* Re: [PATCH] staging: rtl8188eu: use usleep_range() for ATIM window size
[not found] <HK0PR01MB28684D4FFF457F5979ECFC27FCA30@HK0PR01MB2868.apcprd01.prod.exchangelabs.com>
@ 2020-05-09 7:42 ` Greg KH
0 siblings, 0 replies; only message in thread
From: Greg KH @ 2020-05-09 7:42 UTC (permalink / raw)
To: Qiuhao Li; +Cc: Larry.Finger, devel, linux-kernel
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@outlook.com>
> ---
> 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
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2020-05-09 7:42 ` [PATCH] staging: rtl8188eu: use usleep_range() for ATIM window size Greg KH
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