From: Shengzhen Li <szli@xxxxxxxxxxx> Power save handshake with firmware might be blocked by on-going data transfer. this patch check the PS status in main process and complete previous blocked PS handshake. this patch also remove redudant check before call mwifiex_check_ps_cond function. Signed-off-by: Cathy Luo <cluo@xxxxxxxxxxx> Signed-off-by: Shengzhen Li <szli@xxxxxxxxxxx> Tested-by: Xinming Hu <huxm@xxxxxxxxxxx> Signed-off-by: Amitkumar Karwar <akarwar@xxxxxxxxxxx> --- v2: 1. remove redudant check(Brain) 2. reorgnized to follow tx_hw_pending patch v3: Same as v2 --- drivers/net/wireless/marvell/mwifiex/main.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c index 20c9b77..c710d5e 100644 --- a/drivers/net/wireless/marvell/mwifiex/main.c +++ b/drivers/net/wireless/marvell/mwifiex/main.c @@ -308,6 +308,9 @@ int mwifiex_main_process(struct mwifiex_adapter *adapter) /* We have tried to wakeup the card already */ if (adapter->pm_wakeup_fw_try) break; + if (adapter->ps_state == PS_STATE_PRE_SLEEP) + mwifiex_check_ps_cond(adapter); + if (adapter->ps_state != PS_STATE_AWAKE) break; if (adapter->tx_lock_flag) { @@ -355,10 +358,8 @@ int mwifiex_main_process(struct mwifiex_adapter *adapter) /* Check if we need to confirm Sleep Request received previously */ - if (adapter->ps_state == PS_STATE_PRE_SLEEP) { - if (!adapter->cmd_sent && !adapter->curr_cmd) - mwifiex_check_ps_cond(adapter); - } + if (adapter->ps_state == PS_STATE_PRE_SLEEP) + mwifiex_check_ps_cond(adapter); /* * The ps_state may have been changed during processing of * Sleep Request event. -- 1.9.1