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staging: wilc1000: remove unused semaphore and it's related codes

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Variable rxq_event, rxq_wait_event and rxq_wait have the same pointer.

nwi->os_context.rxq_wait_event = (void *)&g_linux_wlan->rxq_event;
g_wlan.rxq_wait = inp->os_context.rxq_wait_event;

They are never aquired(down) since down function was only called in
linux_wlan_rxq_task which was deleted in a previous patch.
So delete variable rxq_event, rxq_wait_event, rxq_wait and it's related codes.

Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Glen Lee 2015-09-16 18:53:25 +09:00 committed by Greg Kroah-Hartman
parent 51f8a39911
commit 85718c2d6b
4 changed files with 0 additions and 14 deletions
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9
drivers/staging/wilc1000/linux_wlan.c
View File

@ -1088,10 +1088,6 @@ void wilc1000_wlan_deinit(linux_wlan_t *nic)
#endif
#endif
/* not sure if the following unlocks are needed or not*/
if (&g_linux_wlan->rxq_event != NULL)
up(&g_linux_wlan->rxq_event);
if (&g_linux_wlan->txq_event != NULL)
up(&g_linux_wlan->txq_event);
@ -1156,7 +1152,6 @@ int wlan_init_locks(linux_wlan_t *p_nic)
sema_init(&g_linux_wlan->txq_add_to_head_cs, 1);
sema_init(&g_linux_wlan->txq_event, 0);
sema_init(&g_linux_wlan->rxq_event, 0);
sema_init(&g_linux_wlan->cfg_event, 0);
sema_init(&g_linux_wlan->sync_event, 0);
@ -1207,7 +1202,6 @@ void linux_to_wlan(wilc_wlan_inp_t *nwi, linux_wlan_t *nic)
nwi->os_context.rx_buffer_size = LINUX_RX_SIZE;
#endif
nwi->os_context.rxq_critical_section = (void *)&g_linux_wlan->rxq_cs;
nwi->os_context.rxq_wait_event = (void *)&g_linux_wlan->rxq_event;
nwi->os_context.cfg_wait_event = (void *)&g_linux_wlan->cfg_event;
nwi->os_func.os_debug = linux_wlan_dbg;
@ -1282,7 +1276,6 @@ int wlan_initialize_threads(perInterface_wlan_t *nic)
_fail_2:
/*De-Initialize 2nd thread*/
g_linux_wlan->close = 1;
up(&g_linux_wlan->rxq_event);
kthread_stop(g_linux_wlan->rxq_thread);
#if (RX_BH_TYPE == RX_BH_KTHREAD)
@ -1301,8 +1294,6 @@ static void wlan_deinitialize_threads(linux_wlan_t *nic)
g_linux_wlan->close = 1;
PRINT_D(INIT_DBG, "Deinitializing Threads\n");
if (&g_linux_wlan->rxq_event != NULL)
up(&g_linux_wlan->rxq_event);
if (g_linux_wlan->rxq_thread != NULL) {
kthread_stop(g_linux_wlan->rxq_thread);

1
drivers/staging/wilc1000/wilc_wfi_netdevice.h
View File

@ -187,7 +187,6 @@ typedef struct {
struct mutex rxq_cs;
struct mutex hif_cs;
struct semaphore rxq_event;
struct semaphore cfg_event;
struct semaphore sync_event;
struct semaphore txq_event;

3
drivers/staging/wilc1000/wilc_wlan.c
View File

@ -90,7 +90,6 @@ typedef struct {
struct rxq_entry_t *rxq_head;
struct rxq_entry_t *rxq_tail;
int rxq_entries;
void *rxq_wait;
int rxq_exit;
@ -1398,7 +1397,6 @@ _end_:
rqe->buffer_size = size;
PRINT_D(RX_DBG, "rxq entery Size= %d - Address = %p\n", rqe->buffer_size, rqe->buffer);
wilc_wlan_rxq_add(rqe);
up(p->rxq_wait);
}
} else {
#ifndef MEMORY_STATIC
@ -2049,7 +2047,6 @@ int wilc_wlan_init(wilc_wlan_inp_t *inp, wilc_wlan_oup_t *oup)
g_wlan.rxq_lock = inp->os_context.rxq_critical_section;
g_wlan.txq_wait = inp->os_context.txq_wait_event;
g_wlan.rxq_wait = inp->os_context.rxq_wait_event;
g_wlan.cfg_wait = inp->os_context.cfg_wait_event;
g_wlan.tx_buffer_size = inp->os_context.tx_buffer_size;
#if defined (MEMORY_STATIC)

1
drivers/staging/wilc1000/wilc_wlan_if.h
View File

@ -137,7 +137,6 @@ typedef struct {
u32 rx_buffer_size;
#endif
void *rxq_critical_section;
void *rxq_wait_event;
struct semaphore *cfg_wait_event;
} wilc_wlan_os_context_t;