Hi Krzysztof: Got it and thank you for your comments. I'll keep old code as fallback, if getting nuvoton,sys-mgr fails as you point out. Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> 於 2022年2月21日 週一 下午4:32寫道: > > On 21/02/2022 09:16, Tyrone Ting wrote: > > Hi Krzysztof: > > > > Thank you for your comments and please find my reply next to your comments. > > > > Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> 於 2022年2月20日 > > 週日 下午5:30寫道: > >> > >> On 20/02/2022 04:53, Tyrone Ting wrote: > >>> From: Tyrone Ting <kfting@xxxxxxxxxxx> > >>> > >>> This patchset includes the following fixes: > >>> > >>> - Add dt-bindings description for NPCM845. > >>> - Bug fix for timeout calculation. > >>> - Better handling of spurious interrupts. > >>> - Fix for event type in slave mode. > >>> - Removal of own slave addresses [2:10]. > >>> - Support for next gen BMC (NPCM845). > >>> > >>> The NPCM I2C driver is tested on NPCM750 and NPCM845 evaluation boards. > >>> > >>> Addressed comments from: > >>> - Jonathan Neuschäfer : https://lkml.org/lkml/2022/2/7/670 > >>> - Krzysztof Kozlowski : https://lkml.org/lkml/2022/2/7/760 > >> > >> How did you address the ABI change comment? I still see you break the > >> ABI with the introduction of a new, required property. > >> > > > > I add the new, required property "nuvoton,sys-mgr" in the file > > nuvoton-common-npcm7xx.dtsi. > > The file nuvoton-common-npcm7xx.dtsi is required by the existing > > upstream NPCM devicetree files. > > It is also updated and committed in this patch set [PATCH v2 01/11] > > arm: dts: add new property for NPCM i2c module. > > Please let me know if I misunderstand the meaning of "breaking the ABI". > > Thank you again. > > Breaking the ABI means that old DTS stop working with new kernel. Your > change breaks old (and out-of-tree) DTS. > > What is more, your change is not bisectable because DTS goes via > separate branch or tree than driver change. > > You need to keep old code as fallback, if getting nuvoton,sys-mgr fails. > > Best regards, > Krzysztof Best regards, Tyrone