[PATCH v1 1/3] arm64: defconfig: enable PCI Power Control for PCIe3

[Bartosz Golaszewski]

On Fri, Mar 21, 2025 at 8:37 AM Krzysztof Kozlowski <krzk at kernel.org> wrote:
>
> On 20/03/2025 06:55, Wenbin Yao wrote:
> > From: Qiang Yu <quic_qianyu at quicinc.com>
> >
> > Enable the pwrctrl driver, which is utilized to manage the power supplies
> > of the devices connected to the PCI slots. This ensures that the voltage
> > rails of the x8 PCI slots on the X1E80100 - QCP can be correctly turned
> > on/off if they are described under PCIe port device tree node.
> >
> > Signed-off-by: Qiang Yu <quic_qianyu at quicinc.com>
> > Signed-off-by: Wenbin Yao <quic_wenbyao at quicinc.com>
> > ---
> >  arch/arm64/configs/defconfig | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> > index 85ec2fba1..de86d1121 100644
> > --- a/arch/arm64/configs/defconfig
> > +++ b/arch/arm64/configs/defconfig
> > @@ -245,6 +245,7 @@ CONFIG_PCIE_LAYERSCAPE_GEN4=y
> >  CONFIG_PCI_ENDPOINT=y
> >  CONFIG_PCI_ENDPOINT_CONFIGFS=y
> >  CONFIG_PCI_EPF_TEST=m
> > +CONFIG_PCI_PWRCTL_SLOT=y
> Bartosz,
>
> Wasn't the intention to select it the same way as PCI_PWRCTL_PWRSEQ is
> selected?
>
> Best regards,
> Krzysztof
>

For sure. I would expect there to be something like:

select PCI_PWRCTL_SLOT if ARCH_QCOM

in Kconfig and nothing in defconfig.

Bartosz