linux-kernel - Re: [PATCH v2 4/8] RISC-V: Kconfig.socs: Add Renesas RZ/Five SoC kconfig option

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Date:   Mon, 15 Aug 2022 20:05:41 +0000
From:   <Conor.Dooley@...rochip.com>
To:     <prabhakar.csengg@...il.com>, <Conor.Dooley@...rochip.com>
CC:     <prabhakar.mahadev-lad.rj@...renesas.com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <paul.walmsley@...ive.com>,
        <palmer@...belt.com>, <aou@...s.berkeley.edu>,
        <geert+renesas@...der.be>, <anup@...infault.org>,
        <linux-renesas-soc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <biju.das.jz@...renesas.com>
Subject: Re: [PATCH v2 4/8] RISC-V: Kconfig.socs: Add Renesas RZ/Five SoC
 kconfig option

On 15/08/2022 20:57, Lad, Prabhakar wrote:
> Hi Conor,
> 
> Thank you for the review.
> 
> On Mon, Aug 15, 2022 at 8:10 PM <Conor.Dooley@...rochip.com> wrote:
>>
>> On 15/08/2022 16:14, Lad Prabhakar wrote:
>>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>>
>>> Introduce SOC_RENESAS_RZFIVE config option to enable Renesas RZ/Five
>>> (R9A07G043) SoC, along side also add ARCH_RENESAS config option as most
>>> of the Renesas drivers depend on this config option.
>>
>> Hey Lad,
>>
>> I think I said something similar on v1, but I said it again
>> to Samuel today so I may as well repost here too:
>> "I think this and patch 12/12 with the defconfig changes should be
> patch 8/8.

It was a direct copy paste, hence the quotes ;)
Your patch 8/8 lines up with the current symbols while Samuel's
doesn't.

> 
> 
>> deferred until post LPC (which still leaves plenty of time for
>> making the 6.1 merge window). We already have like 4 different
>> approaches between the existing SOC_FOO symbols & two more when
>> D1 stuff and the Renesas stuff is considered.
>>
>> Plan is to decide at LPC on one approach for what to do with
>> Kconfig.socs & to me it seems like a good idea to do what's being
>> done here - it's likely that further arm vendors will move and
>> keeping the common symbols makes a lot of sense to me..."
>>
> Sure not a problem. But delaying patch 4 and 8 will make RZ/Five SoC
> not buildable. Is that OK?

No no, I prob just did a bad job of explaining. I meant more
along the lines of "I don't think this is the right approach
but I will defer reviewing until after LPC, when we have picked
one approach to use for everyone". I'm sorry, poor choice of
words maybe. I didn't mean drop these patches so that it does
not build, keeping it buildable until then so that we can all
test/review is the way to go. Not your fault we've done 4 different
things so far!

Hopefully that makes a bit more sense?

> 
>> Also, for the sake of my OCD could you pick either riscv or
>> RISC-V and use it for the whole series? Pedantic I guess, but
>> /shrug
>>
> Sorry did you mean I add riscv/RISC-V in the subject?

You have some patches with RISC-V and some with riscv.
What I meant was use one of the two for the whole series.
Thanks,
Conor.

> 
> Cheers,
> Prabhakar
> 
> 
>> Thanks,
>> Conor.
>>
>>>
>>> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>>> ---
>>> v1->v2
>>> * No Change
>>> ---
>>>  arch/riscv/Kconfig.socs | 14 ++++++++++++++
>>>  1 file changed, 14 insertions(+)
>>>
>>> diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
>>> index 69774bb362d6..91b7f38b77a8 100644
>>> --- a/arch/riscv/Kconfig.socs
>>> +++ b/arch/riscv/Kconfig.socs
>>> @@ -80,4 +80,18 @@ config SOC_CANAAN_K210_DTB_SOURCE
>>>
>>>  endif # SOC_CANAAN
>>>
>>> +config ARCH_RENESAS
>>> +       bool
>>> +       select GPIOLIB
>>> +       select PINCTRL
>>> +       select SOC_BUS
>>> +
>>> +config SOC_RENESAS_RZFIVE
>>> +       bool "Renesas RZ/Five SoC"
>>> +       select ARCH_R9A07G043
>>> +       select ARCH_RENESAS
>>> +       select RESET_CONTROLLER
>>> +       help
>>> +         This enables support for Renesas RZ/Five SoC.
>>> +
>>>  endmenu # "SoC selection"
>>> --
>>> 2.25.1
>>>
>>
> 
> _______________________________________________
> linux-riscv mailing list
> linux-riscv@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv

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