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wifi: ath11k: fix QRTR readiness related WLAN initialization failures #878

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wifi: ath11k: fix QRTR readiness related WLAN initialization failures #878

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99ea192
FROMLIST: wifi: ath11k: fix sporadic WLAN initialization failures
miaoqing-quic Jul 8, 2026
063b3bb
FROMLIST: wifi: ath11k: fix NULL dereference in ahb remove when QMI i…
miaoqing-quic Jul 9, 2026
4de5f36
FROMLIST: wifi: ath11k: unregister PM notifier on QMI init failure path
miaoqing-quic Jul 21, 2026
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3 changes: 3 additions & 0 deletions drivers/net/wireless/ath/ath11k/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,9 @@ config ATH11K_AHB
tristate "Atheros ath11k AHB support"
depends on ATH11K
depends on REMOTEPROC
select RPMSG
select QRTR
select QRTR_SMD
help
This module adds support for AHB bus

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8 changes: 6 additions & 2 deletions drivers/net/wireless/ath/ath11k/ahb.c
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Expand Up @@ -1268,14 +1268,17 @@ static void ath11k_ahb_remove(struct platform_device *pdev)
{
struct ath11k_base *ab = platform_get_drvdata(pdev);

if (test_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags)) {
ath11k_ahb_remove_prepare(ab);

if (test_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags) ||
!test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags)) {
ath11k_ahb_power_down(ab, false);
ath11k_debugfs_soc_destroy(ab);
ath11k_qmi_deinit_service(ab);
ath11k_core_pm_notifier_unregister(ab);
goto qmi_fail;
}

ath11k_ahb_remove_prepare(ab);
ath11k_core_deinit(ab);

qmi_fail:
Expand Down Expand Up @@ -1315,5 +1318,6 @@ static struct platform_driver ath11k_ahb_driver = {

module_platform_driver(ath11k_ahb_driver);

MODULE_SOFTDEP("pre: qrtr_smd");
MODULE_DESCRIPTION("Driver support for Qualcomm Technologies 802.11ax WLAN AHB devices");
MODULE_LICENSE("Dual BSD/GPL");
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