linux-kernel - [PATCH v2 1/8] staging: r8188eu: remove rtw_set

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210913185110.3065-2-martin@kaiser.cx>
Date:   Mon, 13 Sep 2021 20:51:03 +0200
From:   Martin Kaiser <martin@...ser.cx>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Michael Straube <straube.linux@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Martin Kaiser <martin@...ser.cx>
Subject: [PATCH v2 1/8] staging: r8188eu: remove rtw_set_rpwm

After we dropped the call to set HW_VAR_SET_RPWM, the rtw_set_rpwm
function doesn't do anything useful.

Remove the function and the rpwm component of struct pwrctrl_priv,
which is not used outside of rtw_set_rpwm.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
v2:
- rebased against today's staging-testing branch
- removed changes to files outside of the r8188eu driver

 drivers/staging/r8188eu/core/rtw_pwrctrl.c    | 34 -------------------
 drivers/staging/r8188eu/include/rtw_pwrctrl.h |  2 --
 2 files changed, 36 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_pwrctrl.c b/drivers/staging/r8188eu/core/rtw_pwrctrl.c
index 9f77e75ea1bb..3adcf0f3d012 100644
--- a/drivers/staging/r8188eu/core/rtw_pwrctrl.c
+++ b/drivers/staging/r8188eu/core/rtw_pwrctrl.c
@@ -166,35 +166,6 @@ static void pwr_state_check_handler(struct timer_list *t)
 	rtw_ps_cmd(padapter);
 }
 
-/*
- *
- * Parameters
- *	padapter
- *	pslv			power state level, only could be PS_STATE_S0 ~ PS_STATE_S4
- *
- */
-void rtw_set_rpwm(struct adapter *padapter, u8 pslv)
-{
-	struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
-
-	pslv = PS_STATE(pslv);
-
-	if (pwrpriv->rpwm == pslv)
-		return;
-
-	if ((padapter->bSurpriseRemoved) ||
-	    (!padapter->hw_init_completed)) {
-		return;
-	}
-
-	if (padapter->bDriverStopped) {
-		if (pslv < PS_STATE_S2)
-			return;
-	}
-
-	pwrpriv->rpwm = pslv;
-}
-
 static u8 PS_RDY_CHECK(struct adapter *padapter)
 {
 	u32 curr_time, delta_time;
@@ -244,7 +215,6 @@ void rtw_set_ps_mode(struct adapter *padapter, u8 ps_mode, u8 smart_ps, u8 bcn_a
 		if (pwdinfo->opp_ps == 0) {
 			DBG_88E("rtw_set_ps_mode: Leave 802.11 power save\n");
 			pwrpriv->pwr_mode = ps_mode;
-			rtw_set_rpwm(padapter, PS_STATE_S4);
 			rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
 			pwrpriv->bFwCurrentInPSMode = false;
 		}
@@ -260,8 +230,6 @@ void rtw_set_ps_mode(struct adapter *padapter, u8 ps_mode, u8 smart_ps, u8 bcn_a
 			/*  Set CTWindow after LPS */
 			if (pwdinfo->opp_ps == 1)
 				p2p_ps_wk_cmd(padapter, P2P_PS_ENABLE, 0);
-
-			rtw_set_rpwm(padapter, PS_STATE_S2);
 		}
 	}
 
@@ -396,8 +364,6 @@ void rtw_init_pwrctrl_priv(struct adapter *padapter)
 
 	pwrctrlpriv->bFwCurrentInPSMode = false;
 
-	pwrctrlpriv->rpwm = 0;
-
 	pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
 	pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps;
 	pwrctrlpriv->bcn_ant_mode = 0;
diff --git a/drivers/staging/r8188eu/include/rtw_pwrctrl.h b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
index 6c515e35de4f..4f657bc0d8e7 100644
--- a/drivers/staging/r8188eu/include/rtw_pwrctrl.h
+++ b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
@@ -151,7 +151,6 @@ enum { /*  for ips_mode */
 
 struct pwrctrl_priv {
 	struct semaphore lock;
-	volatile u8 rpwm; /*  requested power state for fw */
 	volatile u8 cpwm_tog; /*  toggling */
 
 	u8	pwr_mode;
@@ -233,7 +232,6 @@ void rtw_free_pwrctrl_priv(struct adapter *adapter);
 
 void rtw_set_ps_mode(struct adapter *adapter, u8 ps_mode, u8 smart_ps,
 		     u8 bcn_ant_mode);
-void rtw_set_rpwm(struct adapter *adapter, u8 val8);
 void LeaveAllPowerSaveMode(struct adapter *adapter);
 void ips_enter(struct adapter *padapter);
 int ips_leave(struct adapter *padapter);
-- 
2.20.1