diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/ce.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/ce.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/ce.c b/drivers/net/wireless/ath/ath11k/ce.c index caa356dde880..9d730f8ac816 100644 --- a/drivers/net/wireless/ath/ath11k/ce.c +++ b/drivers/net/wireless/ath/ath11k/ce.c @@ -187,6 +187,26 @@ const struct ce_attr ath11k_host_ce_config_qca6390[] = { }; +static bool ath11k_ce_need_shadow_fix(int ce_id) +{ + /* only ce4 needs shadow workaroud*/ + if (ce_id == 4) + return true; + return false; +} + +static void ath11k_ce_stop_shadow_timers(struct ath11k_base *ab) +{ + int i; + + if (!ab->hw_params.supports_shadow_regs) + return; + + for (i = 0; i < ab->hw_params.ce_count; i++) + if (ath11k_ce_need_shadow_fix(i)) + ath11k_dp_shadow_stop_timer(ab, &ab->ce.hp_timer[i]); +} + static int ath11k_ce_rx_buf_enqueue_pipe(struct ath11k_ce_pipe *pipe, struct sk_buff *skb, dma_addr_t paddr) { @@ -505,6 +525,12 @@ static int ath11k_ce_init_ring(struct ath11k_base *ab, ce_ring->hal_ring_id = ret; + if (ab->hw_params.supports_shadow_regs && + ath11k_ce_need_shadow_fix(ce_id)) + ath11k_dp_shadow_init_timer(ab, &ab->ce.hp_timer[ce_id], + ATH11K_SHADOW_CTRL_TIMER_INTERVAL, + ce_ring->hal_ring_id); + return 0; } @@ -677,6 +703,9 @@ int ath11k_ce_send(struct ath11k_base *ab, struct sk_buff *skb, u8 pipe_id, ath11k_hal_srng_access_end(ab, srng); + if (ath11k_ce_need_shadow_fix(pipe_id)) + ath11k_dp_shadow_start_timer(ab, srng, &ab->ce.hp_timer[pipe_id]); + spin_unlock_bh(&srng->lock); spin_unlock_bh(&ab->ce.ce_lock); @@ -761,6 +790,8 @@ void ath11k_ce_cleanup_pipes(struct ath11k_base *ab) struct ath11k_ce_pipe *pipe; int pipe_num; + ath11k_ce_stop_shadow_timers(ab); + for (pipe_num = 0; pipe_num < ab->hw_params.ce_count; pipe_num++) { pipe = &ab->ce.ce_pipe[pipe_num]; ath11k_ce_rx_pipe_cleanup(pipe); @@ -874,6 +905,9 @@ void ath11k_ce_free_pipes(struct ath11k_base *ab) for (i = 0; i < ab->hw_params.ce_count; i++) { pipe = &ab->ce.ce_pipe[i]; + if (ath11k_ce_need_shadow_fix(i)) + ath11k_dp_shadow_stop_timer(ab, &ab->ce.hp_timer[i]); + if (pipe->src_ring) { desc_sz = ath11k_hal_ce_get_desc_size(HAL_CE_DESC_SRC); dma_free_coherent(ab->dev, |