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Subject[PATCH 3/7] staging: wilc1000: Replace semaphore cfg_event with completion
Date
The semaphore 'cfg_event' is used as completion, so convert
it to a struct completion type.

Signed-off-by: Binoy Jayan <binoy.jayan@linaro.org>
---
drivers/staging/wilc1000/linux_wlan.c | 2 +-
drivers/staging/wilc1000/wilc_wfi_netdevice.h | 2 +-
drivers/staging/wilc1000/wilc_wlan.c | 16 +++++++++-------
3 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c
index a933551..81a469a 100644
--- a/drivers/staging/wilc1000/linux_wlan.c
+++ b/drivers/staging/wilc1000/linux_wlan.c
@@ -683,7 +683,7 @@ static int wlan_init_locks(struct net_device *dev)

init_completion(&wl->txq_event);

- sema_init(&wl->cfg_event, 0);
+ init_completion(&wl->cfg_event);
sema_init(&wl->sync_event, 0);
init_completion(&wl->txq_thread_started);

diff --git a/drivers/staging/wilc1000/wilc_wfi_netdevice.h b/drivers/staging/wilc1000/wilc_wfi_netdevice.h
index 239cd43..5fbc07c 100644
--- a/drivers/staging/wilc1000/wilc_wfi_netdevice.h
+++ b/drivers/staging/wilc1000/wilc_wfi_netdevice.h
@@ -178,7 +178,7 @@ struct wilc {
struct mutex rxq_cs;
struct mutex hif_cs;

- struct semaphore cfg_event;
+ struct completion cfg_event;
struct semaphore sync_event;
struct completion txq_event;
struct completion txq_thread_started;
diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c
index 9afbe8d..2d6eb43 100644
--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -310,7 +310,7 @@ static int wilc_wlan_txq_add_cfg_pkt(struct wilc_vif *vif, u8 *buffer,
netdev_dbg(vif->ndev, "Adding config packet ...\n");
if (wilc->quit) {
netdev_dbg(vif->ndev, "Return due to clear function\n");
- up(&wilc->cfg_event);
+ complete(&wilc->cfg_event);
return 0;
}

@@ -769,7 +769,7 @@ static void wilc_wlan_handle_rxq(struct wilc *wilc)

do {
if (wilc->quit) {
- up(&wilc->cfg_event);
+ complete(&wilc->cfg_event);
break;
}
rqe = wilc_wlan_rxq_remove(wilc);
@@ -820,7 +820,7 @@ static void wilc_wlan_handle_rxq(struct wilc *wilc)
wilc_wlan_cfg_indicate_rx(wilc, &buffer[pkt_offset + offset], pkt_len, &rsp);
if (rsp.type == WILC_CFG_RSP) {
if (wilc->cfg_seq_no == rsp.seq_no)
- up(&wilc->cfg_event);
+ complete(&wilc->cfg_event);
} else if (rsp.type == WILC_CFG_RSP_STATUS) {
wilc_mac_indicate(wilc, WILC_MAC_INDICATE_STATUS);

@@ -1228,11 +1228,12 @@ int wilc_wlan_cfg_set(struct wilc_vif *vif, int start, u16 wid, u8 *buffer,
if (wilc_wlan_cfg_commit(vif, WILC_CFG_SET, drv_handler))
ret_size = 0;

- if (wilc_lock_timeout(wilc, &wilc->cfg_event,
- CFG_PKTS_TIMEOUT)) {
+ if (!wait_for_completion_timeout(&wilc->cfg_event,
+ msecs_to_jiffies(CFG_PKTS_TIMEOUT))) {
netdev_dbg(vif->ndev, "Set Timed Out\n");
ret_size = 0;
}
+
wilc->cfg_frame_in_use = 0;
wilc->cfg_frame_offset = 0;
wilc->cfg_seq_no += 1;
@@ -1246,6 +1247,7 @@ int wilc_wlan_cfg_get(struct wilc_vif *vif, int start, u16 wid, int commit,
{
u32 offset;
int ret_size;
+
struct wilc *wilc = vif->wilc;

if (wilc->cfg_frame_in_use)
@@ -1265,8 +1267,8 @@ int wilc_wlan_cfg_get(struct wilc_vif *vif, int start, u16 wid, int commit,
if (wilc_wlan_cfg_commit(vif, WILC_CFG_QUERY, drv_handler))
ret_size = 0;

- if (wilc_lock_timeout(wilc, &wilc->cfg_event,
- CFG_PKTS_TIMEOUT)) {
+ if (!wait_for_completion_timeout(&wilc->cfg_event,
+ msecs_to_jiffies(CFG_PKTS_TIMEOUT))) {
netdev_dbg(vif->ndev, "Get Timed Out\n");
ret_size = 0;
}
--
2.7.4
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