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staging: wilc1000: use completion instead of struct semaphore hif_sema_thread

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struct semaphore hif_sema_thread is used to signal completion of host
interface thread. This patch replaces struct semaphore hif_sema_thread
with struct completion hif_thread_comp. It is better to use completion
than semaphore for this case.

Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chaehyun Lim 2016-03-23 21:28:33 +09:00 committed by Greg Kroah-Hartman
parent 85d83cd8c6
commit 04dd9a4211
1 changed files with 4 additions and 4 deletions
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8
drivers/staging/wilc1000/host_interface.c
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@ -231,7 +231,7 @@ bool wilc_optaining_ip;
static u8 P2P_LISTEN_STATE;
static struct task_struct *hif_thread_handler;
static struct message_queue hif_msg_q;
static struct semaphore hif_sema_thread;
static struct completion hif_thread_comp;
static struct semaphore hif_sema_driver;
static struct completion hif_wait_response;
static struct mutex hif_deinit_lock;
@ -2668,7 +2668,7 @@ static int hostIFthread(void *pvArg)
}
}
up(&hif_sema_thread);
complete(&hif_thread_comp);
return 0;
}
@ -3400,7 +3400,7 @@ int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler)
wilc_optaining_ip = false;
if (clients_count == 0) {
sema_init(&hif_sema_thread, 0);
init_completion(&hif_thread_comp);
sema_init(&hif_sema_driver, 0);
mutex_init(&hif_deinit_lock);
}
@ -3503,7 +3503,7 @@ int wilc_deinit(struct wilc_vif *vif)
if (result != 0)
netdev_err(vif->ndev, "deinit : Error(%d)\n", result);
down(&hif_sema_thread);
wait_for_completion(&hif_thread_comp);
wilc_mq_destroy(&hif_msg_q);
}