linux-kernel - [PATCH 03/15] iio: buffer-dma: Use round

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Message-Id: <20211115141925.60164-4-paul@crapouillou.net>
Date:   Mon, 15 Nov 2021 14:19:13 +0000
From:   Paul Cercueil <paul@...pouillou.net>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     Alexandru Ardelean <ardeleanalex@...il.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Christian König <christian.koenig@....com>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linaro-mm-sig@...ts.linaro.org,
        Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH 03/15] 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 <paul@...pouillou.net>
---
 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