linux-kernel - Re: [PATCH v11 2/3] spi: Add Renesas R-Car Gen3 RPC-IF SPI controller driver

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Date:   Tue, 23 Apr 2019 19:09:22 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     masonccyang@...c.com.tw
Cc:     bbrezillon@...nel.org, broonie@...nel.org,
        devicetree@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Simon Horman <horms@...ge.net.au>, juliensu@...c.com.tw,
        lee.jones@...aro.org, linux-kernel@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, linux-spi@...r.kernel.org,
        marek.vasut@...il.com, mark.rutland@....com, robh+dt@...nel.org,
        zhengxunli@...c.com.tw
Subject: Re: [PATCH v11 2/3] spi: Add Renesas R-Car Gen3 RPC-IF SPI controller
 driver

On 04/23/2019 12:22 PM, masonccyang@...c.com.tw wrote:

>> > Add a driver for Renesas R-Car Gen3 RPC-IF SPI controller.
>> >
>> > Signed-off-by: Mason Yang <masonccyang@...c.com.tw>
>> > Signed-off-by: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
>> [...]
>>
>>   Do dote that I'm opposed to the driver separation as it's presented in
>> this patches, and I have a large patch reworking both MFD and SPI drivers
>> in the works.
>>
> 
> Do you mean add your name in both MFD & dt-binding ?

   Of course not!

> i.e.,
> [PATCH v12 3/3] dt-bindings: mfd: Document Renesas R-Car Gen3 RPC-IF MFD bindings
> 
> Document the bindings used by the Renesas R-Car Gen3 RPC-IF MFD.
> 
> Signed-off-by: Mason Yang <masonccyang@...c.com.tw>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
> 
> 
> 
> [PATCH v12 1/3] mfd: Add Renesas R-Car Gen3 RPC-IF MFD driver
> 
> Add a driver for Renesas R-Car Gen3 RPC-IF MFD.
> 
> Signed-off-by: Mason Yang <masonccyang@...c.com.tw>
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
> 
> 
> Is it ok ?

   I'm not OK with the most of the driver code ending up in the SPI driver,
I think most of the code should be kept in the MFD driver and just be called
by SPI/HF drivers.

> best regards,
> Mason

MBR, Sergei