[PATCH v3 v3] PCI: dwc: Add pci id for LECARC pcie pmu
From: Braden Zhang
Date: Sun Jul 12 2026 - 22:26:36 EST
From: Brett Zhou <brett_zhou@xxxxxxxxxxxxxxx>
This patch adds support for the PCIe PMU found
on LECARC SoCs, which utilize the DesignWare PCIe Controller IP
Signed-off-by: Brett Zhou <brett_zhou@xxxxxxxxxxxxxxx>
Reviewed-by: Bjorn Helgaas <helgaas@xxxxxxxxxx>
Signed-off-by: Braden Zhang <braden_zhang@xxxxxxxxxxxxxxx>
---
Changes in v3:
- Update: move definition to pcie-dwc.h a
- Format: Update the subject line to follow the style of previous pcie-dwc.h changes.
- Link to v2: https://patch.msgid.link/20260710-pcie-pmu-v2-1-a3d73d4d9051@xxxxxxxxxxxxxxx
Changes in v2:
- Format: repalce space with tab to separate the macro name and the value.
- Link to v1: https://patch.msgid.link/20260710-pcie-pmu-v1-1-1519e580313f@xxxxxxxxxxxxxxx
To: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
To: Jingoo Han <jingoohan1@xxxxxxxxx>
To: Manivannan Sadhasivam <mani@xxxxxxxxxx>
Cc: linux-pci@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
include/linux/pcie-dwc.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/linux/pcie-dwc.h b/include/linux/pcie-dwc.h
index 8ff778e7aec0..0df5fa81b561 100644
--- a/include/linux/pcie-dwc.h
+++ b/include/linux/pcie-dwc.h
@@ -11,6 +11,8 @@
#include <linux/pci_ids.h>
+#define PCI_VENDOR_ID_LECARC 0x0720
+
struct dwc_pcie_vsec_id {
u16 vendor_id;
u16 vsec_id;
@@ -32,6 +34,8 @@ static const struct dwc_pcie_vsec_id dwc_pcie_rasdes_vsec_ids[] = {
.vsec_id = 0x02, .vsec_rev = 0x4 },
{ .vendor_id = PCI_VENDOR_ID_SAMSUNG,
.vsec_id = 0x02, .vsec_rev = 0x4 },
+ { .vendor_id = PCI_VENDOR_ID_LECARC,
+ .vsec_id = 0x02, .vsec_rev = 0x4 },
{}
};
---
base-commit: a635d6748234582ea287c5ffeae28b9b23f91c7e
change-id: 20260710-pcie-pmu-5ef78c56c3b6
Best regards,
--
Braden Zhang <braden_zhang@xxxxxxxxxxxxxxx>