diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htc.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/htc.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htc.c b/drivers/net/wireless/ath/ath10k/htc.c index fab398046a3f..ce9b248c12dc 100644 --- a/drivers/net/wireless/ath/ath10k/htc.c +++ b/drivers/net/wireless/ath/ath10k/htc.c @@ -2,8 +2,12 @@ /* * Copyright (c) 2005-2011 Atheros Communications Inc. * Copyright (c) 2011-2017 Qualcomm Atheros, Inc. + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. */ +#include <linux/export.h> + #include "core.h" #include "hif.h" #include "debug.h" @@ -33,7 +37,7 @@ static struct sk_buff *ath10k_htc_build_tx_ctrl_skb(void *ar) skb_cb = ATH10K_SKB_CB(skb); memset(skb_cb, 0, sizeof(*skb_cb)); - ath10k_dbg(ar, ATH10K_DBG_HTC, "%s: skb %pK\n", __func__, skb); + ath10k_dbg(ar, ATH10K_DBG_HTC, "%s: skb %p\n", __func__, skb); return skb; } @@ -53,9 +57,18 @@ void ath10k_htc_notify_tx_completion(struct ath10k_htc_ep *ep, struct ath10k *ar = ep->htc->ar; struct ath10k_htc_hdr *hdr; - ath10k_dbg(ar, ATH10K_DBG_HTC, "%s: ep %d skb %pK\n", __func__, + ath10k_dbg(ar, ATH10K_DBG_HTC, "%s: ep %d skb %p\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); @@ -505,7 +518,7 @@ void ath10k_htc_rx_completion_handler(struct ath10k *ar, struct sk_buff *skb) /* zero length packet with trailer data, just drop these */ goto out; - ath10k_dbg(ar, ATH10K_DBG_HTC, "htc rx completion ep %d skb %pK\n", + ath10k_dbg(ar, ATH10K_DBG_HTC, "htc rx completion ep %d skb %p\n", eid, skb); ep->ep_ops.ep_rx_complete(ar, skb); @@ -947,13 +960,18 @@ int ath10k_htc_wait_target(struct ath10k_htc *htc) return -ECOMM; } - htc->total_transmit_credits = __le16_to_cpu(msg->ready.credit_count); + if (ar->hw_params.use_fw_tx_credits) + htc->total_transmit_credits = __le16_to_cpu(msg->ready.credit_count); + else + htc->total_transmit_credits = 1; + htc->target_credit_size = __le16_to_cpu(msg->ready.credit_size); ath10k_dbg(ar, ATH10K_DBG_HTC, - "Target ready! transmit resources: %d size:%d\n", + "Target ready! transmit resources: %d size:%d actual credits:%d\n", htc->total_transmit_credits, - htc->target_credit_size); + htc->target_credit_size, + msg->ready.credit_count); if ((htc->total_transmit_credits == 0) || (htc->target_credit_size == 0)) { |