703-rt2x00-do-not-check-for-txstatus-timeout-every-time-.patch 3.0 KB

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  1. From b5d6e37ea15949a126907050d8cfa4408153a0cd Mon Sep 17 00:00:00 2001
  2. From: Stanislaw Gruszka <[email protected]>
  3. Date: Fri, 18 May 2018 12:25:10 +0200
  4. Subject: [PATCH 3/5] 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. ---
  10. drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 7 +++++++
  11. drivers/net/wireless/ralink/rt2x00/rt2800mmio.c | 3 ++-
  12. drivers/net/wireless/ralink/rt2x00/rt2x00.h | 2 ++
  13. drivers/net/wireless/ralink/rt2x00/rt2x00queue.c | 1 +
  14. 4 files changed, 12 insertions(+), 1 deletion(-)
  15. diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  16. index 9f2835729016..0c56c7dca55f 100644
  17. --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  18. +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  19. @@ -1158,11 +1158,18 @@ bool rt2800_txstatus_timeout(struct rt2x00_dev *rt2x00dev)
  20. struct data_queue *queue;
  21. struct queue_entry *entry;
  22. + if (time_before(jiffies,
  23. + rt2x00dev->last_nostatus_check + msecs_to_jiffies(500)))
  24. + return false;
  25. +
  26. + rt2x00dev->last_nostatus_check = jiffies;
  27. +
  28. tx_queue_for_each(rt2x00dev, queue) {
  29. entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
  30. if (rt2800_entry_txstatus_timeout(entry))
  31. return true;
  32. }
  33. +
  34. return false;
  35. }
  36. EXPORT_SYMBOL_GPL(rt2800_txstatus_timeout);
  37. diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
  38. index aa8449a5e8fe..d0426314c2df 100644
  39. --- a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
  40. +++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
  41. @@ -197,7 +197,8 @@ void rt2800mmio_txstatus_tasklet(unsigned long data)
  42. rt2800_txdone(rt2x00dev);
  43. - rt2800_txdone_nostatus(rt2x00dev);
  44. + if (rt2800_txstatus_timeout(rt2x00dev))
  45. + rt2800_txdone_nostatus(rt2x00dev);
  46. if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
  47. rt2800mmio_enable_interrupt(rt2x00dev,
  48. diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
  49. index a279a4363bc1..af062cda4a23 100644
  50. --- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
  51. +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
  52. @@ -980,6 +980,8 @@ struct rt2x00_dev {
  53. */
  54. DECLARE_KFIFO_PTR(txstatus_fifo, u32);
  55. + unsigned long last_nostatus_check;
  56. +
  57. /*
  58. * Timer to ensure tx status reports are read (rt2800usb).
  59. */
  60. diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
  61. index 6e8beb7ea350..92ddc19e7bf7 100644
  62. --- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
  63. +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
  64. @@ -1039,6 +1039,7 @@ void rt2x00queue_start_queues(struct rt2x00_dev *rt2x00dev)
  65. */
  66. tx_queue_for_each(rt2x00dev, queue)
  67. rt2x00queue_start_queue(queue);
  68. + rt2x00dev->last_nostatus_check = jiffies;
  69. rt2x00queue_start_queue(rt2x00dev->rx);
  70. }
  71. --
  72. 2.18.0