On 07/03/2024 11:33, Yang Xiwen wrote: > On 3/7/2024 3:48 PM, Krzysztof Kozlowski wrote: >> On 06/03/2024 10:28, Yang Xiwen wrote: >>> On 3/6/2024 3:39 PM, Krzysztof Kozlowski wrote: >>>> On 05/03/2024 08:51, Yang Xiwen via B4 Relay wrote: >>>>> From: Yang Xiwen <forbidden405@xxxxxxxxxxx> >>>>> >>>>> Convert the old text binding to new YAML. >>>>> >>>>> While at it, make some changes to the binding: >>>>> - The version numbers are not documented publicly. The version also does >>>>> not change programming interface. Remove it until it's really needed. >>>>> - A few clocks are missing in old binding file. Add them to match the real >>>>> hardware. >>>>> >>>>> Signed-off-by: Yang Xiwen <forbidden405@xxxxxxxxxxx> >>>>> --- >>>>> .../bindings/net/hisilicon,hisi-femac.yaml | 89 ++++++++++++++++++++++ >>>>> .../devicetree/bindings/net/hisilicon-femac.txt | 41 ---------- >>>>> 2 files changed, 89 insertions(+), 41 deletions(-) >>>>> >>>>> diff --git a/Documentation/devicetree/bindings/net/hisilicon,hisi-femac.yaml b/Documentation/devicetree/bindings/net/hisilicon,hisi-femac.yaml >>>>> new file mode 100644 >>>>> index 000000000000..ba207f2c9ae4 >>>>> --- /dev/null >>>>> +++ b/Documentation/devicetree/bindings/net/hisilicon,hisi-femac.yaml >>>>> @@ -0,0 +1,89 @@ >>>>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause >>>>> +%YAML 1.2 >>>>> +--- >>>>> +$id: http://devicetree.org/schemas/net/hisilicon,hisi-femac.yaml# >>>>> +$schema: http://devicetree.org/meta-schemas/core.yaml# >>>>> + >>>>> +title: Hisilicon Fast Ethernet MAC controller >>>>> + >>>>> +maintainers: >>>>> + - Yang Xiwen <forbidden405@xxxxxxxxxxx> >>>>> + >>>>> +allOf: >>>>> + - $ref: ethernet-controller.yaml >>>>> + >>>>> +properties: >>>>> + compatible: >>>>> + items: >>>>> + - enum: >>>>> + - hisilicon,hi3516cv300-femac >>>>> + - const: hisilicon,hisi-femac >>>> Drop this fallback, your later driver change does not use it, so neither >>>> should have binding. Explain in commit msg, that old binding was >>>> incorrect (we discussed it a lot) thus you are making such change during >>>> conversion. >>> >>> What about deprecating "hisilicon,hisi-femac-vn" compatibles and >>> introduce a new generic compatible "hisilicon,hisi-femac" instead? This >>> way, We can keep backward compatibility. >> What backward compatibility? Didn't you say bindings and driver are >> broken and you are going to break ABI to fix them up? > > > Yes, indeed the old binding is broken. I'm just wondering why you say > "hisilicon,hisi-femac" should be removed. The FEMAC core on both SoCs > are compatible afaik. You don't use that fallback. What is the point of having it? You express compatibility via SoC compatibles. Best regards, Krzysztof