diff options
| author | Cathy Luo <cluo@marvell.com> | 2015-04-17 14:18:29 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-05-09 16:37:25 +0300 |
| commit | 91457eaa13abe35709ddf61e377f57a7b57d8bcc (patch) | |
| tree | 569731333018833ebef69cfa62400cfb77884b3b /drivers/net/wireless/mwifiex | |
| parent | f022ea52d9a5007ae949aff8d4a1ec848bfdd66e (diff) | |
| download | linux-91457eaa13abe35709ddf61e377f57a7b57d8bcc.tar.xz | |
mwifiex: reduce spinlock usage in main process
We will reset more_task_flag at the end of main process
routine. This optimization will help to remove spinlock
operations at couple of places in the code.
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/mwifiex')
| -rw-r--r-- | drivers/net/wireless/mwifiex/main.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 03a95c7d34bf..213aa986e87a 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -231,11 +231,10 @@ int mwifiex_main_process(struct mwifiex_adapter *adapter) goto exit_main_proc; } else { adapter->mwifiex_processing = true; + spin_unlock_irqrestore(&adapter->main_proc_lock, flags); } process_start: do { - adapter->more_task_flag = false; - spin_unlock_irqrestore(&adapter->main_proc_lock, flags); if ((adapter->hw_status == MWIFIEX_HW_STATUS_CLOSING) || (adapter->hw_status == MWIFIEX_HW_STATUS_NOT_READY)) break; @@ -275,7 +274,6 @@ process_start: adapter->pm_wakeup_fw_try = true; mod_timer(&adapter->wakeup_timer, jiffies + (HZ*3)); adapter->if_ops.wakeup(adapter); - spin_lock_irqsave(&adapter->main_proc_lock, flags); continue; } @@ -335,7 +333,6 @@ process_start: (adapter->ps_state == PS_STATE_PRE_SLEEP) || (adapter->ps_state == PS_STATE_SLEEP_CFM) || adapter->tx_lock_flag){ - spin_lock_irqsave(&adapter->main_proc_lock, flags); continue; } @@ -386,12 +383,14 @@ process_start: } break; } - spin_lock_irqsave(&adapter->main_proc_lock, flags); } while (true); spin_lock_irqsave(&adapter->main_proc_lock, flags); - if (adapter->more_task_flag) + if (adapter->more_task_flag) { + adapter->more_task_flag = false; + spin_unlock_irqrestore(&adapter->main_proc_lock, flags); goto process_start; + } adapter->mwifiex_processing = false; spin_unlock_irqrestore(&adapter->main_proc_lock, flags); |