device for which the DMA address is requested - * @size: The size of the region to allocate in bytes - * @dma_handle: A pointer for returning the DMA address of the region - * @flag: memory allocator flags - */ -static inline void *ib_dma_alloc_coherent(struct ib_device *dev, - size_t size, - dma_addr_t *dma_handle, - gfp_t flag) -{ - return dma_alloc_coherent(dev->dma_device, size, dma_handle, flag); -} - -/** - * ib_dma_free_coherent - Free memory allocated by ib_dma_alloc_coherent() - * @dev: The device for which the DMA addresses were allocated - * @size: The size of the region - * @cpu_addr: the address returned by ib_dma_alloc_coherent() - * @dma_handle: the DMA address returned by ib_dma_alloc_coherent() - */ -static inline void ib_dma_free_coherent(struct ib_device *dev, - size_t size, void *cpu_addr, - dma_addr_t dma_handle) -{ - dma_free_coherent(dev->dma_device, size, cpu_addr, dma_handle); -} - /* ib_reg_user_mr - register a memory region for virtual addresses from kernel * space. This function should be called when 'current' is the owning MM. */