linux-kernel - [PATCH v3 1/5] arm64: Kconfig: enable PCI Power Control Slot driver for QCOM

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Message-Id: <20250508081514.3227956-2-quic_wenbyao@quicinc.com>
Date: Thu,  8 May 2025 16:15:10 +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,
        vkoul@...nel.org, kishon@...nel.org, sfr@...b.auug.org.au,
        linux-phy@...ts.infradead.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 v3 1/5] 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 a541bb029..0ffd65e36 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -270,6 +270,7 @@ config ARCH_QCOM
 	select GPIOLIB
 	select PINCTRL
 	select HAVE_PWRCTRL if PCI
+	select PCI_PWRCTRL_SLOT if PCI
 	help
 	  This enables support for the ARMv8 based Qualcomm chipsets.
 
-- 
2.34.1