wlcore: make Tx flush timings more verbose (958e303a) · Commits · 戴 / test

drivers/net/wireless/ti/wlcore/tx.c

+9 −4

Original line number	Diff line number	Diff line
		@@ -1076,9 +1076,10 @@ void wl12xx_tx_reset(struct wl1271 *wl)
		/* caller must NOT hold wl->mutex */
		void wl1271_tx_flush(struct wl1271 *wl)
		{
		unsigned long timeout;
		unsigned long timeout, start_time;
		int i;
		timeout = jiffies + usecs_to_jiffies(WL1271_TX_FLUSH_TIMEOUT);
		start_time = jiffies;
		timeout = start_time + usecs_to_jiffies(WL1271_TX_FLUSH_TIMEOUT);

		/* only one flush should be in progress, for consistent queue state */
		mutex_lock(&wl->flush_mutex);
		@@ -1087,19 +1088,23 @@ void wl1271_tx_flush(struct wl1271 *wl)

		while (!time_after(jiffies, timeout)) {
		mutex_lock(&wl->mutex);
		wl1271_debug(DEBUG_TX, "flushing tx buffer: %d %d",
		wl1271_debug(DEBUG_MAC80211, "flushing tx buffer: %d %d",
		wl->tx_frames_cnt,
		wl1271_tx_total_queue_count(wl));
		if ((wl->tx_frames_cnt == 0) &&
		(wl1271_tx_total_queue_count(wl) == 0)) {
		mutex_unlock(&wl->mutex);
		wl1271_debug(DEBUG_MAC80211, "tx flush took %d ms",
		jiffies_to_msecs(jiffies - start_time));
		goto out;
		}
		mutex_unlock(&wl->mutex);
		msleep(1);
		}

		wl1271_warning("Unable to flush all TX buffers, timed out.");
		wl1271_warning("Unable to flush all TX buffers, "
		"timed out (timeout %d ms",
		WL1271_TX_FLUSH_TIMEOUT / 1000);

		/* forcibly flush all Tx buffers on our queues */
		mutex_lock(&wl->mutex);