linux-kernel - Re: [PATCH] riscv: Kconfig: Add select ARM_AMBA to SOC

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Date:   Mon, 11 Dec 2023 14:36:11 +0100
From:   Nam Cao <namcao@...utronix.de>
To:     Conor Dooley <conor.dooley@...rochip.com>
Cc:     Jia Jie Ho <jiajie.ho@...rfivetech.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] riscv: Kconfig: Add select ARM_AMBA to SOC_STARFIVE

On Tue, 28 Nov 2023 10:59:44 +0000 Conor Dooley <conor.dooley@...rochip.com> wrote:
> On Tue, Nov 28, 2023 at 11:27:22AM +0100, Nam Cao wrote:
> > On Thu, May 25, 2023 at 02:18:36PM +0800, Jia Jie Ho wrote:  
> > > Selects ARM_AMBA platform support for StarFive SoCs required by spi and
> > > crypto dma engine.
> > > 
> > > Signed-off-by: Jia Jie Ho <jiajie.ho@...rfivetech.com>
> > > ---
> > >  arch/riscv/Kconfig.socs | 1 +
> > >  1 file changed, 1 insertion(+)
> > > 
> > > diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
> > > index 1cf69f958f10..381cd46e6373 100644
> > > --- a/arch/riscv/Kconfig.socs
> > > +++ b/arch/riscv/Kconfig.socs
> > > @@ -29,6 +29,7 @@ config SOC_STARFIVE
> > >  	bool "StarFive SoCs"
> > >  	select PINCTRL
> > >  	select RESET_CONTROLLER
> > > +	select ARM_AMBA
> > >  	help
> > >  	  This enables support for StarFive SoC platform hardware.  
> > 
> > I'm considering sending this to stable trees. Without this, it is not
> > possible to configure the kernel with SPI driver for the starfive board.
> > 
> > I just want to check with you first, in case I miss something obvious.
> > Any objection to backporting this patch?  
> 
> Personally I would be okay with that, otherwise the driver is dead code
> in those stable versions. Just be sure that the rename of some pl011
> variables (I think that's what it was) that was a pre-req for this being
> merged is in said versions of stable. An allmodconfig should flag
> whether that has happened pretty quickly.

Thanks for the info. I think I found what you are talking about:
a1a5f2c88725 ("dmaengine: pl330: rename _start to prevent build error")

It's been a while and no one else said anything, so I am going forward with
this.

Best regards,
Nam