On Wed, Feb 24, 2016 at 2:56 AM, Simon Horman <horms+renesas@xxxxxxxxxxxx> wrote: > Add fallback compatibility string for R-Car Gen 1 and Gen2. > > In the case of Renesas R-Car hardware we know that there are generations of > SoCs, e.g. Gen 1 and Gen 2. But beyond that its not clear what the > relationship between IP blocks might be. For example, I believe that > r8a7779 is older than r8a7778 but that doesn't imply that the latter is a > descendant of the former or vice versa. > > We can, however, by examining the documentation and behaviour of the > hardware at run-time observe that the current driver implementation appears > to be compatible with the IP blocks on SoCs within a given generation. > > For the above reasons and convenience when enabling new SoCs a > per-generation fallback compatibility string scheme being adopted for > drivers for Renesas SoCs. > > Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx> > Acked-by: Rob Herring <robh@xxxxxxxxxx> Acked-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> 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