From: Zhaoyang Liu <liuzy@xxxxxxxxxxx>
This patch does away with spinlock in
mwifiex_wmm_get_highest_priolist_ptr in order to improve TP.
Signed-off-by: Zhaoyang Liu <liuzy@xxxxxxxxxxx>
Signed-off-by: Avinash Patil <patila@xxxxxxxxxxx>
---
drivers/net/wireless/mwifiex/wmm.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 2d14dd5..a6db12c 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -944,14 +944,11 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter,
struct mwifiex_ra_list_tbl *ptr;
struct mwifiex_tid_tbl *tid_ptr;
atomic_t *hqp;
- unsigned long flags_bss, flags_ra;
+ unsigned long flags_ra;
int i, j;
/* check the BSS with highest priority first */
for (j = adapter->priv_num - 1; j >= 0; --j) {
- spin_lock_irqsave(&adapter->bss_prio_tbl[j].bss_prio_lock,
- flags_bss);
-
/* iterate over BSS with the equal priority */
list_for_each_entry(adapter->bss_prio_tbl[j].bss_prio_cur,
&adapter->bss_prio_tbl[j].bss_prio_head,
@@ -987,19 +984,15 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter,
}
}
- spin_unlock_irqrestore(&adapter->bss_prio_tbl[j].bss_prio_lock,
- flags_bss);
}
return NULL;
found:
- /* holds bss_prio_lock / ra_list_spinlock */
+ /* holds ra_list_spinlock */
if (atomic_read(hqp) > i)
atomic_set(hqp, i);
spin_unlock_irqrestore(&priv_tmp->wmm.ra_list_spinlock, flags_ra);
- spin_unlock_irqrestore(&adapter->bss_prio_tbl[j].bss_prio_lock,
- flags_bss);
*priv = priv_tmp;
*tid = tos_to_tid[i];
--
1.8.1.4
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