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wil6210: Use cached copy of Tx descriptor

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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>
This commit is contained in:
Vladimir Kondratiev 2013-04-18 14:33:52 +03:00 • committed by John W. Linville
parent b5d98e9d02
commit 4de41bef3e
1 changed files with 6 additions and 1 deletions

7
drivers/net/wireless/ath/wil6210/txrx.c
View file

@ -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 = &dd;
dma_addr_t pa;
struct sk_buff *skb;
dd = *d1;
if (!(d->dma.status & TX_DMA_STATUS_DU))
break;