From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Horman Subject: Re: [PATCH] dmaengine: usb-dmac: Document SoC specific bindings Date: Wed, 25 Nov 2015 09:21:25 +0900 Message-ID: <20151125002125.GG20596@verge.net.au> References: <1448331641-21758-1-git-send-email-horms+renesas@verge.net.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Yoshihiro Shimoda Cc: Vinod Koul , "dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Magnus Damm , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: devicetree@vger.kernel.org On Tue, Nov 24, 2015 at 05:49:05AM +0000, Yoshihiro Shimoda wrote: > Hi Simon-san, > > > From: Simon Horman [mailto:horms+renesas-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org] > > 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-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > > Cc: Yoshihiro Shimoda > > Signed-off-by: Simon Horman > > 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 Thanks! -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html