linux-kernel - [PATCH] x86/amd_nb: Add new PCI IDs to the MISC IDs list for Family 1Ah

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Date: Fri, 10 May 2024 16:48:28 +0530
From: Shyam Sundar S K <Shyam-sundar.S-k@....com>
To: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>,
	Peter Anvin <hpa@...or.com>, Bjorn Helgaas <bhelgaas@...gle.com>,
	"Muralidhara M K" <muralidhara.mk@....com>, Yazen Ghannam
	<yazen.ghannam@....com>, "Avadhut Naik" <Avadhut.Naik@....com>
CC: <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>, "Shyam Sundar
 S K" <Shyam-sundar.S-k@....com>
Subject: [PATCH] x86/amd_nb: Add new PCI IDs to the MISC IDs list for Family 1Ah

Add the new PCI Device IDs to the MISC IDs list to support new generation
of AMD 1Ah family 70h Models of processors.

(As the amd_nb functions are used by PMC and PMF drivers, without these IDs
being present in the MISC IDs the PMF/PMC driver probe fail to happen.)

Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@....com>
---
 arch/x86/kernel/amd_nb.c | 1 +
 include/linux/pci_ids.h  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c
index 5bf5f9fc5753..3cf156f70859 100644
--- a/arch/x86/kernel/amd_nb.c
+++ b/arch/x86/kernel/amd_nb.c
@@ -95,6 +95,7 @@ static const struct pci_device_id amd_nb_misc_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_19H_M78H_DF_F3) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_1AH_M00H_DF_F3) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_1AH_M20H_DF_F3) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_1AH_M70H_DF_F3) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_MI200_DF_F3) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_MI300_DF_F3) },
 	{}
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index a0c75e467df3..c547d1d4feb1 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -580,6 +580,7 @@
 #define PCI_DEVICE_ID_AMD_19H_M78H_DF_F3 0x12fb
 #define PCI_DEVICE_ID_AMD_1AH_M00H_DF_F3 0x12c3
 #define PCI_DEVICE_ID_AMD_1AH_M20H_DF_F3 0x16fb
+#define PCI_DEVICE_ID_AMD_1AH_M70H_DF_F3 0x12bb
 #define PCI_DEVICE_ID_AMD_MI200_DF_F3	0x14d3
 #define PCI_DEVICE_ID_AMD_MI300_DF_F3	0x152b
 #define PCI_DEVICE_ID_AMD_VANGOGH_USB	0x163a
-- 
2.25.1