diff options
| author | Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> | 2012-08-29 19:40:28 +0530 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2012-10-24 11:49:49 +0300 |
| commit | 77565794eb69cf73a5808c04b01bc2a97ebf32d3 (patch) | |
| tree | 82b6fceaff494c97b448be9b1a506c7157baf36c /drivers/net/wireless/ath | |
| parent | 9233299394de1c571e52ab2dbe1995c1fbdc8fda (diff) | |
| download | lwn-77565794eb69cf73a5808c04b01bc2a97ebf32d3.tar.gz lwn-77565794eb69cf73a5808c04b01bc2a97ebf32d3.zip | |
ath6kl: Recover from "wmi ctrl ep is full" condition
In some error conditions, fw pauses HTC pipes which would
result in control endpoint full condition. When we hit this
case, most of the time the device will be unusable. Re-initialize
the target to recover from this situation.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath6kl/core.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath6kl/recovery.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath6kl/txrx.c | 1 |
3 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h index b2cbecf6cfe5..ac90b31514bd 100644 --- a/drivers/net/wireless/ath/ath6kl/core.h +++ b/drivers/net/wireless/ath/ath6kl/core.h @@ -660,6 +660,7 @@ enum ath6kl_state { enum ath6kl_fw_err { ATH6KL_FW_ASSERT, ATH6KL_FW_HB_RESP_FAILURE, + ATH6KL_FW_EP_FULL, }; struct ath6kl { diff --git a/drivers/net/wireless/ath/ath6kl/recovery.c b/drivers/net/wireless/ath/ath6kl/recovery.c index 4e3f205bb8a0..03edeb8c2ce3 100644 --- a/drivers/net/wireless/ath/ath6kl/recovery.c +++ b/drivers/net/wireless/ath/ath6kl/recovery.c @@ -30,6 +30,8 @@ static void ath6kl_recovery_work(struct work_struct *work) ath6kl_init_hw_restart(ar); ar->state = ATH6KL_STATE_ON; + clear_bit(WMI_CTRL_EP_FULL, &ar->flag); + ar->fw_recovery.err_reason = 0; if (ar->fw_recovery.enable) diff --git a/drivers/net/wireless/ath/ath6kl/txrx.c b/drivers/net/wireless/ath/ath6kl/txrx.c index cbe1a9d89112..e867193373fe 100644 --- a/drivers/net/wireless/ath/ath6kl/txrx.c +++ b/drivers/net/wireless/ath/ath6kl/txrx.c @@ -594,6 +594,7 @@ enum htc_send_full_action ath6kl_tx_queue_full(struct htc_target *target, */ set_bit(WMI_CTRL_EP_FULL, &ar->flag); ath6kl_err("wmi ctrl ep is full\n"); + ath6kl_recovery_err_notify(ar, ATH6KL_FW_EP_FULL); return action; } |