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@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath6kl/core.h | 1 +
drivers/net/wireless/ath/ath6kl/recovery.c | 2 ++
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 b2cbecf..ac90b31 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 9161d84..26e0816 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 cbe1a9d..e867193 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;
}
--
1.7.0.4
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