Re: [PATCH] staging: rtl8188eu: use usleep_range() for ATIM window size

From: Greg KH
Date: Sat May 09 2020 - 03:43:05 EST


On Sat, May 09, 2020 at 03:19:31PM +0800, Qiuhao Li wrote:
> According to Documentation/timers/timers-howto.rst, sleeping for small
> milliseconds should use usleep_range() instead of msleep().
>
> Signed-off-by: Qiuhao Li <Qiuhao.Li@xxxxxxxxxxx>
> ---
> drivers/staging/rtl8188eu/core/rtw_mlme_ext.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
> index 8d035f67ef61..61fdd942c30a 100644
> --- a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
> +++ b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
> @@ -5406,7 +5406,8 @@ u8 tx_beacon_hdl(struct adapter *padapter, unsigned char *pbuf)
> return H2C_SUCCESS;
>
> if ((pstapriv->tim_bitmap & BIT(0)) && (psta_bmc->sleepq_len > 0)) {
> - msleep(10);/* 10ms, ATIM(HIQ) Windows */
> + /* 10ms, ATIM(HIQ) Windows */
> + usleep_range(10000, 10001);

How do you know this will work properly? Can you test this?

thanks,

greg k-h