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SubjectRe: [PATCH v2 1/5] misc: qca639x: add support for QCA639x powerup sequence
Date
Dmitry Baryshkov <dmitry.baryshkov@linaro.org> writes:

> Qualcomm QCA639x is a family of WiFi + Bluetooth SoCs, with BT part
> being controlled through the UART and WiFi being present on PCIe
> bus. Both blocks share common power sources. Add device driver handling
> power sequencing of QCA6390/1.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> ---
> drivers/misc/Kconfig | 12 +++
> drivers/misc/Makefile | 1 +
> drivers/misc/qcom-qca639x.c | 164 ++++++++++++++++++++++++++++++++++++
> 3 files changed, 177 insertions(+)
> create mode 100644 drivers/misc/qcom-qca639x.c
>
> diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
> index e90c2524e46c..a14f67ab476c 100644
> --- a/drivers/misc/Kconfig
> +++ b/drivers/misc/Kconfig
> @@ -255,6 +255,18 @@ config QCOM_FASTRPC
> applications DSP processor. Say M if you want to enable this
> module.
>
> +config QCOM_QCA639X
> + tristate "Qualcomm QCA639x WiFi/Bluetooth module support"
> + depends on REGULATOR && PM_GENERIC_DOMAINS
> + help
> + If you say yes to this option, support will be included for Qualcomm
> + QCA639x family of WiFi and Bluetooth SoCs. Note, this driver supports
> + only power control for this SoC, you still have to enable individual
> + Bluetooth and WiFi drivers.
> +
> + Say M here if you want to include support for QCA639x chips as a
> + module. This will build a module called "qcom-qca639x".

Is this is something you need on ARM platforms? As on x86 this is
definitely not needed, for example it's enough to load ath11k_pci to get
QCA6390 Wi-Fi working. I think the documentation should be clarified
where this QCOM_QCA639X is needed (and it's not needed on normal PCI
devices).

--
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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