staging: wilc1000: remove mutex txq_cs and it's related codes

mutex txq_cs is never used in the driver. txq_cs, txq_critical_section and
txq_lock have same pointer so just delete them and it's related codes.

Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c
index 519fb16..3547750 100644 (file)
--- a/drivers/staging/wilc1000/linux_wlan.c
+++ b/drivers/staging/wilc1000/linux_wlan.c
@@ -1020,7 +1020,6 @@ int wlan_init_locks(linux_wlan_t *p_nic)
 
        mutex_init(&g_linux_wlan->hif_cs);
        mutex_init(&g_linux_wlan->rxq_cs);
-       mutex_init(&g_linux_wlan->txq_cs);
 
        spin_lock_init(&g_linux_wlan->txq_spinlock);
        sema_init(&g_linux_wlan->txq_add_to_head_cs, 1);
@@ -1045,9 +1044,6 @@ static int wlan_deinit_locks(linux_wlan_t *nic)
        if (&g_linux_wlan->rxq_cs != NULL)
                mutex_destroy(&g_linux_wlan->rxq_cs);
 
-       if (&g_linux_wlan->txq_cs != NULL)
-               mutex_destroy(&g_linux_wlan->txq_cs);
-
        return 0;
 }
 void linux_to_wlan(wilc_wlan_inp_t *nwi, linux_wlan_t *nic)
@@ -1056,7 +1052,6 @@ void linux_to_wlan(wilc_wlan_inp_t *nwi, linux_wlan_t *nic)
        PRINT_D(INIT_DBG, "Linux to Wlan services ...\n");
 
        nwi->os_context.os_private = (void *)nic;
-       nwi->os_context.txq_critical_section = (void *)&g_linux_wlan->txq_cs;
        nwi->os_func.os_wait = linux_wlan_lock_timeout;
 
 #ifdef WILC_SDIO

diff --git a/drivers/staging/wilc1000/wilc_wfi_netdevice.h b/drivers/staging/wilc1000/wilc_wfi_netdevice.h
index b24b9a9..e844306 100644 (file)
--- a/drivers/staging/wilc1000/wilc_wfi_netdevice.h
+++ b/drivers/staging/wilc1000/wilc_wfi_netdevice.h
@@ -169,7 +169,6 @@ typedef struct {
        u8 u8NoIfcs;
        tstrInterfaceInfo strInterfaceInfo[NUM_CONCURRENT_IFC];
        u8 open_ifcs;
-       struct mutex txq_cs;
 
        struct semaphore txq_add_to_head_cs;
        spinlock_t txq_spinlock;

diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c
index 46f96c3..aa20f43 100644 (file)
--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -63,7 +63,6 @@ typedef struct {
        /**
         *      TX queue
         **/
-       void *txq_lock;
 
        unsigned long txq_spinlock_flags;
 
@@ -1966,7 +1965,6 @@ int wilc_wlan_init(wilc_wlan_inp_t *inp, wilc_wlan_oup_t *oup)
         **/
        memcpy((void *)&g_wlan.os_func, (void *)&inp->os_func, sizeof(wilc_wlan_os_func_t));
        memcpy((void *)&g_wlan.io_func, (void *)&inp->io_func, sizeof(wilc_wlan_io_func_t));
-       g_wlan.txq_lock = inp->os_context.txq_critical_section;
        /***
         *      host interface init
         **/

diff --git a/drivers/staging/wilc1000/wilc_wlan_if.h b/drivers/staging/wilc1000/wilc_wlan_if.h
index e87d7cc..0a377e1 100644 (file)
--- a/drivers/staging/wilc1000/wilc_wlan_if.h
+++ b/drivers/staging/wilc1000/wilc_wlan_if.h
@@ -107,7 +107,6 @@ typedef struct {
 
 typedef struct {
        void *os_private;
-       void *txq_critical_section;
 } wilc_wlan_os_context_t;
 
 typedef struct {