Commit e74993ae authored May 04, 2015 by Guenter Roeck Committed by Chris Zankel May 25, 2015

xtensa: Provide dummy dma_alloc_attrs() and dma_free_attrs()



xtensa:allmodconfig fails to build with the following errors.

drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:
	In function ‘gk20a_instobj_dtor_dma’:
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:154:2: error:
	implicit declaration of function ‘dma_free_attrs’
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:
	In function ‘gk20a_instobj_ctor_dma’:
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:218:2: error:
	implicit declaration of function ‘dma_alloc_attrs’

Xtensa does not provide those functions at this time.
Provide dummy implementations to avoid build errors.

Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Chris Zankel <chris@zankel.net>

parent ba155e2d

arch/xtensa/include/asm/dma-mapping.h

+13 −0

Original line number	Diff line number	Diff line
		@@ -185,4 +185,17 @@ static inline int dma_get_sgtable(struct device dev, struct sg_table sgt,
		return -EINVAL;
		}

		static inline void dma_alloc_attrs(struct device dev, size_t size,
		dma_addr_t *dma_handle, gfp_t flag,
		struct dma_attrs *attrs)
		{
		return NULL;
		}

		static inline void dma_free_attrs(struct device *dev, size_t size,
		void *vaddr, dma_addr_t dma_handle,
		struct dma_attrs *attrs)
		{
		}

		#endif /* _XTENSA_DMA_MAPPING_H */