[PATCH v2 2/2] ARM: dts: bcm2711-rpi-4-b: Fix usb's unit address
Nicolas Saenz Julienne
nsaenzju at redhat.com
Tue Aug 31 05:58:43 PDT 2021
The unit address is supposed to represent '<device>,<function>'. Which
are both 0 for RPi4b's XHCI controller. On top of that although
OpenFirmware states bus number goes in the high part of the last reg
parameter, FDT doesn't seem to care for it[1], so remove it.
[1] https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210830103909.323356-1-nsaenzju@redhat.com/#24414633
Fixes: 258f92d2f840 ("ARM: dts: bcm2711: Add reset controller to xHCI node")
Suggested-by: Rob Herring <robh at kernel.org>
Signed-off-by: Nicolas Saenz Julienne <nsaenzju at redhat.com>
---
Chages since v1:
- Add patch as per robh suggestion
arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
index 8377dc14b7b5..50530cc91876 100644
--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
@@ -225,8 +225,8 @@ pci at 0,0 {
reg = <0 0 0 0 0>;
- usb at 1,0 {
- reg = <0x10000 0 0 0 0>;
+ usb at 0,0 {
+ reg = <0 0 0 0 0>;
resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>;
};
};
--
2.31.1
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