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Message-ID: <20201016090833.1892-3-thunder.leizhen@huawei.com>
Date: Fri, 16 Oct 2020 17:08:33 +0800
From: Zhen Lei <thunder.leizhen@...wei.com>
To: Rob Herring <robh+dt@...nel.org>, Arnd Bergmann <arnd@...db.de>,
"Florian Fainelli" <f.fainelli@...il.com>,
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 v2 2/2] arm64: dts: qcom: clear the warnings caused by empty dma-ranges
The scripts/dtc/checks.c requires that the node have empty "dma-ranges"
property must have the same "#address-cells" and "#size-cells" values as
the parent node. Otherwise, the following warnings is reported:
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)
Arnd Bergmann figured out why it's necessary:
Also note that the #address-cells=<1> means that any device under
this bus is assumed to only support 32-bit addressing, and DMA will
have to go through a slow swiotlb in the absence of an IOMMU.
Suggested-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
arch/arm64/boot/dts/qcom/ipq6018.dtsi | 72 +++++++++++++++++------------------
1 file changed, 36 insertions(+), 36 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
index a94dac76bf3fbdd..59e0cbfa2214305 100644
--- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
@@ -179,22 +179,22 @@
};
soc: soc {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges = <0 0 0 0xffffffff>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges = <0 0 0 0 0x0 0xffffffff>;
dma-ranges;
compatible = "simple-bus";
prng: qrng@...00 {
compatible = "qcom,prng-ee";
- reg = <0xe3000 0x1000>;
+ reg = <0x0 0xe3000 0x0 0x1000>;
clocks = <&gcc GCC_PRNG_AHB_CLK>;
clock-names = "core";
};
cryptobam: dma@...000 {
compatible = "qcom,bam-v1.7.0";
- reg = <0x00704000 0x20000>;
+ reg = <0x0 0x00704000 0x0 0x20000>;
interrupts = <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_CRYPTO_AHB_CLK>;
clock-names = "bam_clk";
@@ -206,7 +206,7 @@
crypto: crypto@...000 {
compatible = "qcom,crypto-v5.1";
- reg = <0x0073a000 0x6000>;
+ reg = <0x0 0x0073a000 0x0 0x6000>;
clocks = <&gcc GCC_CRYPTO_AHB_CLK>,
<&gcc GCC_CRYPTO_AXI_CLK>,
<&gcc GCC_CRYPTO_CLK>;
@@ -217,7 +217,7 @@
tlmm: pinctrl@...0000 {
compatible = "qcom,ipq6018-pinctrl";
- reg = <0x01000000 0x300000>;
+ reg = <0x0 0x01000000 0x0 0x300000>;
interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
gpio-controller;
#gpio-cells = <2>;
@@ -235,7 +235,7 @@
gcc: gcc@...0000 {
compatible = "qcom,gcc-ipq6018";
- reg = <0x01800000 0x80000>;
+ reg = <0x0 0x01800000 0x0 0x80000>;
clocks = <&xo>, <&sleep_clk>;
clock-names = "xo", "sleep_clk";
#clock-cells = <1>;
@@ -244,17 +244,17 @@
tcsr_mutex_regs: syscon@...5000 {
compatible = "syscon";
- reg = <0x01905000 0x8000>;
+ reg = <0x0 0x01905000 0x0 0x8000>;
};
tcsr_q6: syscon@...5000 {
compatible = "syscon";
- reg = <0x01945000 0xe000>;
+ reg = <0x0 0x01945000 0x0 0xe000>;
};
blsp_dma: dma@...4000 {
compatible = "qcom,bam-v1.7.0";
- reg = <0x07884000 0x2b000>;
+ reg = <0x0 0x07884000 0x0 0x2b000>;
interrupts = <GIC_SPI 238 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_BLSP1_AHB_CLK>;
clock-names = "bam_clk";
@@ -264,7 +264,7 @@
blsp1_uart3: serial@...1000 {
compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
- reg = <0x078b1000 0x200>;
+ reg = <0x0 0x078b1000 0x0 0x200>;
interrupts = <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_BLSP1_UART3_APPS_CLK>,
<&gcc GCC_BLSP1_AHB_CLK>;
@@ -276,7 +276,7 @@
compatible = "qcom,spi-qup-v2.2.1";
#address-cells = <1>;
#size-cells = <0>;
- reg = <0x078b5000 0x600>;
+ reg = <0x0 0x078b5000 0x0 0x600>;
interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
spi-max-frequency = <50000000>;
clocks = <&gcc GCC_BLSP1_QUP1_SPI_APPS_CLK>,
@@ -291,7 +291,7 @@
compatible = "qcom,spi-qup-v2.2.1";
#address-cells = <1>;
#size-cells = <0>;
- reg = <0x078b6000 0x600>;
+ reg = <0x0 0x078b6000 0x0 0x600>;
interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
spi-max-frequency = <50000000>;
clocks = <&gcc GCC_BLSP1_QUP2_SPI_APPS_CLK>,
@@ -306,7 +306,7 @@
compatible = "qcom,i2c-qup-v2.2.1";
#address-cells = <1>;
#size-cells = <0>;
- reg = <0x078b6000 0x600>;
+ reg = <0x0 0x078b6000 0x0 0x600>;
interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_BLSP1_AHB_CLK>,
<&gcc GCC_BLSP1_QUP2_I2C_APPS_CLK>;
@@ -321,7 +321,7 @@
compatible = "qcom,i2c-qup-v2.2.1";
#address-cells = <1>;
#size-cells = <0>;
- reg = <0x078b7000 0x600>;
+ reg = <0x0 0x078b7000 0x0 0x600>;
interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_BLSP1_AHB_CLK>,
<&gcc GCC_BLSP1_QUP3_I2C_APPS_CLK>;
@@ -336,24 +336,24 @@
compatible = "qcom,msm-qgic2";
interrupt-controller;
#interrupt-cells = <0x3>;
- reg = <0x0b000000 0x1000>, /*GICD*/
- <0x0b002000 0x1000>, /*GICC*/
- <0x0b001000 0x1000>, /*GICH*/
- <0x0b004000 0x1000>; /*GICV*/
+ reg = <0x0 0x0b000000 0x0 0x1000>, /*GICD*/
+ <0x0 0x0b002000 0x0 0x1000>, /*GICC*/
+ <0x0 0x0b001000 0x0 0x1000>, /*GICH*/
+ <0x0 0x0b004000 0x0 0x1000>; /*GICV*/
interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
};
watchdog@...7000 {
compatible = "qcom,kpss-wdt";
interrupts = <GIC_SPI 3 IRQ_TYPE_EDGE_RISING>;
- reg = <0x0b017000 0x40>;
+ reg = <0x0 0x0b017000 0x0 0x40>;
clocks = <&sleep_clk>;
timeout-sec = <10>;
};
apcs_glb: mailbox@...1000 {
compatible = "qcom,ipq6018-apcs-apps-global";
- reg = <0x0b111000 0x1000>;
+ reg = <0x0 0x0b111000 0x0 0x1000>;
#clock-cells = <1>;
clocks = <&a53pll>, <&xo>;
clock-names = "pll", "xo";
@@ -362,7 +362,7 @@
a53pll: clock@...6000 {
compatible = "qcom,ipq6018-a53pll";
- reg = <0x0b116000 0x40>;
+ reg = <0x0 0x0b116000 0x0 0x40>;
#clock-cells = <0>;
clocks = <&xo>;
clock-names = "xo";
@@ -377,68 +377,68 @@
};
timer@...0000 {
- #address-cells = <1>;
- #size-cells = <1>;
+ #address-cells = <2>;
+ #size-cells = <2>;
ranges;
compatible = "arm,armv7-timer-mem";
- reg = <0x0b120000 0x1000>;
+ reg = <0x0 0x0b120000 0x0 0x1000>;
clock-frequency = <19200000>;
frame@...0000 {
frame-number = <0>;
interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
- reg = <0x0b121000 0x1000>,
- <0x0b122000 0x1000>;
+ reg = <0x0 0x0b121000 0x0 0x1000>,
+ <0x0 0x0b122000 0x0 0x1000>;
};
frame@...3000 {
frame-number = <1>;
interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
- reg = <0xb123000 0x1000>;
+ reg = <0x0 0xb123000 0x0 0x1000>;
status = "disabled";
};
frame@...4000 {
frame-number = <2>;
interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
- reg = <0x0b124000 0x1000>;
+ reg = <0x0 0x0b124000 0x0 0x1000>;
status = "disabled";
};
frame@...5000 {
frame-number = <3>;
interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
- reg = <0x0b125000 0x1000>;
+ reg = <0x0 0x0b125000 0x0 0x1000>;
status = "disabled";
};
frame@...6000 {
frame-number = <4>;
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
- reg = <0x0b126000 0x1000>;
+ reg = <0x0 0x0b126000 0x0 0x1000>;
status = "disabled";
};
frame@...7000 {
frame-number = <5>;
interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
- reg = <0x0b127000 0x1000>;
+ reg = <0x0 0x0b127000 0x0 0x1000>;
status = "disabled";
};
frame@...8000 {
frame-number = <6>;
interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
- reg = <0x0b128000 0x1000>;
+ reg = <0x0 0x0b128000 0x0 0x1000>;
status = "disabled";
};
};
q6v5_wcss: remoteproc@...0000 {
compatible = "qcom,ipq8074-wcss-pil";
- reg = <0x0cd00000 0x4040>,
- <0x004ab000 0x20>;
+ reg = <0x0 0x0cd00000 0x0 0x4040>,
+ <0x0 0x004ab000 0x0 0x20>;
reg-names = "qdsp6",
"rmb";
interrupts-extended = <&intc GIC_SPI 325 IRQ_TYPE_EDGE_RISING>,
--
1.8.3
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