diff options
| author | Amitkumar Karwar <akarwar@marvell.com> | 2014-12-31 02:36:41 -0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-01-06 21:19:44 +0200 |
| commit | 4636187da60b6e33526050235c610409d9cc00e8 (patch) | |
| tree | e1bd810c8f421db9e787b2399f0288412bd92f6b /drivers/net/wireless/mwifiex/init.c | |
| parent | b4f1b177be27103cd84a3692ae71bf857700e27f (diff) | |
mwifiex: add wakeup timer based recovery mechanism
If host fails to wakeup the firmware, we will trigger card reset
after 3 second timeout.
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/init.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/init.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c index a3dd601a495a..524692a59d4a 100644 --- a/drivers/net/wireless/mwifiex/init.c +++ b/drivers/net/wireless/mwifiex/init.c @@ -52,6 +52,18 @@ static int mwifiex_add_bss_prio_tbl(struct mwifiex_private *priv) return 0; } +static void wakeup_timer_fn(unsigned long data) +{ + struct mwifiex_adapter *adapter = (struct mwifiex_adapter *)data; + + dev_err(adapter->dev, "Firmware wakeup failed\n"); + adapter->hw_status = MWIFIEX_HW_STATUS_RESET; + mwifiex_cancel_all_pending_cmd(adapter); + + if (adapter->if_ops.card_reset) + adapter->if_ops.card_reset(adapter); +} + /* * This function initializes the private structure and sets default * values to the members. @@ -285,6 +297,9 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter) adapter->ext_scan = true; adapter->key_api_major_ver = 0; adapter->key_api_minor_ver = 0; + + setup_timer(&adapter->wakeup_timer, wakeup_timer_fn, + (unsigned long)adapter); } /* @@ -391,6 +406,7 @@ mwifiex_adapter_cleanup(struct mwifiex_adapter *adapter) return; } + del_timer(&adapter->wakeup_timer); mwifiex_cancel_all_pending_cmd(adapter); /* Free lock variables */ |