diff mbox series

[-next] mmc: core: use roundup macro to to calculate blk_sz

Message ID 20201222133355.19807-1-zhengyongjun3@huawei.com
State New
Headers show
Series [-next] mmc: core: use roundup macro to to calculate blk_sz | expand

Commit Message

Zheng Yongjun Dec. 22, 2020, 1:33 p.m. UTC
Don't open-code roundup() kernel macro.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
---
 drivers/mmc/core/sdio_io.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Ulf Hansson Jan. 19, 2021, 1:11 p.m. UTC | #1
On Tue, 22 Dec 2020 at 14:34, Zheng Yongjun <zhengyongjun3@huawei.com> wrote:
>

> Don't open-code roundup() kernel macro.

>

> Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>

> ---

>  drivers/mmc/core/sdio_io.c | 3 +--

>  1 file changed, 1 insertion(+), 2 deletions(-)

>

> diff --git a/drivers/mmc/core/sdio_io.c b/drivers/mmc/core/sdio_io.c

> index 79dbf90216b5..35c69bdeb40e 100644

> --- a/drivers/mmc/core/sdio_io.c

> +++ b/drivers/mmc/core/sdio_io.c

> @@ -263,8 +263,7 @@ unsigned int sdio_align_size(struct sdio_func *func, unsigned int sz)

>                  * Realign it so that it can be done with one request,

>                  * and recheck if the controller still likes it.

>                  */

> -               blk_sz = ((sz + func->cur_blksize - 1) /

> -                       func->cur_blksize) * func->cur_blksize;

> +               blk_sz = roundup(sz, func->cur_blksize);


If I understand correctly, roundup() assumes func->cur_blksize is a
power of 2. The above doesn't, which means there is no open coding
happening here.

>                 blk_sz = _sdio_align_size(blk_sz);

>

>                 /*

> --

> 2.22.0

>


Kind regards
Uffe
diff mbox series

Patch

diff --git a/drivers/mmc/core/sdio_io.c b/drivers/mmc/core/sdio_io.c
index 79dbf90216b5..35c69bdeb40e 100644
--- a/drivers/mmc/core/sdio_io.c
+++ b/drivers/mmc/core/sdio_io.c
@@ -263,8 +263,7 @@  unsigned int sdio_align_size(struct sdio_func *func, unsigned int sz)
 		 * Realign it so that it can be done with one request,
 		 * and recheck if the controller still likes it.
 		 */
-		blk_sz = ((sz + func->cur_blksize - 1) /
-			func->cur_blksize) * func->cur_blksize;
+		blk_sz = roundup(sz, func->cur_blksize);
 		blk_sz = _sdio_align_size(blk_sz);
 
 		/*