linux-kernel - Re: [PATCH v2 1/4] arm64: Kconfig: enable PCI Power Control Slot driver for QCOM

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Message-ID: <aAtaLm253EtlXwan@hovoldconsulting.com>
Date: Fri, 25 Apr 2025 11:47:26 +0200
From: Johan Hovold <johan@...nel.org>
To: Wenbin Yao <quic_wenbyao@...cinc.com>
Cc: catalin.marinas@....com, will@...nel.org,
	linux-arm-kernel@...ts.infradead.org, andersson@...nel.org,
	konradybcio@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	krishna.chundru@....qualcomm.com, quic_vbadigan@...cinc.com,
	quic_mrana@...cinc.com, quic_cang@...cinc.com,
	quic_qianyu@...cinc.com
Subject: Re: [PATCH v2 1/4] arm64: Kconfig: enable PCI Power Control Slot
 driver for QCOM

On Fri, Apr 25, 2025 at 05:29:52PM +0800, Wenbin Yao wrote:
> From: Qiang Yu <quic_qianyu@...cinc.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 standard PCI slots on some platforms eg. 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@...cinc.com>
> Signed-off-by: Wenbin Yao <quic_wenbyao@...cinc.com>
> ---
>  arch/arm64/Kconfig.platforms | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
> index 8b76821f1..14d2742c8 100644
> --- a/arch/arm64/Kconfig.platforms
> +++ b/arch/arm64/Kconfig.platforms
> @@ -270,6 +270,7 @@ config ARCH_QCOM
>  	select GPIOLIB
>  	select PINCTRL
>  	select HAVE_PWRCTL if PCI
> +	select PCI_PWRCTL_SLOT if PCI

Note that this symbol is getting renamed for 6.16:

	 https://lore.kernel.org/lkml/20250402132634.18065-2-johan+linaro@kernel.org/

Johan