linux-kernel - Re: [PATCH v4 1/9] dt-bindings: mtd: ingenic: Add compatible strings for JZ4740 and JZ4725B

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Message-ID: <20190304195149.7cca9c64@xps13>
Date:   Mon, 4 Mar 2019 19:51:49 +0100
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Boris Brezillon <bbrezillon@...nel.org>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Harvey Hunt <harveyhuntnexus@...il.com>,
        linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/9] dt-bindings: mtd: ingenic: Add compatible
 strings for JZ4740 and JZ4725B

Hi Paul,

> >>  --- a/Documentation/devicetree/bindings/mtd/ingenic,jz4780-nand.txt
> >>  +++ b/Documentation/devicetree/bindings/mtd/ingenic,jz4780-nand.txt
> >>  @@ -6,7 +6,10 @@ memory-controllers/ingenic,jz4780-nemc.txt), and >> thus NAND device nodes must
> >>   be children of the NEMC node.  
> >> >>   Required NAND controller device properties:  
> >>  -- compatible: Should be set to "ingenic,jz4780-nand".
> >>  +- compatible: Should be one of:
> >>  +  * ingenic,jz4740-nand
> >>  +  * ingenic,jz4725b-nand
> >>  +  * ingenic,jz4780-nand  
> > 
> > Wouldn't "-nand-controller" suffix be better? Of course in the driver
> > you should still check for jz4780-nand.  
> 
> So I would be compatible with:
> * ingenic,jz4740-nand-controller
> * ingenic,jz4725b-nand-controller
> * ingenic,jz4780-nand
> ?

>From a driver POV I would even prefer ingenic,jz4780-nand-controller. I
don't know what's best here. Maybe Boris or Rob can help?


Thanks,
Miquèl