diff options
| author | Stefan Roese <sr@denx.de> | 2017-06-23 11:05:49 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2017-07-03 07:06:46 +0200 |
| commit | 82474dade7f4c60206609e7274591d159db105bf (patch) | |
| tree | 773c921ebb87ae1266c082c4e82a352bcc04630c | |
| parent | dmaengine: tegra-apb: Really fix runtime-pm usage (diff) | |
| download | linux-82474dade7f4c60206609e7274591d159db105bf.tar.xz linux-82474dade7f4c60206609e7274591d159db105bf.zip | |
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>
| -rw-r--r-- | drivers/dma/xilinx/zynqmp_dma.c | 3 |
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); |