diff options
author | Michal Kazior <michal.kazior@tieto.com> | 2014-02-27 18:50:03 +0200 |
---|---|---|
committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2014-02-28 11:58:38 +0200 |
commit | 767d34fc67af3939b8ec09804e2b60a1daf94945 (patch) | |
tree | ace82ca863a712a1611fd9876be5752542f3d8d3 /drivers/net/wireless/ath/ath10k/wmi.c | |
parent | a80ddb003a24d10a87e3fbfc2d8e46c54698b585 (diff) |
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>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/wmi.c')
-rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 91e501b5499..478e7f669e7 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -1360,7 +1360,7 @@ static void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb) 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 @@ static void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb) 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); } } |