Thread (49 messages) 49 messages, 4 authors, 24d ago

[PATCH net-next v7 14/14] misc: lan966x-pci: dts: add fdma interrupt to overlay

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COLD24d SUPERSEDED: 14 (14M)

From: Daniel Machon <daniel.machon@microchip.com>
Date: 2026-09-18 11:35:08
Also in: bpf, linux-arm-kernel, lkml
Subsystem: char and misc drivers, microchip lan966x pci driver, the rest · Maintainers: Arnd Bergmann, Greg Kroah-Hartman, Herve Codina, Linus Torvalds

Revision v7 of 4 in this series; 1 review trailer (1 from subsystem maintainers).

Revisions (4)
  1. v6 [diff vs current]
  2. v7 current
  3. v8 [diff vs current]
  4. v9 [diff vs current]
Add the fdma interrupt (OIC interrupt 14) to the lan966x PCI device
tree overlay, enabling FDMA-based frame injection/extraction when
the switch is connected over PCIe.

Tested-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
---
 drivers/misc/lan966x_pci.dtso | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/lan966x_pci.dtso b/drivers/misc/lan966x_pci.dtso
index 7bb726550caf..5bb12dbc0843 100644
--- a/drivers/misc/lan966x_pci.dtso
+++ b/drivers/misc/lan966x_pci.dtso
@@ -141,8 +141,9 @@ switch: switch@e0000000 {
 
 					interrupt-parent = <&oic>;
 					interrupts = <12 IRQ_TYPE_LEVEL_HIGH>,
+						     <14 IRQ_TYPE_LEVEL_HIGH>,
 						     <9 IRQ_TYPE_LEVEL_HIGH>;
-					interrupt-names = "xtr", "ana";
+					interrupt-names = "xtr", "fdma", "ana";
 
 					resets = <&reset 0>;
 					reset-names = "switch";
-- 
2.34.1
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