OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

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>
This commit is contained in:
Vasanthakumar Thiagarajan 2012-08-29 19:40:28 +05:30 committed by Kalle Valo
parent 9233299394
commit 77565794eb
3 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/ath/ath6kl/core.h
View File

@ -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 {

2
drivers/net/wireless/ath/ath6kl/recovery.c
View File

@ -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)

1
drivers/net/wireless/ath/ath6kl/txrx.c
View File

@ -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;
}