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[3/8] dma: mmp_tdma: use gen_pool_dma_alloc() to allocate descriptor

Message ID b7d5dce9fcc118a60261824196c820de6fb434a2.1383303752.git.b42378@freescale.com (mailing list archive)
State New, archived
Headers show

Commit Message

Nicolin Chen Nov. 1, 2013, 11:36 a.m. UTC 
Since gen_pool_dma_alloc() is introduced, we implement it to simplify code.

Signed-off-by: Nicolin Chen <b42378@freescale.com>
---
 drivers/dma/mmp_tdma.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)
diff mbox

Patch

diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c
index 2b4026d..3ddacc1 100644
--- a/drivers/dma/mmp_tdma.c
+++ b/drivers/dma/mmp_tdma.c
@@ -378,12 +378,7 @@  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;
 }