diff options
| author | Leo Kim <leo.kim@atmel.com> | 2016-04-01 17:44:15 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-28 21:58:42 -0700 |
| commit | 11a54b3f9932efb7d2c07350834bb37ea0ba7cf9 (patch) | |
| tree | 91beeeb934a4a332d57bd120123c6e13e9e2fe03 /drivers/staging/wilc1000/linux_wlan.c | |
| parent | 01c7cee913e431e88159c70dae330dd40aa72677 (diff) | |
| download | op-kernel-dev-11a54b3f9932efb7d2c07350834bb37ea0ba7cf9.zip op-kernel-dev-11a54b3f9932efb7d2c07350834bb37ea0ba7cf9.tar.gz | |
staging: wilc1000: txq_thread_started: replaces a semaphore with a completion
This patch replaces a semaphore(txq_thread_started) with a completion.
Struct semaphore txq_thread_started is used to signal completion of txq thread.
It is better to use completion than semaphore for this case.
Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/wilc1000/linux_wlan.c')
| -rw-r--r-- | drivers/staging/wilc1000/linux_wlan.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c index a858552..2ed2bf3 100644 --- a/drivers/staging/wilc1000/linux_wlan.c +++ b/drivers/staging/wilc1000/linux_wlan.c @@ -22,6 +22,7 @@ #include <linux/skbuff.h> #include <linux/semaphore.h> +#include <linux/completion.h> static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr); @@ -313,12 +314,12 @@ static int linux_wlan_txq_task(void *vp) vif = netdev_priv(dev); wl = vif->wilc; - up(&wl->txq_thread_started); + complete(&wl->txq_thread_started); while (1) { down(&wl->txq_event); if (wl->close) { - up(&wl->txq_thread_started); + complete(&wl->txq_thread_started); while (!kthread_should_stop()) schedule(); @@ -693,8 +694,7 @@ static int wlan_init_locks(struct net_device *dev) sema_init(&wl->cfg_event, 0); sema_init(&wl->sync_event, 0); - - sema_init(&wl->txq_thread_started, 0); + init_completion(&wl->txq_thread_started); return 0; } @@ -731,7 +731,7 @@ static int wlan_initialize_threads(struct net_device *dev) wilc->close = 0; return -ENOBUFS; } - down(&wilc->txq_thread_started); + wait_for_completion(&wilc->txq_thread_started); return 0; } |
