linux-kernel - [PATCH 5.14 089/151] ARM: dts: bcm2711-rpi-4-b: Fix usbs unit address

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Message-Id: <20211018132343.577569587@linuxfoundation.org>
Date:   Mon, 18 Oct 2021 15:24:28 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Rob Herring <robh@...nel.org>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>
Subject: [PATCH 5.14 089/151] ARM: dts: bcm2711-rpi-4-b: Fix usbs unit address

From: Nicolas Saenz Julienne <nsaenz@...nel.org>

commit 3f32472854614d6f53b09b4812372dba9fc5c7de upstream.

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@...nel.org>
Reviewed-by: Rob Herring <robh@...nel.org>
Link: https://lore.kernel.org/r/20210831125843.1233488-2-nsaenzju@redhat.com
Signed-off-by: Nicolas Saenz Julienne <nsaenz@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/arm/boot/dts/bcm2711-rpi-4-b.dts |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
@@ -224,8 +224,8 @@
 
 		reg = <0 0 0 0 0>;
 
-		usb@1,0 {
-			reg = <0x10000 0 0 0 0>;
+		usb@0,0 {
+			reg = <0 0 0 0 0>;
 			resets = <&reset RASPBERRYPI_FIRMWARE_RESET_ID_USB>;
 		};
 	};