If tx credits aren't replenished for too long
firmware and driver state get out of sync. It
doesn't matter if firmware recovers a little later
on its own since by then it's already too late.
Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/wmi.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 159d744..e33c811 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -634,6 +634,11 @@ static int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb,
if (ret)
dev_kfree_skb_any(skb);
+ if (ret == -EAGAIN) {
+ /* no credits for 3 seconds means fw is practically dead */
+ ath10k_core_restart(ar);
+ }
+
return ret;
}
--
1.8.5.3
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