diff options
| author | Michal Kazior <michal.kazior@tieto.com> | 2013-10-02 09:03:41 (GMT) |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2013-10-07 12:28:02 (GMT) |
| commit | 3efcb3b40cc40091661eb376be175a6971616f6b (patch) | |
| tree | c95a15ca421ade706b67da6c1bf78c8c2accb7fd /drivers/net/wireless/ath/ath10k/ce.c | |
| parent | 2e761b5a5222071d55ebccf65f93d281e4c11958 (diff) | |
| download | linux-3efcb3b40cc40091661eb376be175a6971616f6b.tar.xz | |
ath10k: remove num_sends_allowed
The value provided by num_sends_allowed is now
derived from CE source ringbuffer state.
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/ce.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/ce.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c index 9e6daa9..e46951b 100644 --- a/drivers/net/wireless/ath/ath10k/ce.c +++ b/drivers/net/wireless/ath/ath10k/ce.c @@ -283,7 +283,7 @@ static int ath10k_ce_send_nolock(struct ath10k_ce_pipe *ce_state, if (unlikely(CE_RING_DELTA(nentries_mask, write_index, sw_index - 1) <= 0)) { - ret = -EIO; + ret = -ENOSR; goto exit; } @@ -338,6 +338,21 @@ int ath10k_ce_send(struct ath10k_ce_pipe *ce_state, return ret; } +int ath10k_ce_num_free_src_entries(struct ath10k_ce_pipe *pipe) +{ + struct ath10k *ar = pipe->ar; + struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); + int delta; + + spin_lock_bh(&ar_pci->ce_lock); + delta = CE_RING_DELTA(pipe->src_ring->nentries_mask, + pipe->src_ring->write_index, + pipe->src_ring->sw_index - 1); + spin_unlock_bh(&ar_pci->ce_lock); + + return delta; +} + int ath10k_ce_recv_buf_enqueue(struct ath10k_ce_pipe *ce_state, void *per_recv_context, u32 buffer) |