ath10k: remove DMA mapping wrappers
There's no real benefit from using them. DMA-API
already provides debugging. Some skbuffs are
already mapped directly with DMA-API since wrapper
arguments were insufficient and extending them
would be pointless.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 91e501b..478e7f6 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -1360,7 +1360,7 @@
struct wmi_bcn_info *bcn_info;
struct ath10k_vif *arvif;
struct sk_buff *bcn;
- int vdev_id = 0;
+ int ret, vdev_id = 0;
ath10k_dbg(ATH10K_DBG_MGMT, "WMI_HOST_SWBA_EVENTID\n");
@@ -1435,16 +1435,27 @@
ath10k_warn("SWBA overrun on vdev %d\n",
arvif->vdev_id);
- ath10k_skb_unmap(ar->dev, arvif->beacon);
+ dma_unmap_single(arvif->ar->dev,
+ ATH10K_SKB_CB(arvif->beacon)->paddr,
+ arvif->beacon->len, DMA_TO_DEVICE);
dev_kfree_skb_any(arvif->beacon);
}
- ath10k_skb_map(ar->dev, bcn);
+ ATH10K_SKB_CB(bcn)->paddr = dma_map_single(arvif->ar->dev,
+ bcn->data, bcn->len,
+ DMA_TO_DEVICE);
+ ret = dma_mapping_error(arvif->ar->dev,
+ ATH10K_SKB_CB(bcn)->paddr);
+ if (ret) {
+ ath10k_warn("failed to map beacon: %d\n", ret);
+ goto skip;
+ }
arvif->beacon = bcn;
arvif->beacon_sent = false;
ath10k_wmi_tx_beacon_nowait(arvif);
+skip:
spin_unlock_bh(&ar->data_lock);
}
}