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authorBinoy Jayan <binoy.jayan@linaro.org>2016-06-15 11:00:34 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-06-25 14:39:53 -0700
commitb27a6d5e636ac80b223a18ca2b3c892f1caef9e3 (patch)
tree5cad4443b8f278b9a6b2ad1cf1aa5446eb2cfa31 /drivers/staging/wilc1000
parentb9811891a9f60ca9c314dcab3244c65930c4cf37 (diff)
staging: wilc1000: Replace semaphore txq_event with completion
The semaphore 'txq_event' is used as completion, so convert it to a struct completion type. Signed-off-by: Binoy Jayan <binoy.jayan@linaro.org> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/wilc1000')
-rw-r--r--drivers/staging/wilc1000/linux_wlan.c8
-rw-r--r--drivers/staging/wilc1000/wilc_wfi_netdevice.h3
-rw-r--r--drivers/staging/wilc1000/wilc_wlan.c8
3 files changed, 11 insertions, 8 deletions
diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c
index 274c390d17cd..baf932681362 100644
--- a/drivers/staging/wilc1000/linux_wlan.c
+++ b/drivers/staging/wilc1000/linux_wlan.c
@@ -316,7 +316,7 @@ static int linux_wlan_txq_task(void *vp)
complete(&wl->txq_thread_started);
while (1) {
- down(&wl->txq_event);
+ wait_for_completion(&wl->txq_event);
if (wl->close) {
complete(&wl->txq_thread_started);
@@ -650,7 +650,7 @@ void wilc1000_wlan_deinit(struct net_device *dev)
mutex_unlock(&wl->hif_cs);
}
if (&wl->txq_event)
- up(&wl->txq_event);
+ wait_for_completion(&wl->txq_event);
wlan_deinitialize_threads(dev);
deinit_irq(dev);
@@ -681,7 +681,7 @@ static int wlan_init_locks(struct net_device *dev)
spin_lock_init(&wl->txq_spinlock);
sema_init(&wl->txq_add_to_head_cs, 1);
- sema_init(&wl->txq_event, 0);
+ init_completion(&wl->txq_event);
sema_init(&wl->cfg_event, 0);
sema_init(&wl->sync_event, 0);
@@ -738,7 +738,7 @@ static void wlan_deinitialize_threads(struct net_device *dev)
wl->close = 1;
if (&wl->txq_event)
- up(&wl->txq_event);
+ complete(&wl->txq_event);
if (wl->txq_thread) {
kthread_stop(wl->txq_thread);
diff --git a/drivers/staging/wilc1000/wilc_wfi_netdevice.h b/drivers/staging/wilc1000/wilc_wfi_netdevice.h
index 3a561df6d370..12d7c7b1a5fe 100644
--- a/drivers/staging/wilc1000/wilc_wfi_netdevice.h
+++ b/drivers/staging/wilc1000/wilc_wfi_netdevice.h
@@ -42,6 +42,7 @@
#include "host_interface.h"
#include "wilc_wlan.h"
#include <linux/wireless.h>
+#include <linux/completion.h>
#define FLOW_CONTROL_LOWER_THRESHOLD 128
#define FLOW_CONTROL_UPPER_THRESHOLD 256
@@ -178,7 +179,7 @@ struct wilc {
struct semaphore cfg_event;
struct semaphore sync_event;
- struct semaphore txq_event;
+ struct completion txq_event;
struct completion txq_thread_started;
struct task_struct *txq_thread;
diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c
index 11e16d56ace7..1a571352bc96 100644
--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -1,3 +1,4 @@
+#include <linux/completion.h>
#include "wilc_wlan_if.h"
#include "wilc_wlan.h"
#include "wilc_wfi_netdevice.h"
@@ -89,7 +90,7 @@ static void wilc_wlan_txq_add_to_tail(struct net_device *dev,
spin_unlock_irqrestore(&wilc->txq_spinlock, flags);
- up(&wilc->txq_event);
+ complete(&wilc->txq_event);
}
static int wilc_wlan_txq_add_to_head(struct wilc_vif *vif,
@@ -119,7 +120,7 @@ static int wilc_wlan_txq_add_to_head(struct wilc_vif *vif,
spin_unlock_irqrestore(&wilc->txq_spinlock, flags);
up(&wilc->txq_add_to_head_cs);
- up(&wilc->txq_event);
+ complete(&wilc->txq_event);
return 0;
}
@@ -287,7 +288,8 @@ static int wilc_wlan_txq_filter_dup_tcp_ack(struct net_device *dev)
spin_unlock_irqrestore(&wilc->txq_spinlock, wilc->txq_spinlock_flags);
while (dropped > 0) {
- wilc_lock_timeout(wilc, &wilc->txq_event, 1);
+ wait_for_completion_timeout(&wilc->txq_event,
+ msecs_to_jiffies(1));
dropped--;
}