linux-kernel - Re: [PATCH v23 08/18] dt-binding: memory: pl353-smc: Enhance the description of the reg property

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Message-ID: <76a94eb1-170a-307d-e1ce-1080a7af6a0a@canonical.com>
Date:   Thu, 10 Jun 2021 23:12:12 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Rob Herring <robh@...nel.org>
Cc:     Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tudor Ambarus <Tudor.Ambarus@...rochip.com>,
        linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        Michal Simek <monstr@...str.eu>,
        Naga Sureshkumar Relli <nagasure@...inx.com>,
        Amit Kumar Mahapatra <akumarma@...inx.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        helmut.grohne@...enta.de, Srinivas Goud <sgoud@...inx.com>,
        Siva Durga Prasad Paladugu <sivadur@...inx.com>
Subject: Re: [PATCH v23 08/18] dt-binding: memory: pl353-smc: Enhance the
 description of the reg property

On 10/06/2021 18:01, Miquel Raynal wrote:
> Hi Rob, Krzysztof,
> 
> Rob Herring <robh@...nel.org> wrote on Thu, 10 Jun 2021 10:53:45 -0500:
> 
>> On Thu, Jun 10, 2021 at 10:20:30AM +0200, Miquel Raynal wrote:
>>> The SMC bus controller features several register sets. The one pointed
>>> by the reg property is for the SMC configuration (impacts the
>>> sub-controllers configuration), while the others are meant to be used to
>>> send regular cycles on the memory bus (eg. CMD, ADDR, DATA for a NAND
>>> device). Detail this a little bit for the sake of clarity.
>>>
>>> Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
>>> ---
>>>  .../devicetree/bindings/memory-controllers/pl353-smc.txt       | 3 ++-
>>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/Documentation/devicetree/bindings/memory-controllers/pl353-smc.txt b/Documentation/devicetree/bindings/memory-controllers/pl353-smc.txt
>>> index ecd46856f139..ba6a5426f62b 100644
>>> --- a/Documentation/devicetree/bindings/memory-controllers/pl353-smc.txt
>>> +++ b/Documentation/devicetree/bindings/memory-controllers/pl353-smc.txt
>>> @@ -5,7 +5,8 @@ of memory interfaces: NAND and memory mapped interfaces (such as SRAM or NOR).
>>>  
>>>  Required properties:
>>>  - compatible		: Should be "arm,pl353-smc-r2p1", "arm,primecell".
>>> -- reg			: Controller registers map and length.
>>> +- reg			: SMC controller and sub-controllers configuration
>>> +			  registers.  
>>
>> I think you could just drop this patch. Otherwise, this doesn't match 
>> what's now in the yaml file.
> 
> Fine.
> 
> Krzysztof, if it's still time you can just take patch 9 which Rob
> just acked and forget about this one. I think we'll be good. Otherwise
> that will be for the next MW ;)

I skipped this one but took dtschema (9/18) so it should be in
tomorrow's linux-next.

Best regards,
Krzysztof