From 0a590a38778dd77571a5309cc0d80a17b7d3427c Mon Sep 17 00:00:00 2001
From: Ben Greear <greearb@candelatech.com>
Date: Fri, 13 Oct 2017 14:55:48 +0300
Subject: [PATCH] ath10k: store coverage-class in case firmware is not booted
Git-commit: 0a590a38778dd77571a5309cc0d80a17b7d3427c
Patch-mainline: v4.15-rc1
References: FATE#326906
This way, we can apply the values when the NIC does come up.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/ath/ath10k/hw.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/hw.c b/drivers/net/wireless/ath/ath10k/hw.c
index 07df7c6bc05b..88955bbe20bd 100644
--- a/drivers/net/wireless/ath/ath10k/hw.c
+++ b/drivers/net/wireless/ath/ath10k/hw.c
@@ -604,8 +604,13 @@ static void ath10k_hw_qca988x_set_coverage_class(struct ath10k *ar,
/* Only modify registers if the core is started. */
if ((ar->state != ATH10K_STATE_ON) &&
- (ar->state != ATH10K_STATE_RESTARTED))
+ (ar->state != ATH10K_STATE_RESTARTED)) {
+ spin_lock_bh(&ar->data_lock);
+ /* Store config value for when radio boots up */
+ ar->fw_coverage.coverage_class = value;
+ spin_unlock_bh(&ar->data_lock);
goto unlock;
+ }
/* Retrieve the current values of the two registers that need to be
* adjusted.
@@ -637,7 +642,7 @@ static void ath10k_hw_qca988x_set_coverage_class(struct ath10k *ar,
ar->fw_coverage.reg_ack_cts_timeout_orig = timeout_reg;
ar->fw_coverage.reg_phyclk = phyclk_reg;
- /* Calculat new value based on the (original) firmware calculation. */
+ /* Calculate new value based on the (original) firmware calculation. */
slottime_reg = ar->fw_coverage.reg_slottime_orig;
timeout_reg = ar->fw_coverage.reg_ack_cts_timeout_orig;
--
2.19.2