linux-kernel - [PATCH 1/2] arm64: dts: broadcom: remove an unused property dma-ranges

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Date:   Tue, 13 Oct 2020 14:06:22 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Rob Herring <robh+dt@...nel.org>, Ray Jui <rjui@...adcom.com>,
        "Scott Branden" <sbranden@...adcom.com>,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH 1/2] arm64: dts: broadcom: remove an unused property dma-ranges

stingray-usb.dtsi is finally included by three dts files:
bcm958802a802x.dts, bcm958742k.dts and bcm958742t.dts. I searched all
these three entire expanded dts files, and each of them contains only one
dma-ranges. No conversion range is specified, so it cannot work properly.
I think this property "dma-ranges" is added by mistake, just remove it.
Otherwise, the following error will be reported when any YAML detection
is performed on arm64.

arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14: Warning \
(dma_ranges_format): /usb:dma-ranges: empty "dma-ranges" property but \
its #address-cells (1) differs from / (2)
arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14: Warning \
(dma_ranges_format): /usb:dma-ranges: empty "dma-ranges" property but \
its #size-cells (1) differs from / (2)

Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi | 1 -
 1 file changed, 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 55259f973b5a9e4..9ac8be6c65aa031 100644
--- a/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi
+++ b/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi
@@ -4,7 +4,6 @@
  */
 	usb {
 		compatible = "simple-bus";
-		dma-ranges;
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0x68500000 0x00400000>;
-- 
1.8.3