linux-kernel - [PATCH 2/3] wifi: ath11k: Restart firmware after cold boot calibration for IPQ5018

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Message-ID: <TYZPR01MB55566969818BD4B49E770445C953A@TYZPR01MB5556.apcprd01.prod.exchangelabs.com>
Date:   Wed,  7 Jun 2023 17:24:38 +0000
From:   Ziyang Huang <hzyitc@...look.com>
To:     kvalo@...nel.org
Cc:     quic_srirrama@...cinc.com, quic_kathirve@...cinc.com,
        ath11k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        linux-kernel@...r.kernel.org, Ziyang Huang <hzyitc@...look.com>
Subject: [PATCH 2/3] wifi: ath11k: Restart firmware after cold boot calibration for IPQ5018

Restart is required after cold boot calibration on IPQ5018. Otherwise,
we get the following exception:

	[   14.412829] qcom-q6-mpd cd00000.remoteproc: fatal error received: err_smem_ver.2.1:
	[   14.412829] QC Image Version : QC_IMAGE_VERSION_STRING=WLAN.HK.2.6.0.1-00974-QCAHKSWPL_SILICONZ-1
	[   14.412829] Image Variant : IMAGE_VARIANT_STRING=5018.wlanfw2.map_spr_spr_evalQ
	[   14.412829] DALSysLogEvent.c:174 Assertion 0 failed param0 :zero,param1 :zero,param2 :zero
	[   14.412829] Thread ID : 0x00000048 Thread name : WLAN RT0 Process ID : 0x00000001 Process name :wlan0
	[   14.412829]
	[   14.412829] Registers:
	[   14.412829] SP : 0x4c81c120
	[   14.412829] FP : 0x4c81c138
	[   14.412829] PC : 0xb022c590
	[   14.412829] SSR : 0x00000000
	[   14.412829] BADVA : 0x00000000
	[   14.412829] LR : 0xb0008490
	[   14.412829]
	[   14.412829] StackDump
	[   14.412829] from:0x4c81c120
	[   14.412829] to: 0x00000000:
	[   14.412829]
	[   14.463006] remoteproc remoteproc0: crash detected in cd00000.remoteproc: type fatal error

Fixes: 8dfe875aa24a ("wifi: ath11k: update hw params for IPQ5018")
Signed-off-by: Ziyang Huang <hzyitc@...look.com>
---
 drivers/net/wireless/ath/ath11k/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c
index b1b90bd34d67..9de23c11e18b 100644
--- a/drivers/net/wireless/ath/ath11k/core.c
+++ b/drivers/net/wireless/ath/ath11k/core.c
@@ -664,6 +664,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
 		.hal_params = &ath11k_hw_hal_params_ipq8074,
 		.single_pdev_only = false,
 		.cold_boot_calib = true,
+		.cbcal_restart_fw = true,
 		.fix_l1ss = true,
 		.supports_dynamic_smps_6ghz = false,
 		.alloc_cacheable_memory = true,
-- 
2.25.1