From a6dd30e2bc88b3816341534c3cd0ebbecdda3ec6 Mon Sep 17 00:00:00 2001 From: Nicolin Chen Date: Tue, 12 Nov 2013 15:09:55 -0800 Subject: [PATCH] drivers/dma/mmp_tdma.c: use gen_pool_dma_alloc() to allocate descriptor Since gen_pool_dma_alloc() is introduced, we implement it to simplify code. Signed-off-by: Nicolin Chen Cc: Dan Williams Cc: Vinod Koul Cc: Grant Likely Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/dma/mmp_tdma.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c index 38cb517..d3b6358 100644 --- a/drivers/dma/mmp_tdma.c +++ b/drivers/dma/mmp_tdma.c @@ -350,12 +350,7 @@ struct mmp_tdma_desc *mmp_tdma_alloc_descriptor(struct mmp_tdma_chan *tdmac) if (!gpool) return NULL; - tdmac->desc_arr = (void *)gen_pool_alloc(gpool, size); - if (!tdmac->desc_arr) - return NULL; - - tdmac->desc_arr_phys = gen_pool_virt_to_phys(gpool, - (unsigned long)tdmac->desc_arr); + tdmac->desc_arr = gen_pool_dma_alloc(gpool, size, &tdmac->desc_arr_phys); return tdmac->desc_arr; } -- 2.7.4