From efa21e432c7b3c8ae976039d614a017799b6e874 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 9 Sep 2015 15:39:46 -0700 Subject: dma-mapping: cosolidate dma_mapping_error Currently there are three valid implementations of dma_mapping_error: (1) call ->mapping_error (2) check for a hardcoded error code (3) always return 0 This patch provides a common implementation that calls ->mapping_error if present, then checks for DMA_ERROR_CODE if defined or otherwise returns 0. [jcmvbkbc@gmail.com: fix xtensa] Signed-off-by: Christoph Hellwig Cc: Arnd Bergmann Cc: Russell King Cc: Catalin Marinas Cc: Will Deacon Cc: Yoshinori Sato Cc: Michal Simek Cc: Jonas Bonn Cc: Chris Metcalf Cc: Guan Xuetao Cc: Ralf Baechle Cc: Benjamin Herrenschmidt Cc: Ingo Molnar Cc: Thomas Gleixner Cc: "H. Peter Anvin" Cc: Andy Shevchenko Signed-off-by: Max Filippov Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/microblaze/include/asm/dma-mapping.h | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'arch/microblaze') diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h index bc81625..e5b8438 100644 --- a/arch/microblaze/include/asm/dma-mapping.h +++ b/arch/microblaze/include/asm/dma-mapping.h @@ -87,17 +87,6 @@ static inline void __dma_sync(unsigned long paddr, } } -static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - struct dma_map_ops *ops = get_dma_ops(dev); - - debug_dma_mapping_error(dev, dma_addr); - if (ops->mapping_error) - return ops->mapping_error(dev, dma_addr); - - return (dma_addr == DMA_ERROR_CODE); -} - static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { -- cgit v1.1