From: Roland Vossen <rvossen@xxxxxxxxxxxx>
By deleting three redundant functions. The spinlock was related to
event queue operation. Event queue data members were also renamed
to make their function more clear.
Reported-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Reviewed-by: Arend van Spriel <arend@xxxxxxxxxxxx>
Reviewed-by: Franky Lin <frankyl@xxxxxxxxxxxx>
Signed-off-by: Franky Lin <frankyl@xxxxxxxxxxxx>
---
drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c | 49 ++++++++--------------
drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h | 6 +-
2 files changed, 20 insertions(+), 35 deletions(-)
diff --git a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c
index 2dd28a2..0bda00c 100644
--- a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c
@@ -3181,21 +3181,6 @@ init_priv_mem_out:
return -ENOMEM;
}
-static void brcmf_lock_eq(struct brcmf_cfg80211_priv *cfg_priv)
-{
- spin_lock_irq(&cfg_priv->eq_lock);
-}
-
-static void brcmf_unlock_eq(struct brcmf_cfg80211_priv *cfg_priv)
-{
- spin_unlock_irq(&cfg_priv->eq_lock);
-}
-
-static void brcmf_init_eq_lock(struct brcmf_cfg80211_priv *cfg_priv)
-{
- spin_lock_init(&cfg_priv->eq_lock);
-}
-
/*
* retrieve first queued event from head
*/
@@ -3205,13 +3190,13 @@ static struct brcmf_cfg80211_event_q *brcmf_deq_event(
{
struct brcmf_cfg80211_event_q *e = NULL;
- brcmf_lock_eq(cfg_priv);
- if (likely(!list_empty(&cfg_priv->eq_list))) {
- e = list_first_entry(&cfg_priv->eq_list,
- struct brcmf_cfg80211_event_q, eq_list);
- list_del(&e->eq_list);
+ spin_lock_irq(&cfg_priv->evt_q_lock);
+ if (likely(!list_empty(&cfg_priv->evt_q_list))) {
+ e = list_first_entry(&cfg_priv->evt_q_list,
+ struct brcmf_cfg80211_event_q, evt_q_list);
+ list_del(&e->evt_q_list);
}
- brcmf_unlock_eq(cfg_priv);
+ spin_unlock_irq(&cfg_priv->evt_q_lock);
return e;
}
@@ -3236,9 +3221,9 @@ brcmf_enq_event(struct brcmf_cfg80211_priv *cfg_priv, u32 event,
e->etype = event;
memcpy(&e->emsg, msg, sizeof(struct brcmf_event_msg));
- brcmf_lock_eq(cfg_priv);
- list_add_tail(&e->eq_list, &cfg_priv->eq_list);
- brcmf_unlock_eq(cfg_priv);
+ spin_lock_irq(&cfg_priv->evt_q_lock);
+ list_add_tail(&e->evt_q_list, &cfg_priv->evt_q_list);
+ spin_unlock_irq(&cfg_priv->evt_q_lock);
return err;
}
@@ -3276,22 +3261,22 @@ static void brcmf_cfg80211_event_handler(struct work_struct *work)
static void brcmf_init_eq(struct brcmf_cfg80211_priv *cfg_priv)
{
- brcmf_init_eq_lock(cfg_priv);
- INIT_LIST_HEAD(&cfg_priv->eq_list);
+ spin_lock_init(&cfg_priv->evt_q_lock);
+ INIT_LIST_HEAD(&cfg_priv->evt_q_list);
}
static void brcmf_flush_eq(struct brcmf_cfg80211_priv *cfg_priv)
{
struct brcmf_cfg80211_event_q *e;
- brcmf_lock_eq(cfg_priv);
- while (!list_empty(&cfg_priv->eq_list)) {
- e = list_first_entry(&cfg_priv->eq_list,
- struct brcmf_cfg80211_event_q, eq_list);
- list_del(&e->eq_list);
+ spin_lock_irq(&cfg_priv->evt_q_lock);
+ while (!list_empty(&cfg_priv->evt_q_list)) {
+ e = list_first_entry(&cfg_priv->evt_q_list,
+ struct brcmf_cfg80211_event_q, evt_q_list);
+ list_del(&e->evt_q_list);
kfree(e);
}
- brcmf_unlock_eq(cfg_priv);
+ spin_unlock_irq(&cfg_priv->evt_q_lock);
}
static s32 wl_init_priv(struct brcmf_cfg80211_priv *cfg_priv)
diff --git a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h
index 79806c0..14a32e1 100644
--- a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h
+++ b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h
@@ -199,7 +199,7 @@ struct brcmf_cfg80211_ie {
/* event queue for cfg80211 main event */
struct brcmf_cfg80211_event_q {
- struct list_head eq_list;
+ struct list_head evt_q_list;
u32 etype;
struct brcmf_event_msg emsg;
s8 edata[1];
@@ -282,8 +282,8 @@ struct brcmf_cfg80211_priv {
struct cfg80211_scan_request *scan_request; /* scan request
object */
struct brcmf_cfg80211_event_loop el; /* main event loop */
- struct list_head eq_list; /* used for event queue */
- spinlock_t eq_lock; /* for event queue synchronization */
+ struct list_head evt_q_list; /* used for event queue */
+ spinlock_t evt_q_lock; /* for event queue synchronization */
struct mutex usr_sync; /* maily for dongle up/down synchronization */
struct brcmf_scan_results *bss_list; /* bss_list holding scanned
ap information */
--
1.7.1
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