staging: r8188eu: remove change_rfpwrstate

Remove the change_rfpwrstate component in struct pwrctrl_priv.

change_rfpwrstate is set to rf_off directly before each ips_enter call and
then checked in ips_enter. This makes no sense.

change_rfpwrstate might have been used to avoid conflicts between
suspend and resume operations. If a driver has to do this at all,
pwrpriv->ps_processing will do this job.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230206210124.150142-4-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_pwrctrl.c

@@ -25,7 +25,6 @@ static void ips_enter(struct adapter *padapter)
 	pwrpriv->ips_mode = pwrpriv->ips_mode_req;
 
 	pwrpriv->ips_enter_cnts++;
-	if (rf_off == pwrpriv->change_rfpwrstate) {
 	pwrpriv->bpower_saving = true;
 
 	if (pwrpriv->ips_mode == IPS_LEVEL_2)
@@ -33,7 +32,7 @@ static void ips_enter(struct adapter *padapter)
 
 	rtw_ips_pwr_down(padapter);
 	pwrpriv->rf_pwrstate = rf_off;
-	}
+
 	pwrpriv->bips_processing = false;
 
 	mutex_unlock(&pwrpriv->lock);
@@ -51,7 +50,6 @@ static int ips_leave(struct adapter *padapter)
 
 	if ((pwrpriv->rf_pwrstate == rf_off) && (!pwrpriv->bips_processing)) {
 		pwrpriv->bips_processing = true;
-		pwrpriv->change_rfpwrstate = rf_on;
 		pwrpriv->ips_leave_cnts++;
 
 		result = rtw_ips_pwr_up(padapter);
@@ -133,10 +131,9 @@ void rtw_ps_processor(struct adapter *padapter)
 	if (!rtw_pwr_unassociated_idle(padapter))
 		goto exit;
 
-	if (pwrpriv->rf_pwrstate == rf_on) {
-		pwrpriv->change_rfpwrstate = rf_off;
+	if (pwrpriv->rf_pwrstate == rf_on)
 		ips_enter(padapter);
-	}
+
 exit:
 	rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
 	pwrpriv->ps_processing = false;

drivers/staging/r8188eu/include/rtw_pwrctrl.h

@@ -71,7 +71,6 @@ struct pwrctrl_priv {
 	int		pwr_state_check_interval;
 
 	enum rt_rf_power_state	rf_pwrstate;/* cur power state */
-	enum rt_rf_power_state	change_rfpwrstate;
 
 	u8		bkeepfwalive;
 };