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Replace it with usleep_range(10000, 11000) to save CPU cycles to provide more precise timing. Signed-off-by: Marco Lu --- drivers/staging/rtl8723bs/core/rtw_cmd.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/staging/rtl8723bs/core/rtw_cmd.c b/drivers/staging/rtl= 8723bs/core/rtw_cmd.c index abb84f8ae..14778c22e 100644 --- a/drivers/staging/rtl8723bs/core/rtw_cmd.c +++ b/drivers/staging/rtl8723bs/core/rtw_cmd.c @@ -214,8 +214,7 @@ void _rtw_free_evt_priv(struct evt_priv *pevtpriv) { _cancel_workitem_sync(&pevtpriv->c2h_wk); while (pevtpriv->c2h_wk_alive) - msleep(10); - + usleep_range(10000, 11000); while (!rtw_cbuf_empty(pevtpriv->c2h_queue)) { void *c2h =3D rtw_cbuf_pop(pevtpriv->c2h_queue); =20 --=20 2.53.0