openwrtv3/package/kernel/mac80211/patches/327-ath10k-increase-BMI-timeout.patch
Pavel Kubelun 025cb640cd ath10k: increase bmi timeout to fix OTP on qca99xx boards and add bmi identification through pre-cal file
Backporting upstream patches.

Signed-off-by: Pavel Kubelun <be.dissent@gmail.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name> [refresh, rename patches]
2017-06-17 11:51:41 +02:00

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