diff options
| author | Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> | 2013-04-18 13:33:52 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-04-22 21:20:25 +0200 |
| commit | 4de41bef3e075dbc787f7c53b3562f23295f1d6d (patch) | |
| tree | b9c0e114e5bc8ec0eed5ac64912511ea339cdd59 /drivers/net/wireless/ath/wil6210 | |
| parent | wil6210: Tx init optimization (diff) | |
| download | linux-4de41bef3e075dbc787f7c53b3562f23295f1d6d.tar.xz linux-4de41bef3e075dbc787f7c53b3562f23295f1d6d.zip | |
wil6210: Use cached copy of Tx descriptor
Original Tx descriptor stored is in non-cached area for DMA;
copy it to the cached memory to speed-up access
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/wil6210')
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/txrx.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 3d9afc560246..91454a4ec8bf 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -789,9 +789,14 @@ void wil_tx_complete(struct wil6210_priv *wil, int ringid) wil_dbg_txrx(wil, "%s(%d)\n", __func__, ringid); while (!wil_vring_is_empty(vring)) { - volatile struct vring_tx_desc *d = &vring->va[vring->swtail].tx; + volatile struct vring_tx_desc *d1 = + &vring->va[vring->swtail].tx; + struct vring_tx_desc dd, *d = ⅆ dma_addr_t pa; struct sk_buff *skb; + + dd = *d1; + if (!(d->dma.status & TX_DMA_STATUS_DU)) break; |