[PATCH 1/4] staging: rtl8188eu: change bLeisurePs' type to bool

[PATCH 1/4] staging: rtl8188eu: change bLeisurePs' type to bool

[Martin Kaiser]

bLeisurePs is used as a boolean variable. Change its type from
u8 to bool.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
---
 drivers/staging/rtl8188eu/include/rtw_pwrctrl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h b/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h
index 06062643c868..4345dc0c7cf9 100644
--- a/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h
+++ b/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h
@@ -171,7 +171,7 @@ struct pwrctrl_priv {
 	unsigned long ips_deny_time; /* will deny IPS when system time less than this */
 	u8 ps_processing; /* temp used to mark whether in rtw_ps_processor */
 
-	u8	bLeisurePs;
+	bool	bLeisurePs;
 	u8	LpsIdleCount;
 	u8	power_mgnt;
 	u8	bFwCurrentInPSMode;
-- 
2.20.1

[PATCH 2/4] staging: rtl8188eu: remove constant variable and dead code

[Martin Kaiser]

g_wifi_on is always true. Remove the variable and the code that would
be run only if g_wifi_on was false.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
---
 drivers/staging/rtl8188eu/os_dep/rtw_android.c | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/drivers/staging/rtl8188eu/os_dep/rtw_android.c b/drivers/staging/rtl8188eu/os_dep/rtw_android.c
index f5763a9d70c5..2d21767bc1a3 100644
--- a/drivers/staging/rtl8188eu/os_dep/rtw_android.c
+++ b/drivers/staging/rtl8188eu/os_dep/rtw_android.c
@@ -53,15 +53,9 @@ struct android_wifi_priv_cmd {
 };
 
 /**
- * Local (static) functions and variables
+ * Local (static) functions
  */
 
-/* Initialize g_wifi_on to 1 so dhd_bus_start will be called for the first
- * time (only) in dhd_open, subsequential wifi on will be handled by
- * wl_android_wifi_on
- */
-static int g_wifi_on = true;
-
 int rtw_android_cmdstr_to_num(char *cmdstr)
 {
 	int cmd_num;
@@ -154,12 +148,6 @@ int rtw_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
 	case ANDROID_WIFI_CMD_SETFWPATH:
 		goto response;
 	}
-	if (!g_wifi_on) {
-		DBG_88E("%s: Ignore private cmd \"%s\" - iface %s is down\n",
-			__func__, command, ifr->ifr_name);
-		ret = 0;
-		goto free;
-	}
 	switch (cmd_num) {
 	case ANDROID_WIFI_CMD_STOP:
 		break;
@@ -244,7 +232,6 @@ int rtw_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
 	} else {
 		ret = bytes_written;
 	}
-free:
 	kfree(command);
 	return ret;
 }
-- 
2.20.1

Re: [PATCH 2/4] staging: rtl8188eu: remove constant variable and dead code

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 2855 bytes --]

Hi Martin,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on staging/staging-testing]

url:    https://github.com/0day-ci/linux/commits/Martin-Kaiser/staging-rtl8188eu-change-bLeisurePs-type-to-bool/20210418-020200
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 71d3edc61e29e45b613b841108688d711846f969
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/c2b80185c47f9f13ed748eca0df39494668481ee
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Martin-Kaiser/staging-rtl8188eu-change-bLeisurePs-type-to-bool/20210418-020200
        git checkout c2b80185c47f9f13ed748eca0df39494668481ee
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/staging/rtl8188eu/os_dep/rtw_android.c:60: warning: Function parameter or member 'cmdstr' not described in 'rtw_android_cmdstr_to_num'
>> drivers/staging/rtl8188eu/os_dep/rtw_android.c:60: warning: expecting prototype for functions(). Prototype was for rtw_android_cmdstr_to_num() instead


vim +60 drivers/staging/rtl8188eu/os_dep/rtw_android.c

5adef66acf7370 Larry Finger         2013-08-21  54  
5adef66acf7370 Larry Finger         2013-08-21  55  /**
c2b80185c47f9f Martin Kaiser        2021-04-17  56   * Local (static) functions
5adef66acf7370 Larry Finger         2013-08-21  57   */
5adef66acf7370 Larry Finger         2013-08-21  58  
5adef66acf7370 Larry Finger         2013-08-21  59  int rtw_android_cmdstr_to_num(char *cmdstr)
5adef66acf7370 Larry Finger         2013-08-21 @60  {
5adef66acf7370 Larry Finger         2013-08-21  61  	int cmd_num;
37ad17a4b48ca7 Yamanappagouda Patil 2016-12-22  62  
5adef66acf7370 Larry Finger         2013-08-21  63  	for (cmd_num = 0; cmd_num < ANDROID_WIFI_CMD_MAX; cmd_num++)
fd078b42096163 Puranjay Mohan       2019-05-21  64  		if (!strncasecmp(cmdstr, android_wifi_cmd_str[cmd_num],
5adef66acf7370 Larry Finger         2013-08-21  65  				 strlen(android_wifi_cmd_str[cmd_num])))
5adef66acf7370 Larry Finger         2013-08-21  66  			break;
5adef66acf7370 Larry Finger         2013-08-21  67  	return cmd_num;
5adef66acf7370 Larry Finger         2013-08-21  68  }
5adef66acf7370 Larry Finger         2013-08-21  69  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 67515 bytes --]

[PATCH 3/4] staging: rtl8188eu: cmdThread is a task_struct

[Martin Kaiser]

cmdThread is the return value of kthread_run, i.e. a struct task_struct.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
---
 drivers/staging/rtl8188eu/include/drv_types.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8188eu/include/drv_types.h b/drivers/staging/rtl8188eu/include/drv_types.h
index 0a3acb378d6d..4116051a9a65 100644
--- a/drivers/staging/rtl8188eu/include/drv_types.h
+++ b/drivers/staging/rtl8188eu/include/drv_types.h
@@ -150,7 +150,7 @@ struct adapter {
 
 	u8	hw_init_completed;
 
-	void *cmdThread;
+	struct task_struct *cmdThread;
 	struct  net_device *pnetdev;
 	struct  net_device *pmondev;
 
-- 
2.20.1

[PATCH 4/4] staging: rtl8188eu: remove unused function parameters

[Martin Kaiser]

The Enable and Linked parameters of _BeaconFunctionEnable are not used.
Remove them.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
---
 drivers/staging/rtl8188eu/hal/usb_halinit.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/rtl8188eu/hal/usb_halinit.c b/drivers/staging/rtl8188eu/hal/usb_halinit.c
index abe58cf2de16..80cdcf6f7879 100644
--- a/drivers/staging/rtl8188eu/hal/usb_halinit.c
+++ b/drivers/staging/rtl8188eu/hal/usb_halinit.c
@@ -574,8 +574,7 @@ static void _InitBeaconParameters(struct adapter *Adapter)
 	haldata->RegCR_1 = usb_read8(Adapter, REG_CR + 1);
 }
 
-static void _BeaconFunctionEnable(struct adapter *Adapter,
-				  bool Enable, bool Linked)
+static void _BeaconFunctionEnable(struct adapter *Adapter)
 {
 	usb_write8(Adapter, REG_BCN_CTRL, (BIT(4) | BIT(3) | BIT(1)));
 
@@ -1961,7 +1960,7 @@ void beacon_timing_control(struct adapter *adapt)
 	usb_write8(adapt,  REG_RXTSF_OFFSET_CCK, 0x50);
 	usb_write8(adapt, REG_RXTSF_OFFSET_OFDM, 0x50);
 
-	_BeaconFunctionEnable(adapt, true, true);
+	_BeaconFunctionEnable(adapt);
 
 	ResumeTxBeacon(adapt);
 
-- 
2.20.1

[PATCH v2 1/4] staging: rtl8188eu: change bLeisurePs' type to bool

[Martin Kaiser]

bLeisurePs is used as a boolean variable. Change its type from
u8 to bool.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
---
v2:
 - no change, re-sending the entire series

 drivers/staging/rtl8188eu/include/rtw_pwrctrl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h b/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h
index 06062643c868..4345dc0c7cf9 100644
--- a/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h
+++ b/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h
@@ -171,7 +171,7 @@ struct pwrctrl_priv {
 	unsigned long ips_deny_time; /* will deny IPS when system time less than this */
 	u8 ps_processing; /* temp used to mark whether in rtw_ps_processor */
 
-	u8	bLeisurePs;
+	bool	bLeisurePs;
 	u8	LpsIdleCount;
 	u8	power_mgnt;
 	u8	bFwCurrentInPSMode;
-- 
2.20.1

[PATCH v2 2/4] staging: rtl8188eu: remove constant variable and dead code

[Martin Kaiser]

g_wifi_on is always true. Remove the variable and the code that would
be run only if g_wifi_on was false.

While at it, remove a pointlesss comment that starts with /** and is
misinterpreted as a kernel-doc comment.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Reported-by: kernel test robot <lkp@intel.com>
---
v2:
 - fix compiler warning, remove a comment that looks like kernel-doc

 drivers/staging/rtl8188eu/os_dep/rtw_android.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/drivers/staging/rtl8188eu/os_dep/rtw_android.c b/drivers/staging/rtl8188eu/os_dep/rtw_android.c
index f5763a9d70c5..f1470ac56874 100644
--- a/drivers/staging/rtl8188eu/os_dep/rtw_android.c
+++ b/drivers/staging/rtl8188eu/os_dep/rtw_android.c
@@ -52,16 +52,6 @@ struct android_wifi_priv_cmd {
 	int total_len;
 };
 
-/**
- * Local (static) functions and variables
- */
-
-/* Initialize g_wifi_on to 1 so dhd_bus_start will be called for the first
- * time (only) in dhd_open, subsequential wifi on will be handled by
- * wl_android_wifi_on
- */
-static int g_wifi_on = true;
-
 int rtw_android_cmdstr_to_num(char *cmdstr)
 {
 	int cmd_num;
@@ -154,12 +144,6 @@ int rtw_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
 	case ANDROID_WIFI_CMD_SETFWPATH:
 		goto response;
 	}
-	if (!g_wifi_on) {
-		DBG_88E("%s: Ignore private cmd \"%s\" - iface %s is down\n",
-			__func__, command, ifr->ifr_name);
-		ret = 0;
-		goto free;
-	}
 	switch (cmd_num) {
 	case ANDROID_WIFI_CMD_STOP:
 		break;
@@ -244,7 +228,6 @@ int rtw_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
 	} else {
 		ret = bytes_written;
 	}
-free:
 	kfree(command);
 	return ret;
 }
-- 
2.20.1

[PATCH v2 3/4] staging: rtl8188eu: cmdThread is a task_struct

[Martin Kaiser]

cmdThread is the return value of kthread_run, i.e. a struct task_struct.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
---
v2:
 - no change, re-sending the entire series

 drivers/staging/rtl8188eu/include/drv_types.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8188eu/include/drv_types.h b/drivers/staging/rtl8188eu/include/drv_types.h
index 0a3acb378d6d..4116051a9a65 100644
--- a/drivers/staging/rtl8188eu/include/drv_types.h
+++ b/drivers/staging/rtl8188eu/include/drv_types.h
@@ -150,7 +150,7 @@ struct adapter {
 
 	u8	hw_init_completed;
 
-	void *cmdThread;
+	struct task_struct *cmdThread;
 	struct  net_device *pnetdev;
 	struct  net_device *pmondev;
 
-- 
2.20.1

[PATCH v2 4/4] staging: rtl8188eu: remove unused function parameters

[Martin Kaiser]

The Enable and Linked parameters of _BeaconFunctionEnable are not used.
Remove them.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
---
v2:
 - no change, re-sending the entire series

 drivers/staging/rtl8188eu/hal/usb_halinit.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/rtl8188eu/hal/usb_halinit.c b/drivers/staging/rtl8188eu/hal/usb_halinit.c
index abe58cf2de16..80cdcf6f7879 100644
--- a/drivers/staging/rtl8188eu/hal/usb_halinit.c
+++ b/drivers/staging/rtl8188eu/hal/usb_halinit.c
@@ -574,8 +574,7 @@ static void _InitBeaconParameters(struct adapter *Adapter)
 	haldata->RegCR_1 = usb_read8(Adapter, REG_CR + 1);
 }
 
-static void _BeaconFunctionEnable(struct adapter *Adapter,
-				  bool Enable, bool Linked)
+static void _BeaconFunctionEnable(struct adapter *Adapter)
 {
 	usb_write8(Adapter, REG_BCN_CTRL, (BIT(4) | BIT(3) | BIT(1)));
 
@@ -1961,7 +1960,7 @@ void beacon_timing_control(struct adapter *adapt)
 	usb_write8(adapt,  REG_RXTSF_OFFSET_CCK, 0x50);
 	usb_write8(adapt, REG_RXTSF_OFFSET_OFDM, 0x50);
 
-	_BeaconFunctionEnable(adapt, true, true);
+	_BeaconFunctionEnable(adapt);
 
 	ResumeTxBeacon(adapt);
 
-- 
2.20.1