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[v2,0/2] eliminate two common errors reported by any yaml on arm64

Message ID 20201016090833.1892-1-thunder.leizhen@huawei.com
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Series eliminate two common errors reported by any yaml on arm64 | expand

Message

Zhen Lei Oct. 16, 2020, 9:08 a.m. UTC 
v1 --> v2:
Although it's simpler to delete the empty "dma-ranges" property, and the function
of_translate_one() in drivers/of/address.c will treate non "dma-ranges" case as
empty "dma-ranges". But as Arnd Bergmann suggested: it's not good for the scenario
of IOMMU disabled or absented.

This version make sure that the node have empty "dma-ranges" property have the same
"#address-cells" and "#size-cells" values as its parent node.


v1:
The following errors occured no matter which YAML file I executed on arm64.
Therefore, it is necessary to eliminate it so that people's time and energy are
not wasted every time.

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)
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)
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)
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)
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)
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)
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)
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)

Zhen Lei (2):
  arm64: dts: broadcom: clear the warnings caused by empty dma-ranges
  arm64: dts: qcom: clear the warnings caused by empty dma-ranges

 .../boot/dts/broadcom/stingray/stingray-usb.dtsi   | 20 +++---
 arch/arm64/boot/dts/qcom/ipq6018.dtsi              | 72 +++++++++++-----------
 2 files changed, 46 insertions(+), 46 deletions(-)

Comments

patchwork-bot+linux-arm-msm@kernel.org Dec. 29, 2020, 8:15 p.m. UTC | #1 
Hello:

This series was applied to qcom/linux.git (refs/heads/for-next):

On Fri, 16 Oct 2020 17:08:31 +0800 you wrote:
> v1 --> v2:

> Although it's simpler to delete the empty "dma-ranges" property, and the function

> of_translate_one() in drivers/of/address.c will treate non "dma-ranges" case as

> empty "dma-ranges". But as Arnd Bergmann suggested: it's not good for the scenario

> of IOMMU disabled or absented.

> 

> This version make sure that the node have empty "dma-ranges" property have the same

> "#address-cells" and "#size-cells" values as its parent node.

> 

> [...]


Here is the summary with links:
  - [v2,1/2] arm64: dts: broadcom: clear the warnings caused by empty dma-ranges
    https://git.kernel.org/qcom/c/2013a4b684b6
  - [v2,2/2] arm64: dts: qcom: clear the warnings caused by empty dma-ranges
    https://git.kernel.org/qcom/c/e3389b0a1495

You are awesome, thank you!
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