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SubjectRe: [PATCH v3 5/6] dmaengine: imx-sdma: remove the maximum limation for bd numbers

In the subject: s/limation/limitation/

Sascha

On Mon, Jun 11, 2018 at 10:59:32PM +0800, Robin Gong wrote:
> No this limitation now after virtual dma used since bd is allocated
> dynamically instead of static.
>
> Signed-off-by: Robin Gong <yibin.gong@nxp.com>
> ---
> 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 f150b38..0b0588d2 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;
>
> @@ -1296,13 +1295,6 @@ 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];
> @@ -1412,12 +1404,6 @@ 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
>
>

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