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

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Message-ID: <20201013060623.1711-3-thunder.leizhen@huawei.com>
Date:   Tue, 13 Oct 2020 14:06:23 +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 2/2] arm64: dts: qcom: remove an unused property dma-ranges

ipq6018.dtsi is only included by ipq6018-cp01-c1.dts. I searched the
entire expanded ipq6018-cp01-c1.dts file, and only one dma-ranges was
defined. 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/qcom/ipq6018.dtsi:185.3-14: Warning \
(dma_ranges_format): /soc:dma-ranges: empty "dma-ranges" property but \
its #address-cells (1) differs from / (2)
arch/arm64/boot/dts/qcom/ipq6018.dtsi:185.3-14: Warning \
(dma_ranges_format): /soc: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/qcom/ipq6018.dtsi | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
index a94dac76bf3fbdd..ec88c0723fb512d 100644
--- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
@@ -182,7 +182,6 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0 0 0 0xffffffff>;
-		dma-ranges;
 		compatible = "simple-bus";
 
 		prng: qrng@...00 {
-- 
1.8.3