Re: [PATCH 03/15] iio: buffer-dma: Use round_down() instead of rounddown()

[Alexandru Ardelean]

On Mon, Nov 15, 2021 at 4:19 PM Paul Cercueil <paul@xxxxxxxxxxxxxxx> wrote:
>
> We know that the buffer's alignment will always be a power of two;
> therefore, we can use the faster round_down() macro.
>

Reviewed-by: Alexandru Ardelean <ardeleanalex@xxxxxxxxx>

> Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
> ---
>  drivers/iio/buffer/industrialio-buffer-dmaengine.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
> index 1ac94c4e9792..f8ce26a24c57 100644
> --- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c
> +++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
> @@ -67,7 +67,7 @@ static int iio_dmaengine_buffer_submit_block(struct iio_dma_buffer_queue *queue,
>         dma_cookie_t cookie;
>
>         block->bytes_used = min(block->size, dmaengine_buffer->max_size);
> -       block->bytes_used = rounddown(block->bytes_used,
> +       block->bytes_used = round_down(block->bytes_used,
>                         dmaengine_buffer->align);
>
>         desc = dmaengine_prep_slave_single(dmaengine_buffer->chan,
> --
> 2.33.0
>