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Replace msleep(10) with usleep_range(10000, 20000) and add for the declaration. Signed-off-by: Yash Mehla --- drivers/staging/rtl8723bs/core/rtw_cmd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/rtl8723bs/core/rtw_cmd.c b/drivers/staging/rtl= 8723bs/core/rtw_cmd.c index abb84f8ae..93a9e9672 100644 --- a/drivers/staging/rtl8723bs/core/rtw_cmd.c +++ b/drivers/staging/rtl8723bs/core/rtw_cmd.c @@ -5,6 +5,7 @@ * *************************************************************************= *****/ #include +#include #include #include #include @@ -214,7 +215,7 @@ 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, 20000); =20 while (!rtw_cbuf_empty(pevtpriv->c2h_queue)) { void *c2h =3D rtw_cbuf_pop(pevtpriv->c2h_queue); --=20 2.53.0