package/kernel/mac80211/patches/327-ath10k-increase-BMI-timeout.patch

   1 From: Ben Greear <greearb@candelatech.com>
   2 Date: Wed, 31 May 2017 14:21:19 +0300
   3 Subject: [PATCH] ath10k: increase BMI timeout
   4
   5 When testing a 9888 chipset NIC, I notice it often takes
   6 almost 2 seconds, and then many times OTP fails, probably due
   7 to the two-second timeout.
   8
   9 [ 2269.841842] ath10k_pci 0000:05:00.0: bmi cmd took: 1984 jiffies (HZ: 1000), rv: 0
  10 [ 2273.608185] ath10k_pci 0000:05:00.0: bmi cmd took: 1986 jiffies (HZ: 1000), rv: 0
  11 [ 2277.294732] ath10k_pci 0000:05:00.0: bmi cmd took: 1989 jiffies (HZ: 1000), rv: 0
  12
  13 So, increase the BMI timeout to 3 seconds.
  14
  15 Signed-off-by: Ben Greear <greearb@candelatech.com>
  16 Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
  17 ---
  18
  19 --- a/drivers/net/wireless/ath/ath10k/bmi.h
  20 +++ b/drivers/net/wireless/ath/ath10k/bmi.h
  21 @@ -187,8 +187,8 @@ struct bmi_target_info {
  22         u32 type;
  23  };
  24
  25 -/* in msec */
  26 -#define BMI_COMMUNICATION_TIMEOUT_HZ (2 * HZ)
  27 +/* in jiffies */
  28 +#define BMI_COMMUNICATION_TIMEOUT_HZ (3 * HZ)
  29
  30  #define BMI_CE_NUM_TO_TARG 0
  31  #define BMI_CE_NUM_TO_HOST 1