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

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Message-Id: <20250425092955.4099677-2-quic_wenbyao@quicinc.com>
Date: Fri, 25 Apr 2025 17:29:52 +0800
From: Wenbin Yao <quic_wenbyao@...cinc.com>
To: 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
Cc: krishna.chundru@....qualcomm.com, quic_vbadigan@...cinc.com,
        quic_mrana@...cinc.com, quic_cang@...cinc.com, quic_qianyu@...cinc.com,
        quic_wenbyao@...cinc.com
Subject: [PATCH v2 1/4] arm64: Kconfig: enable PCI Power Control Slot driver for QCOM

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
 	help
 	  This enables support for the ARMv8 based Qualcomm chipsets.
 
-- 
2.34.1