On Tue, 9 May 2023 at 20:05, Conor Dooley <conor@xxxxxxxxxx> wrote: > > On Tue, May 09, 2023 at 08:52:48PM +0800, Walker Chen wrote: > > Hi Conor/Emil, > > > > DT overlay is used to describe combinations of VF2 and hat. > > Do you have any comments on this patch ? > > Up to Emil :) > > I seem to recall that he said at the linux-riscv sync-up call that we > have* that he was not in favour of overlays for hats like this. > I'll let him confirm that though, I might very well be misinterpreting or > misremembering what he said. What probably meant was that I didn't want a bunch of different device trees for each combination board * hat. An overlay makes a lot more sense. However, looking through the kernel tree there is a surprising lack of overlays for hats committed already, so I suspect there is some sort of policy around overlays already in place. > Cheers, > Conor. > > * https://lore.kernel.org/linux-riscv/mhng-775d4068-6c1e-48a4-a1dc-b4a76ff26bb3@palmer-ri-x1c9a/