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dmaengine: imx-sdma: remove unused variable 

The variable is no longer used, though it is set, so remove it

drivers/dma/imx-sdma.c:1298:6:
	warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
  int ret, i, count;
      ^~~

Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Vinod Koul 2018-07-02 18:42:51 +05:30
parent c1199875d3
commit ad78b000fc
1 changed files with 2 additions and 5 deletions
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7
drivers/dma/imx-sdma.c
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@ -1295,7 +1295,7 @@ static struct dma_async_tx_descriptor *sdma_prep_slave_sg(
{
struct sdma_channel *sdmac = to_sdma_chan(chan);
struct sdma_engine *sdma = sdmac->sdma;
int ret, i, count;
int i, count;
int channel = sdmac->channel;
struct scatterlist *sg;
struct sdma_desc *desc;
@ -1318,17 +1318,14 @@ static struct dma_async_tx_descriptor *sdma_prep_slave_sg(
if (count > 0xffff) {
dev_err(sdma->dev, "SDMA channel %d: maximum bytes for sg entry exceeded: %d > %d\n",
channel, count, 0xffff);
ret = -EINVAL;
goto err_bd_out;
}
bd->mode.count = count;
desc->chn_count += count;
if (sdmac->word_size > DMA_SLAVE_BUSWIDTH_4_BYTES) {
ret = -EINVAL;
if (sdmac->word_size > DMA_SLAVE_BUSWIDTH_4_BYTES)
goto err_bd_out;
}
switch (sdmac->word_size) {
case DMA_SLAVE_BUSWIDTH_4_BYTES: