Messages in this thread | | | Date | Sat, 15 Jan 2022 00:20:46 +0100 | From | Pali Rohár <> | Subject | Re: [PATCH v7 0/6] serial: mvebu-uart: Support for higher baudrates |
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On Friday 14 January 2022 15:16:55 Stephen Boyd wrote: > Quoting Pali Rohár (2022-01-14 15:05:49) > > On Friday 14 January 2022 14:56:58 Stephen Boyd wrote: > > > > > > If we're adding new support why can't we break with backwards > > > compatibility for the binding and do it a different way? > > > > Because DTS are backwards compatible. I was told more times that kernel > > drivers should work correctly with older DTS files. On some boards are > > DTB files provided by bootloader and they do not use in-kernel DTS > > files. > > I'm not suggesting to break the kernel driver when used with older DTBs. > New features are fair game to change the compatible string and do > something different. If the user wants the new feature they update their > DTB. We shouldn't be constrained by backwards compatibility here.
And what do you suggest to do? Separate UART0 and UART1 nodes are still needed because as Mark wrote stdin-path and stdout-patch could be different.
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