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Try to wait a bit instead of quit immediately while status!=DMA_COMPLETE in openwifi_tx()

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Xianjun Jiao 2022-03-29 11:18:51 +02:00
parent f70dfc6b7b
commit f11dfbd0cf
1 changed files with 7 additions and 1 deletions
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8
driver/sdr.c
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@ -790,7 +790,7 @@ static void openwifi_tx(struct ieee80211_hw *dev,
u8 pkt_need_ack, retry_limit_raw=0,use_short_gi=0,*dma_buf,retry_limit_hw_value,rc_flags,qos_hdr; u8 pkt_need_ack, retry_limit_raw=0,use_short_gi=0,*dma_buf,retry_limit_hw_value,rc_flags,qos_hdr;
bool drv_seqno=false, use_rts_cts, use_cts_protect, ht_aggr_start=false, use_ht_rate, use_ht_aggr, cts_use_traffic_rate=false, force_use_cts_protect=false; bool drv_seqno=false, use_rts_cts, use_cts_protect, ht_aggr_start=false, use_ht_rate, use_ht_aggr, cts_use_traffic_rate=false, force_use_cts_protect=false;
__le16 frame_control,duration_id; __le16 frame_control,duration_id;
u32 dma_fifo_no_room_flag, hw_queue_len; u32 dma_fifo_no_room_flag, hw_queue_len, delay_count=0;
enum dma_status status; enum dma_status status;
static u32 addr1_low32_prev = -1; static u32 addr1_low32_prev = -1;
@ -1114,6 +1114,12 @@ static void openwifi_tx(struct ieee80211_hw *dev,
// --------end of check whether FPGA fifo (queue_idx) has enough room------------ // --------end of check whether FPGA fifo (queue_idx) has enough room------------
status = dma_async_is_tx_complete(priv->tx_chan, priv->tx_cookie, NULL, NULL); status = dma_async_is_tx_complete(priv->tx_chan, priv->tx_cookie, NULL, NULL);
while(delay_count<100 && status!=DMA_COMPLETE) {
status = dma_async_is_tx_complete(priv->tx_chan, priv->tx_cookie, NULL, NULL);
delay_count++;
udelay(4);
// udelay(priv->stat.dbg_ch1);
}
if (status!=DMA_COMPLETE) { if (status!=DMA_COMPLETE) {
printk("%s openwifi_tx: WARNING status!=DMA_COMPLETE\n", sdr_compatible_str); printk("%s openwifi_tx: WARNING status!=DMA_COMPLETE\n", sdr_compatible_str);
goto openwifi_tx_early_out_after_lock; goto openwifi_tx_early_out_after_lock;