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| author | Kalle Valo <kvalo@kernel.org> | 2022-10-29 08:25:50 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-10-29 08:25:50 +0300 |
| commit | a9501019f2de706eb43b59d66dcde70a23440cd3 (patch) | |
| tree | faf4f1b8a7c8bc9eed229ac690bcb953fd604995 /drivers/net/wireless/ath/ath10k/htc.c | |
| parent | 637639cbfebb747406b9a57befc0b347057a3a24 (diff) | |
| parent | f3ca72b0327101a074a871539e61775d43908ca4 (diff) | |
Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
ath.git patches for v6.2. Major changes:
ath11k
* support configuring channel dwell time during scan
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htc.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/htc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htc.c b/drivers/net/wireless/ath/ath10k/htc.c index 6d1784f74bea..5bfeecb95fca 100644 --- a/drivers/net/wireless/ath/ath10k/htc.c +++ b/drivers/net/wireless/ath/ath10k/htc.c @@ -56,6 +56,15 @@ void ath10k_htc_notify_tx_completion(struct ath10k_htc_ep *ep, ath10k_dbg(ar, ATH10K_DBG_HTC, "%s: ep %d skb %pK\n", __func__, ep->eid, skb); + /* A corner case where the copy completion is reaching to host but still + * copy engine is processing it due to which host unmaps corresponding + * memory and causes SMMU fault, hence as workaround adding delay + * the unmapping memory to avoid SMMU faults. + */ + if (ar->hw_params.delay_unmap_buffer && + ep->ul_pipe_id == 3) + mdelay(2); + hdr = (struct ath10k_htc_hdr *)skb->data; ath10k_htc_restore_tx_skb(ep->htc, skb); |