Re: [PATCH v4 2/3] dt-bindings: mmc: renesas_sdhi: add R-Car Gen[123] fallback compatibility strings

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Oct 18, 2017 at 09:00:22AM +0200, Simon Horman wrote:
> Add fallback compatibility strings for R-Car Gen 1, 2 and 3.
> 
> In the case of Renesas R-Car hardware we know that there are generations of
> SoCs, f.e. Gen 1 and 2. But beyond that its not clear what the relationship
> between IP blocks might be. For example, I believe that r8a7790 is older
> than r8a7791 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 is being adopted for
> drivers for Renesas SoCs.
> 
> Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Acked-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

Attachment: signature.asc
Description: PGP signature


[Index of Archives]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux