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The Linux kernel configuration item CONFIG_POWER_SEQUENCING_QCOM_WCN
:
CONFIG_ARCH_QCOM
pwrseq-qcom-wcn
Say Y here to enable the power sequencing driver for Qualcomm WCN Bluetooth/WLAN chipsets.
Typically, a package from the Qualcomm WCN family contains the BT and WLAN modules whose power is controlled by the PMU module. As the former two share the power-up sequence which is executed by the PMU, this driver is needed for correct power control or else we'd risk not respecting the required delays between enabling Bluetooth and WLAN.
Raw data from LKDDb:
lkddb module pwrseq-qcom-wcn CONFIG_POWER_SEQUENCING_QCOM_WCN : drivers/power/sequencing/Kconfig : "Qualcomm WCN family PMU driver" # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "qcom,qca6390-pmu" : CONFIG_POWER_SEQUENCING CONFIG_POWER_SEQUENCING_QCOM_WCN : drivers/power/sequencing/pwrseq-qcom-wcn.c # in 6.11, 6.12-rc+HEAD
lkddb of "" "" "qcom,wcn6855-pmu" : CONFIG_POWER_SEQUENCING CONFIG_POWER_SEQUENCING_QCOM_WCN : drivers/power/sequencing/pwrseq-qcom-wcn.c # in 6.12-rc+HEAD
lkddb of "" "" "qcom,wcn7850-pmu" : CONFIG_POWER_SEQUENCING CONFIG_POWER_SEQUENCING_QCOM_WCN : drivers/power/sequencing/pwrseq-qcom-wcn.c # in 6.11, 6.12-rc+HEAD
lkddb platform "pwrseq-qcom_wcn" : CONFIG_POWER_SEQUENCING CONFIG_POWER_SEQUENCING_QCOM_WCN : drivers/power/sequencing/pwrseq-qcom-wcn.c # in 6.11, 6.12-rc+HEAD
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Automatically generated (in year 2024). See also LKDDb sources on GitLab