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authorStefan Roese <sr@denx.de>2017-06-23 12:05:49 +0300
committerVinod Koul <vinod.koul@intel.com>2017-07-03 08:06:46 +0300
commit82474dade7f4c60206609e7274591d159db105bf (patch)
tree773c921ebb87ae1266c082c4e82a352bcc04630c /drivers
parent65a5c3dd3e11225a0d0e0df97d23fa64ab2d4ed2 (diff)
downloadlinux-82474dade7f4c60206609e7274591d159db105bf.tar.xz
dmaengine: zynqmp_dma: Remove max len check in zynqmp_dma_prep_memcpy
Remove check for "len > ZYNQMP_DMA_MAX_TRANS_LEN" as its not needed. If the length is larger, the transfer is split up into multiple parts with the max descriptor length already. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Kedareswara rao Appana <appanad@xilinx.com> Cc: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/dma/xilinx/zynqmp_dma.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c
index 6d221e5c72ee..47f64192d2fd 100644
--- a/drivers/dma/xilinx/zynqmp_dma.c
+++ b/drivers/dma/xilinx/zynqmp_dma.c
@@ -794,9 +794,6 @@ static struct dma_async_tx_descriptor *zynqmp_dma_prep_memcpy(
chan = to_chan(dchan);
- if (len > ZYNQMP_DMA_MAX_TRANS_LEN)
- return NULL;
-
desc_cnt = DIV_ROUND_UP(len, ZYNQMP_DMA_MAX_TRANS_LEN);
spin_lock_bh(&chan->lock);