From: Michal Simek Date: Fri, 16 May 2014 11:12:25 +0000 (+0200) Subject: microblaze: Do not setup empty unmap_sg function X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6b3f246e398cc9afc61e3a65a116fabb6d5ca7aa;p=linux-beck.git microblaze: Do not setup empty unmap_sg function No reason to setup empty function. Core is checking if this function should be called or not. Signed-off-by: Michal Simek --- diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c index 8f9b99508e79..4633c36c1b32 100644 --- a/arch/microblaze/kernel/dma.c +++ b/arch/microblaze/kernel/dma.c @@ -68,12 +68,6 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, return nents; } -static void dma_direct_unmap_sg(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction direction, - struct dma_attrs *attrs) -{ -} - static int dma_direct_dma_supported(struct device *dev, u64 mask) { return 1; @@ -164,7 +158,6 @@ struct dma_map_ops dma_direct_ops = { .alloc = dma_direct_alloc_coherent, .free = dma_direct_free_coherent, .map_sg = dma_direct_map_sg, - .unmap_sg = dma_direct_unmap_sg, .dma_supported = dma_direct_dma_supported, .map_page = dma_direct_map_page, .unmap_page = dma_direct_unmap_page,