diff options
| author | Kirshenbaum Erez <erezk@wilocity.com> | 2013-06-23 12:59:35 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-06-24 14:44:26 -0400 |
| commit | 668b2bbd7fd5a87e54e83b621658d4290811c4a0 (patch) | |
| tree | 0b87cd96499efafa70b0ded031706c030cd3fd4d /drivers/net/wireless | |
| parent | 99b55bd22a4ecfc70e4bf36e69d26c4c219f3bfb (diff) | |
wil6210: add HW write-back option in TX descriptor
Map BIT 9 in TX DMA DWARD 0 as HW write back option.
We must turn on this option in the last TX descriptor,
this is required for old HW compatability.
This option indicate to HW that WB is required for this descriptor.
Signed-off-by: Kirshenbaum Erez <erezk@wilocity.com>
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')
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/txrx.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/txrx.h | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 73d6c2dd08a..d240b24e1cc 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -708,7 +708,7 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring, } /* for the last seg only */ d->dma.d0 |= BIT(DMA_CFG_DESC_TX_0_CMD_EOP_POS); - d->dma.d0 |= BIT(9); /* BUG: undocumented bit */ + d->dma.d0 |= BIT(DMA_CFG_DESC_TX_0_CMD_MARK_WB_POS); d->dma.d0 |= BIT(DMA_CFG_DESC_TX_0_CMD_DMA_IT_POS); *_d = *d; diff --git a/drivers/net/wireless/ath/wil6210/txrx.h b/drivers/net/wireless/ath/wil6210/txrx.h index 23c0781cdb9..859aea68a1f 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.h +++ b/drivers/net/wireless/ath/wil6210/txrx.h @@ -201,6 +201,10 @@ struct vring_tx_mac { #define DMA_CFG_DESC_TX_0_CMD_EOP_LEN 1 #define DMA_CFG_DESC_TX_0_CMD_EOP_MSK 0x100 +#define DMA_CFG_DESC_TX_0_CMD_MARK_WB_POS 9 +#define DMA_CFG_DESC_TX_0_CMD_MARK_WB_LEN 1 +#define DMA_CFG_DESC_TX_0_CMD_MARK_WB_MSK 0x200 + #define DMA_CFG_DESC_TX_0_CMD_DMA_IT_POS 10 #define DMA_CFG_DESC_TX_0_CMD_DMA_IT_LEN 1 #define DMA_CFG_DESC_TX_0_CMD_DMA_IT_MSK 0x400 |