Re: [PATCH v2] staging: rts5208: Replace instances of udelay by usleep_range

From: Greg KH
Date: Tue Oct 18 2022 - 13:07:36 EST


On Tue, Oct 18, 2022 at 04:04:02PM +0000, Tanjuate Brunostar wrote:
> Replace the use of udelay by usleep_range as suggested by checkpatch:
>
> CHECK: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.rst
> + udelay(30);
>
> CHECK: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.rst
> + udelay(50);
>
> Signed-off-by: Tanjuate Brunostar <tanjubrunostar0@xxxxxxxxx>
> ---
>
> v2: changed the max values of the usleep_rage instances as they cannot
> be equal to the min values as suggested by checkpatch
>
> drivers/staging/rts5208/ms.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/rts5208/ms.c b/drivers/staging/rts5208/ms.c
> index 14449f8afad5..a9724ca5eccf 100644
> --- a/drivers/staging/rts5208/ms.c
> +++ b/drivers/staging/rts5208/ms.c
> @@ -3235,7 +3235,7 @@ static int ms_write_multiple_pages(struct rtsx_chip *chip, u16 old_blk,
> return STATUS_FAIL;
> }
>
> - udelay(30);
> + usleep_range(30, 31);

Did you test this? And making the range 1 really doesn't make any
sense, right?

thanks,

greg k-h