[PATCH 0/5] staging: r8188eu: clean up struct pwrctrl_priv

[PATCH 0/5] staging: r8188eu: clean up struct pwrctrl_priv

[Michael Straube]

Tis series removes unused and set but never changed fields from the
pwrctrl_priv structure.

Tested on x86_64 with Inter-Tech DMG-02.

Michael Straube (5):
  staging: r8188eu: remove unused fields from struct pwrctrl_priv
  staging: r8188eu: reg_rfoff is never set
  staging: r8188eu: pnp_bstop_trx is never set
  staging: r8188eu: pwr_state_check_cnts is always zero
  staging: r8188eu: ps_flag is never set

 drivers/staging/r8188eu/core/rtw_pwrctrl.c     |  4 +---
 drivers/staging/r8188eu/hal/usb_halinit.c      |  4 ----
 drivers/staging/r8188eu/hal/usb_ops_linux.c    |  7 +++----
 drivers/staging/r8188eu/include/rtw_pwrctrl.h  | 14 --------------
 drivers/staging/r8188eu/os_dep/os_intfs.c      | 10 ----------
 drivers/staging/r8188eu/os_dep/usb_ops_linux.c |  3 +--
 6 files changed, 5 insertions(+), 37 deletions(-)

-- 
2.35.1

[PATCH 1/5] staging: r8188eu: remove unused fields from struct pwrctrl_priv

[Michael Straube]

There are some unused fields in the pwrctrl_priv structure.
Remove them.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/r8188eu/include/rtw_pwrctrl.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/staging/r8188eu/include/rtw_pwrctrl.h b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
index 4cc365aa3fa7..b0d48106fe56 100644
--- a/drivers/staging/r8188eu/include/rtw_pwrctrl.h
+++ b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
@@ -47,16 +47,10 @@ struct pwrctrl_priv {
 	u8	smart_ps;
 	u8	bcn_ant_mode;
 
-	u32	alives;
-	struct work_struct cpwm_event;
 	bool	bpower_saving;
 
 	u8	reg_rfoff;
-	u8	reg_pdnmode; /* powerdown mode */
 
-	/* RF OFF Level */
-	u32	cur_ps_level;
-	u32	reg_rfps_level;
 	uint	ips_enter_cnts;
 	uint	ips_leave_cnts;
 
@@ -72,7 +66,6 @@ struct pwrctrl_priv {
 	u8	power_mgnt;
 	u8	bFwCurrentInPSMode;
 	u32	DelayLPSLastTimeStamp;
-	s32		pnp_current_pwr_state;
 	u8		pnp_bstop_trx;
 
 	u8		bInSuspend;
@@ -86,7 +79,6 @@ struct pwrctrl_priv {
 	enum rt_rf_power_state	rf_pwrstate;/* cur power state */
 	enum rt_rf_power_state	change_rfpwrstate;
 
-	u8		wepkeymask;
 	u8		bkeepfwalive;
 };
 
-- 
2.35.1

[PATCH 2/5] staging: r8188eu: reg_rfoff is never set

[Michael Straube]

The field reg_rfoff in struct pwrctrl_priv is never set. It stays at
its default value 0. Remove it and remove related dead code.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/r8188eu/hal/usb_halinit.c     | 4 ----
 drivers/staging/r8188eu/include/rtw_pwrctrl.h | 2 --
 2 files changed, 6 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/usb_halinit.c b/drivers/staging/r8188eu/hal/usb_halinit.c
index 4bc6b08fb282..21ab6881796e 100644
--- a/drivers/staging/r8188eu/hal/usb_halinit.c
+++ b/drivers/staging/r8188eu/hal/usb_halinit.c
@@ -539,10 +539,6 @@ u32 rtl8188eu_hal_init(struct adapter *Adapter)
 	/*  Save target channel */
 	haldata->CurrentChannel = 6;/* default set to 6 */
 
-	if (pwrctrlpriv->reg_rfoff) {
-		pwrctrlpriv->rf_pwrstate = rf_off;
-	}
-
 	/*  2010/08/09 MH We need to check if we need to turnon or off RF after detecting */
 	/*  HW GPIO pin. Before PHY_RFConfig8192C. */
 	/*  2010/08/26 MH If Efuse does not support sective suspend then disable the function. */
diff --git a/drivers/staging/r8188eu/include/rtw_pwrctrl.h b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
index b0d48106fe56..3efcc65b2f6e 100644
--- a/drivers/staging/r8188eu/include/rtw_pwrctrl.h
+++ b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
@@ -49,8 +49,6 @@ struct pwrctrl_priv {
 
 	bool	bpower_saving;
 
-	u8	reg_rfoff;
-
 	uint	ips_enter_cnts;
 	uint	ips_leave_cnts;
 
-- 
2.35.1

[PATCH 3/5] staging: r8188eu: pnp_bstop_trx is never set

[Michael Straube]

The field pnp_bstop_trx in struct pwrctrl_priv is never set. It stays
at its default value 0. Remove it and remove related dead code.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/r8188eu/hal/usb_ops_linux.c    | 7 +++----
 drivers/staging/r8188eu/include/rtw_pwrctrl.h  | 1 -
 drivers/staging/r8188eu/os_dep/usb_ops_linux.c | 3 +--
 3 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
index e5d6cd6228f2..6a65dcf57112 100644
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
@@ -16,7 +16,7 @@ static int usb_read(struct intf_hdl *intf, u16 value, void *data, u8 size)
 	int status;
 	u8 io_buf[4];
 
-	if (adapt->bSurpriseRemoved || adapt->pwrctrlpriv.pnp_bstop_trx)
+	if (adapt->bSurpriseRemoved)
 		return -EPERM;
 
 	status = usb_control_msg_recv(udev, 0, REALTEK_USB_VENQT_CMD_REQ,
@@ -59,7 +59,7 @@ static int usb_write(struct intf_hdl *intf, u16 value, void *data, u8 size)
 	int status;
 	u8 io_buf[VENDOR_CMD_MAX_DATA_LEN];
 
-	if (adapt->bSurpriseRemoved || adapt->pwrctrlpriv.pnp_bstop_trx)
+	if (adapt->bSurpriseRemoved)
 		return -EPERM;
 
 	memcpy(io_buf, data, size);
@@ -414,8 +414,7 @@ u32 rtw_read_port(struct adapter *adapter, u8 *rmem)
 	size_t alignment = 0;
 	u32 ret = _SUCCESS;
 
-	if (adapter->bDriverStopped || adapter->bSurpriseRemoved ||
-	    adapter->pwrctrlpriv.pnp_bstop_trx)
+	if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
 		return _FAIL;
 
 	if (!precvbuf)
diff --git a/drivers/staging/r8188eu/include/rtw_pwrctrl.h b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
index 3efcc65b2f6e..94a65056a77e 100644
--- a/drivers/staging/r8188eu/include/rtw_pwrctrl.h
+++ b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
@@ -64,7 +64,6 @@ struct pwrctrl_priv {
 	u8	power_mgnt;
 	u8	bFwCurrentInPSMode;
 	u32	DelayLPSLastTimeStamp;
-	u8		pnp_bstop_trx;
 
 	u8		bInSuspend;
 	u8		bSupportRemoteWakeup;
diff --git a/drivers/staging/r8188eu/os_dep/usb_ops_linux.c b/drivers/staging/r8188eu/os_dep/usb_ops_linux.c
index c4b6dbc8d66d..8ca16861bfcc 100644
--- a/drivers/staging/r8188eu/os_dep/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/os_dep/usb_ops_linux.c
@@ -106,8 +106,7 @@ u32 rtw_write_port(struct adapter *padapter, u32 addr, u32 cnt, u8 *wmem)
 	struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitbuf->priv_data;
 	struct usb_device *pusbd = pdvobj->pusbdev;
 
-	if ((padapter->bDriverStopped) || (padapter->bSurpriseRemoved) ||
-	    (padapter->pwrctrlpriv.pnp_bstop_trx)) {
+	if (padapter->bDriverStopped || padapter->bSurpriseRemoved) {
 		rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_TX_DENY);
 		goto exit;
 	}
-- 
2.35.1

[PATCH 4/5] staging: r8188eu: pwr_state_check_cnts is always zero

[Michael Straube]

The field pwr_state_check_cnts in struct pwrctrl_priv is set to 0 and
never changed. Remove it and remove related dead code.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/r8188eu/core/rtw_pwrctrl.c    | 4 +---
 drivers/staging/r8188eu/include/rtw_pwrctrl.h | 1 -
 drivers/staging/r8188eu/os_dep/os_intfs.c     | 3 ---
 3 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_pwrctrl.c b/drivers/staging/r8188eu/core/rtw_pwrctrl.c
index 5d468e8b4920..939909e5316f 100644
--- a/drivers/staging/r8188eu/core/rtw_pwrctrl.c
+++ b/drivers/staging/r8188eu/core/rtw_pwrctrl.c
@@ -133,9 +133,8 @@ void rtw_ps_processor(struct adapter *padapter)
 	if (!rtw_pwr_unassociated_idle(padapter))
 		goto exit;
 
-	if ((pwrpriv->rf_pwrstate == rf_on) && ((pwrpriv->pwr_state_check_cnts % 4) == 0)) {
+	if (pwrpriv->rf_pwrstate == rf_on) {
 		pwrpriv->change_rfpwrstate = rf_off;
-
 		ips_enter(padapter);
 	}
 exit:
@@ -342,7 +341,6 @@ void rtw_init_pwrctrl_priv(struct adapter *padapter)
 	pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode;
 
 	pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL;
-	pwrctrlpriv->pwr_state_check_cnts = 0;
 	pwrctrlpriv->bInSuspend = false;
 	pwrctrlpriv->bkeepfwalive = false;
 
diff --git a/drivers/staging/r8188eu/include/rtw_pwrctrl.h b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
index 94a65056a77e..162792988910 100644
--- a/drivers/staging/r8188eu/include/rtw_pwrctrl.h
+++ b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
@@ -69,7 +69,6 @@ struct pwrctrl_priv {
 	u8		bSupportRemoteWakeup;
 	struct timer_list pwr_state_check_timer;
 	int		pwr_state_check_interval;
-	u8		pwr_state_check_cnts;
 
 	int		ps_flag;
 
diff --git a/drivers/staging/r8188eu/os_dep/os_intfs.c b/drivers/staging/r8188eu/os_dep/os_intfs.c
index c531504acc9e..5a9374957e3a 100644
--- a/drivers/staging/r8188eu/os_dep/os_intfs.c
+++ b/drivers/staging/r8188eu/os_dep/os_intfs.c
@@ -441,7 +441,6 @@ static void rtw_init_default_value(struct adapter *padapter)
 u8 rtw_reset_drv_sw(struct adapter *padapter)
 {
 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
-	struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
 
 	/* hal_priv */
 	rtl8188eu_init_default_value(padapter);
@@ -457,8 +456,6 @@ u8 rtw_reset_drv_sw(struct adapter *padapter)
 
 	_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING);
 
-	pwrctrlpriv->pwr_state_check_cnts = 0;
-
 	/* mlmeextpriv */
 	padapter->mlmeextpriv.sitesurvey_res.state = SCAN_DISABLE;
 
-- 
2.35.1

[PATCH 5/5] staging: r8188eu: ps_flag is never set

[Michael Straube]

The field ps_flag in struct pwrctrl_priv is never set. It stays at its
default value 0. Remove it and remove related dead code.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/r8188eu/include/rtw_pwrctrl.h | 2 --
 drivers/staging/r8188eu/os_dep/os_intfs.c     | 7 -------
 2 files changed, 9 deletions(-)

diff --git a/drivers/staging/r8188eu/include/rtw_pwrctrl.h b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
index 162792988910..1d7dba853c40 100644
--- a/drivers/staging/r8188eu/include/rtw_pwrctrl.h
+++ b/drivers/staging/r8188eu/include/rtw_pwrctrl.h
@@ -70,8 +70,6 @@ struct pwrctrl_priv {
 	struct timer_list pwr_state_check_timer;
 	int		pwr_state_check_interval;
 
-	int		ps_flag;
-
 	enum rt_rf_power_state	rf_pwrstate;/* cur power state */
 	enum rt_rf_power_state	change_rfpwrstate;
 
diff --git a/drivers/staging/r8188eu/os_dep/os_intfs.c b/drivers/staging/r8188eu/os_dep/os_intfs.c
index 5a9374957e3a..390d1cc0ecb0 100644
--- a/drivers/staging/r8188eu/os_dep/os_intfs.c
+++ b/drivers/staging/r8188eu/os_dep/os_intfs.c
@@ -625,12 +625,6 @@ int _netdev_open(struct net_device *pnetdev)
 {
 	uint status;
 	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
-	struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
-
-	if (pwrctrlpriv->ps_flag) {
-		padapter->net_closed = false;
-		goto netdev_open_normal_process;
-	}
 
 	if (!padapter->bup) {
 		padapter->bDriverStopped = false;
@@ -674,7 +668,6 @@ int _netdev_open(struct net_device *pnetdev)
 
 	netdev_br_init(pnetdev);
 
-netdev_open_normal_process:
 	return 0;
 
 netdev_open_error:
-- 
2.35.1