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Subject[PATCH v1 1/1] arm64: dts: stingray: fix usb dma address translation
Date
From: Bharat Gooty <bharat.gooty@broadcom.com>

Add a non-empty dma-ranges so that dma address translation
happens.

Fixes: 2013a4b684b6 ("arm64: dts: broadcom: clear the warnings caused by empty dma-ranges")

Signed-off-by: Bharat Gooty <bharat.gooty@broadcom.com>
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
---
arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi b/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi
index aef8f2b00778..5401a646c840 100644
--- a/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi
+++ b/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi
@@ -4,11 +4,16 @@
*/
usb {
compatible = "simple-bus";
- dma-ranges;
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0x68500000 0x0 0x00400000>;

+ /*
+ * Internally, USB bus to the interconnect can only address up
+ * to 40-bit
+ */
+ dma-ranges = <0 0 0 0 0x100 0x0>;
+
usbphy0: usb-phy@0 {
compatible = "brcm,sr-usb-combo-phy";
reg = <0x0 0x00000000 0x0 0x100>;
--
2.17.1
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