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authorFrank Li <Frank.Li@nxp.com>2024-04-18 12:04:27 -0400
committerBjorn Helgaas <bhelgaas@google.com>2024-07-09 18:20:13 -0500
commit9972b17712e434f1284bc85d77a2fdbb33db6c51 (patch)
treeb6226e79a4242befec5f1984b99bb0f2fd97293a /drivers/pci
parent95cb8ff68851ed0d249fb8a1d9657987cd844e08 (diff)
downloadlwn-9972b17712e434f1284bc85d77a2fdbb33db6c51.tar.gz
lwn-9972b17712e434f1284bc85d77a2fdbb33db6c51.zip
PCI: Add PCIE_MSG_CODE_PME_TURN_OFF message macro
Add PCIE_MSG_CODE_PME_TURN_OFF macros to enable a PCIe host driver to send PME_Turn_Off messages. Link: https://lore.kernel.org/linux-pci/20240418-pme_msg-v8-4-a54265c39742@nxp.com Signed-off-by: Frank Li <Frank.Li@nxp.com> Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/pci.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 95c95d981241..84b711cad267 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -30,6 +30,9 @@
#define PCIE_MSG_TYPE_R_LOCAL 4
#define PCIE_MSG_TYPE_R_GATHER 5
+/* Power Management Messages; PCIe r6.0, sec 2.2.8.2 */
+#define PCIE_MSG_CODE_PME_TURN_OFF 0x19
+
/* INTx Mechanism Messages; PCIe r6.0, sec 2.2.8.1 */
#define PCIE_MSG_CODE_ASSERT_INTA 0x20
#define PCIE_MSG_CODE_ASSERT_INTB 0x21