linux-kernel - [PATCH 4/6] PCI: Add PME_TURN

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Date: Tue, 30 Jan 2024 19:45:29 -0500
From: Frank Li <Frank.Li@....com>
To: Bjorn Helgaas <bhelgaas@...gle.com>, Jingoo Han <jingoohan1@...il.com>, 
 Gustavo Pimentel <gustavo.pimentel@...opsys.com>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, 
 Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Krzysztof Wilczyński <kw@...ux.com>, 
 Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, imx@...ts.linux.dev
Cc: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Frank Li <Frank.Li@....com>
Subject: [PATCH 4/6] PCI: Add PME_TURN_OFF message macro

Add PME_TURN_OFF macros to enable a PCIe host driver to send PME messages.

Signed-off-by: Frank Li <Frank.Li@....com>
---
 drivers/pci/pci.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index fe42f5d10b010..46bbd815efccf 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -40,6 +40,8 @@
 #define PCI_MSG_CODE_DEASSERT_INTC	0x26
 #define PCI_MSG_CODE_DEASSERT_INTD	0x27
 
+#define PCI_MSG_CODE_PME_TURN_OFF	0x19
+
 extern const unsigned char pcie_link_speed[];
 extern bool pci_early_dump;
 

-- 
2.34.1