Re: [PATCH] staging: rts5208: ms.c: Remove two udelay calls and use usleep_range instead

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun, Oct 17, 2021 at 02:27:12PM +0200, Sebastian Luchetti wrote:
> This patch fixes the issue:
> CHECK: usleep_range is preferred over udelay; see
> Documentation/timers/timers-howto.txt
> in two occurrences.
> 
> Signed-off-by: Sebastian Luchetti <luchetti.linux@xxxxxxxxx>
> ---
>  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 2a6fab5c117a..7292c8f013fd 100644
> --- a/drivers/staging/rts5208/ms.c
> +++ b/drivers/staging/rts5208/ms.c
> @@ -3236,7 +3236,7 @@ static int ms_write_multiple_pages(struct rtsx_chip *chip, u16 old_blk,
>  			return STATUS_FAIL;
>  		}
>  
> -		udelay(30);
> +		usleep_range(27, 32);

These are very odd choices of a number, where did they come from?

And as the other thread on this mailing list a few hours ago describes,
for this same type of change, you need to test this with the actual
hardware to know if this works properly or not.  Have you done so?

thanks,

greg k-h




[Index of Archives]     [Linux Driver Development]     [Linux Driver Backports]     [DMA Engine]     [Linux GPIO]     [Linux SPI]     [Video for Linux]     [Linux USB Devel]     [Linux Coverity]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux