Hi Laurent, On Tue, Aug 7, 2018 at 10:21 AM Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote: > On Tuesday, 7 August 2018 11:18:11 EEST Kuninori Morimoto wrote: > > > Yeah, it is true "so far". I think there is no problem on current kernel. > > > But, unfortunately we need to keep compatibility for old/new DT > > > (= actually, I don't like this DT rule. It is 100% "shackles for the > > > legs") > > > Thus, my big concern is that, in the future, > > > "if" we added "renesas,ulcb" compatible driver/soc, > > > both h3/m3 ulcb will use it. > > > Then, if "h3" can work/boot by using same "m3" settings, it is no problem > > > for me (= "works but limited" is also OK, of course. > > > > > > This means "matched to more generic compatible") > > > > "renesas,ulcb" is very generic naming. > > Not only h3/m3, if we had v3/e3/d3 etc ulcb, > > Furthermore, "ulcb" is an unofficial term, the boards are named "starter kit" > (SK). Using internal names in code or device tree sources is a normal practice > and is fine with me, but I'm a bit bothered by the fact that the H3/M3 boards > are called ULCB in DT, while the V3 board are called SK. I wonder if we should > unify that or if it's too late. Perhaps we should. Renesas has a long history of boards named <foo>SK or RSK<foo>. The inconsistency started when suddenly SK was spelled out in full, with "Premier" or "Pro" added to differentiate, and the need arose for a shorter nickname, which became "ULCB".... > > and if we had such compatible driver/soc, it needs to match to all ulcb. > > In reality, maybe we don't create such compatible driver, though. > > But, I don't know, I can follow to maintainer opinion. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds