linux-kernel - [PATCH 5.19 0317/1157] ath11k: Init hw_params before setting up AHB resources

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Message-Id: <20220815180452.334381459@linuxfoundation.org>
Date:   Mon, 15 Aug 2022 19:54:33 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Manikanta Pubbisetty <quic_mpubbise@...cinc.com>,
        Kalle Valo <quic_kvalo@...cinc.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.19 0317/1157] ath11k: Init hw_params before setting up AHB resources

From: Manikanta Pubbisetty <quic_mpubbise@...cinc.com>

[ Upstream commit bebcfd2534a63ab7e7325f5337662bc84ca038b6 ]

As part of adding the support of WCN6750 to ath11k, bus_params
were moved to hw_params and this regressed the initialization
of WCN6750. By the time AHB resources are setup for WCN6750,
hw_params will not be initialized and therefore initialization
for WCN6750 will fail. This is applicable only for WCN6750,
no other device is impacted.

Fix this by moving the initialization of hw_params before
setting up AHB resources.

Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1

Fixes: 00402f49d26f ("ath11k: Add support for WCN6750 device")
Signed-off-by: Manikanta Pubbisetty <quic_mpubbise@...cinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@...cinc.com>
Link: https://lore.kernel.org/r/20220517055241.15885-1-quic_mpubbise@quicinc.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/ath/ath11k/ahb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c
index fa11807f48a9..d7d33d5cdfc5 100644
--- a/drivers/net/wireless/ath/ath11k/ahb.c
+++ b/drivers/net/wireless/ath/ath11k/ahb.c
@@ -976,11 +976,11 @@ static int ath11k_ahb_probe(struct platform_device *pdev)
 	ab->hw_rev = hw_rev;
 	platform_set_drvdata(pdev, ab);
 
-	ret = ath11k_ahb_setup_resources(ab);
+	ret = ath11k_core_pre_init(ab);
 	if (ret)
 		goto err_core_free;
 
-	ret = ath11k_core_pre_init(ab);
+	ret = ath11k_ahb_setup_resources(ab);
 	if (ret)
 		goto err_core_free;
 
-- 
2.35.1