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Signed-off-by: Robin Gong --- drivers/dma/imx-sdma.c | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 6faec89..afaee72 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -292,7 +292,6 @@ struct sdma_context_data { u32 scratch7; } __attribute__ ((packed)); -#define NUM_BD (int)(PAGE_SIZE / sizeof(struct sdma_buffer_descriptor)) struct sdma_engine; @@ -1297,13 +1296,6 @@ static struct dma_async_tx_descriptor *sdma_prep_slave_sg( if (ret) goto err_bd_out; - if (sg_len > NUM_BD) { - dev_err(sdma->dev, "SDMA channel %d: maximum number of sg exceeded: %d > %d\n", - channel, sg_len, NUM_BD); - ret = -EINVAL; - goto err_bd_out; - } - desc->chn_count = 0; for_each_sg(sgl, sg, sg_len, i) { struct sdma_buffer_descriptor *bd = &desc->bd[i]; @@ -1413,12 +1405,6 @@ static struct dma_async_tx_descriptor *sdma_prep_dma_cyclic( if (ret) goto err_bd_out; - if (num_periods > NUM_BD) { - dev_err(sdma->dev, "SDMA channel %d: maximum number of sg exceeded: %d > %d\n", - channel, num_periods, NUM_BD); - goto err_bd_out; - } - if (period_len > 0xffff) { dev_err(sdma->dev, "SDMA channel %d: maximum period size exceeded: %zu > %d\n", channel, period_len, 0xffff); -- 2.7.4