Re: [PATCH v5 2/2] soc: loongson2_pm: add power management support

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在 2023/7/28 下午6:46, Arnd Bergmann 写道:
On Fri, Jul 28, 2023, at 09:49, Yinbo Zhu wrote:
The Loongson-2's power management controller was ACPI, supports ACPI
S2Idle (Suspend To Idle), ACPI S3 (Suspend To RAM), ACPI S4 (Suspend To
Disk), ACPI S5 (Soft Shutdown) and supports multiple wake-up methods
(USB, GMAC, PWRBTN, etc.). This driver was to add power management
controller support that base on dts for Loongson-2 series SoCs.

Co-developed-by: Liu Yun <liuyun@xxxxxxxxxxx>
Signed-off-by: Liu Yun <liuyun@xxxxxxxxxxx>
Co-developed-by: Liu Peibao <liupeibao@xxxxxxxxxxx>
Signed-off-by: Liu Peibao <liupeibao@xxxxxxxxxxx>
Signed-off-by: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>

Adding Ulf Hansson to Cc


okay, I will add ulf hansson to Cc.


Ulf has recently split out the "genpd" framework and split out
drivers/genpd from drivers/soc since I'm generally not that involved
in the pwoer management side.

okay, I got it.


Can you have a look at whether this driver should also be part
of drivers/genpd rather than drivers/soc, and/or converted
to use the genpd infrastructure?


I have a look drivers/soc and drivers/genpd, there seems to be power
manager code in both paths, but drivers/genpd seems more suitable. I
will move the code to drivers/genpd

Thanks,
Yinbo




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