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004-rt2x00-do-not-check-for-txstatus-timeout-every-time-.patch 2.4 KB

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  1. From 5022efb50f625d11fdf18b1fee0f64ebb1863664 Mon Sep 17 00:00:00 2001
  2. From: Stanislaw Gruszka <[email protected]>
  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
  5. tasklet
  6. Do not check for tx status timeout everytime we perform txstatus tasklet.
  7. Perform check once per half a second.
  8. Signed-off-by: Stanislaw Gruszka <[email protected]>
  9. Signed-off-by: Kalle Valo <[email protected]>
  10. ---
  11. drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 7 +++++++
  12. drivers/net/wireless/ralink/rt2x00/rt2800mmio.c | 3 ++-
  13. drivers/net/wireless/ralink/rt2x00/rt2x00.h | 2 ++
  14. drivers/net/wireless/ralink/rt2x00/rt2x00queue.c | 1 +
  15. 4 files changed, 12 insertions(+), 1 deletion(-)
  16. --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  17. +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  18. @@ -1158,11 +1158,18 @@ bool rt2800_txstatus_timeout(struct rt2x
  19. struct data_queue *queue;
  20. struct queue_entry *entry;
  21. + if (time_before(jiffies,
  22. + rt2x00dev->last_nostatus_check + msecs_to_jiffies(500)))
  23. + return false;
  24. +
  25. + rt2x00dev->last_nostatus_check = jiffies;
  26. +
  27. tx_queue_for_each(rt2x00dev, queue) {
  28. entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
  29. if (rt2800_entry_txstatus_timeout(entry))
  30. return true;
  31. }
  32. +
  33. return false;
  34. }
  35. EXPORT_SYMBOL_GPL(rt2800_txstatus_timeout);
  36. --- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
  37. +++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
  38. @@ -197,7 +197,8 @@ void rt2800mmio_txstatus_tasklet(unsigne
  39. rt2800_txdone(rt2x00dev);
  40. - rt2800_txdone_nostatus(rt2x00dev);
  41. + if (rt2800_txstatus_timeout(rt2x00dev))
  42. + rt2800_txdone_nostatus(rt2x00dev);
  43. if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
  44. rt2800mmio_enable_interrupt(rt2x00dev,
  45. --- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
  46. +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
  47. @@ -980,6 +980,8 @@ struct rt2x00_dev {
  48. */
  49. DECLARE_KFIFO_PTR(txstatus_fifo, u32);
  50. + unsigned long last_nostatus_check;
  51. +
  52. /*
  53. * Timer to ensure tx status reports are read (rt2800usb).
  54. */
  55. --- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
  56. +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
  57. @@ -1039,6 +1039,7 @@ void rt2x00queue_start_queues(struct rt2
  58. */
  59. tx_queue_for_each(rt2x00dev, queue)
  60. rt2x00queue_start_queue(queue);
  61. + rt2x00dev->last_nostatus_check = jiffies;
  62. rt2x00queue_start_queue(rt2x00dev->rx);
  63. }