Re: [PATCH] dmaengine: usb-dmac: Document SoC specific bindings

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On Tue, Nov 24, 2015 at 05:49:05AM +0000, Yoshihiro Shimoda wrote:
> Hi Simon-san,
> 
> > From: Simon Horman [mailto:horms+renesas@xxxxxxxxxxxx]
> > Sent: Tuesday, November 24, 2015 11:21 AM
> > 
> > In general Renesas hardware is not documented to the extent where the
> > relationship between IP blocks on different SoCs can be assumed although
> > they may appear to operate the same way. Furthermore the documentation
> > typically does not specify a version for individual IP blocks. For these
> > reasons a convention of using the SoC name in place of a version and
> > providing SoC-specific compat strings has been adopted.
> > 
> > Although not universally liked this convention is used in the bindings for
> > most drivers for Renesas hardware. The purpose of this patch is to
> > update the Renesas USB DMA Controller driver to follow this convention.
> > 
> > Cc: devicetree@xxxxxxxxxxxxxxx
> > Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> > Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
> 
> Thank you for the patch!
> 
> > ---
> > * r8a7792 (R-Car V2H) is omitted as my reading of the documentation
> >   is that Renesas USB-DMAC does not exist on that SoC
> 
> I agree with you.
> 
> > * r8a7795 (R-Car H2) is omitted as its unclear to me on the compatibility
> >   of USB-DMAC that SoC
> 
> I think this is R-Car H3, not H2.

Yes, H3. Sorry about that.

> Since R-Car H3's USB-DMAC is compatible with other SoCs,
> would you add the R-Car H3's compatible string, if possible?

Sure, will do.

> Anyway,
> Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>

Thanks!
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