From ab1fb45579d876aee70eb736d3d9e6a9bacc798d Mon Sep 17 00:00:00 2001 From: Paul Cercueil Date: Mon, 15 Nov 2021 14:19:13 +0000 Subject: [PATCH] iio: buffer-dma: Use round_down() instead of rounddown() We know that the buffer's alignment will always be a power of two; therefore, we can use the faster round_down() macro. Signed-off-by: Paul Cercueil Reviewed-by: Alexandru Ardelean Link: https://lore.kernel.org/r/20211115141925.60164-4-paul@crapouillou.net Signed-off-by: Jonathan Cameron --- 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 1ac94c4..f8ce26a 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, -- 2.7.4