1 From 5022efb50f625d11fdf18b1fee0f64ebb1863664 Mon Sep 17 00:00:00 2001
2 From: Stanislaw Gruszka <sgruszka@redhat.com>
3 Date: Wed, 26 Sep 2018 12:24:55 +0200
4 Subject: [PATCH 04/28] rt2x00: do not check for txstatus timeout every time on
7 Do not check for tx status timeout everytime we perform txstatus tasklet.
8 Perform check once per half a second.
10 Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
11 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
13 drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 7 +++++++
14 drivers/net/wireless/ralink/rt2x00/rt2800mmio.c | 3 ++-
15 drivers/net/wireless/ralink/rt2x00/rt2x00.h | 2 ++
16 drivers/net/wireless/ralink/rt2x00/rt2x00queue.c | 1 +
17 4 files changed, 12 insertions(+), 1 deletion(-)
19 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
20 +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
21 @@ -1158,11 +1158,18 @@ bool rt2800_txstatus_timeout(struct rt2x
22 struct data_queue *queue;
23 struct queue_entry *entry;
25 + if (time_before(jiffies,
26 + rt2x00dev->last_nostatus_check + msecs_to_jiffies(500)))
29 + rt2x00dev->last_nostatus_check = jiffies;
31 tx_queue_for_each(rt2x00dev, queue) {
32 entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
33 if (rt2800_entry_txstatus_timeout(entry))
39 EXPORT_SYMBOL_GPL(rt2800_txstatus_timeout);
40 --- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
41 +++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
42 @@ -197,7 +197,8 @@ void rt2800mmio_txstatus_tasklet(unsigne
44 rt2800_txdone(rt2x00dev);
46 - rt2800_txdone_nostatus(rt2x00dev);
47 + if (rt2800_txstatus_timeout(rt2x00dev))
48 + rt2800_txdone_nostatus(rt2x00dev);
50 if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
51 rt2800mmio_enable_interrupt(rt2x00dev,
52 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
53 +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
54 @@ -980,6 +980,8 @@ struct rt2x00_dev {
56 DECLARE_KFIFO_PTR(txstatus_fifo, u32);
58 + unsigned long last_nostatus_check;
61 * Timer to ensure tx status reports are read (rt2800usb).
63 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
64 +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
65 @@ -1039,6 +1039,7 @@ void rt2x00queue_start_queues(struct rt2
67 tx_queue_for_each(rt2x00dev, queue)
68 rt2x00queue_start_queue(queue);
69 + rt2x00dev->last_nostatus_check = jiffies;
71 rt2x00queue_start_queue(rt2x00dev->rx);