Re: [PATCH 2/4] mfd: qca639x: add support for QCA639x powerup sequence

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On Sun, 20 Dec 2020, Dmitry Baryshkov wrote:

> 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. So add mfd device driver
> handling power sequencing of QCA6390/1.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
>  drivers/mfd/Kconfig        |  12 +++
>  drivers/mfd/Makefile       |   1 +
>  drivers/mfd/qcom-qca639x.c | 168 +++++++++++++++++++++++++++++++++++++
>  3 files changed, 181 insertions(+)
>  create mode 100644 drivers/mfd/qcom-qca639x.c

This is not an MFD, since it utilised neither the MFD API nor
of_platform_populate() to register child devices.

Suggest you use drivers/power or similar to handle shared power
sequencing requirements.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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