diff options
| author | Yoni Divinsky <yoni.divinsky@ti.com> | 2012-05-16 11:34:18 +0300 |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2012-06-06 19:28:06 +0300 |
| commit | afbe37185c0ecad3442791be666b6851eba52318 (patch) | |
| tree | 67f9c5f365f2ad0831a200a5f9e8b89e8548e885 /drivers/net/wireless/ti | |
| parent | a1c597f2b22cdc228de3c58784b00e80b9b53e03 (diff) | |
wlcore: do not send stop fwlog cmd if fw is hanged
If the driver received a watchdog interrupt then the
assumption is that the fw is hanged. Avoid sending
the stop fwlog command in case of a watchdog recovey
to avoid waiting for the 2 seconds timeout of the command.
Signed-off-by: Yoni Divinsky <yoni.divinsky@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/ti')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/main.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/wlcore.h | 1 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 7c4f78136bb1..54da16501e42 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -544,6 +544,7 @@ static irqreturn_t wl1271_irq(int irq, void *cookie) if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { wl1271_error("watchdog interrupt received! " "starting recovery."); + wl->watchdog_recovery = true; wl12xx_queue_recovery_work(wl); /* restarting the chip. ignore any other interrupt. */ @@ -782,10 +783,12 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl) /* * Make sure the chip is awake and the logger isn't active. - * This might fail if the firmware hanged. + * Do not send a stop fwlog command if the fw is hanged. */ - if (!wl1271_ps_elp_wakeup(wl)) + if (!wl1271_ps_elp_wakeup(wl) && !wl->watchdog_recovery) wl12xx_cmd_stop_fwlog(wl); + else + goto out; /* Read the first memory block address */ wl12xx_fw_status(wl, wl->fw_status_1, wl->fw_status_2); @@ -879,6 +882,7 @@ static void wl1271_recovery_work(struct work_struct *work) vif = wl12xx_wlvif_to_vif(wlvif); __wl1271_op_remove_interface(wl, vif, false); } + wl->watchdog_recovery = false; mutex_unlock(&wl->mutex); wl1271_op_stop(wl->hw); @@ -893,6 +897,7 @@ static void wl1271_recovery_work(struct work_struct *work) wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); return; out_unlock: + wl->watchdog_recovery = false; mutex_unlock(&wl->mutex); } diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 4ca968fac0eb..e63450072f4d 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -252,6 +252,7 @@ struct wl1271 { /* Hardware recovery work */ struct work_struct recovery_work; + bool watchdog_recovery; /* Pointer that holds DMA-friendly block for the mailbox */ struct event_mailbox *mbox; |