netdev - Re: [PATCH 04/12] soc: renesas: select RISCV_DMA_NONCOHERENT from ARCH

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Message-ID: <CAMuHMdVavDc4g3ALqxFRn45ySCJ16F-Ay72=P3fxXipk0uXFiQ@mail.gmail.com>
Date: Tue, 17 Oct 2023 15:12:21 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Christoph Hellwig <hch@....de>
Cc: Conor Dooley <conor.dooley@...rochip.com>, Greg Ungerer <gerg@...ux-m68k.org>, 
	iommu@...ts.linux.dev, Paul Walmsley <paul.walmsley@...ive.com>, 
	Palmer Dabbelt <palmer@...belt.com>, Conor Dooley <conor@...nel.org>, 
	Magnus Damm <magnus.damm@...il.com>, Robin Murphy <robin.murphy@....com>, 
	Marek Szyprowski <m.szyprowski@...sung.com>, Wei Fang <wei.fang@....com>, 
	Shenwei Wang <shenwei.wang@....com>, Clark Wang <xiaoning.wang@....com>, 
	NXP Linux Team <linux-imx@....com>, linux-m68k@...ts.linux-m68k.org, netdev@...r.kernel.org, 
	linux-riscv@...ts.infradead.org, linux-renesas-soc@...r.kernel.org, 
	Jim Quinlan <james.quinlan@...adcom.com>, arm-soc <soc@...nel.org>
Subject: Re: [PATCH 04/12] soc: renesas: select RISCV_DMA_NONCOHERENT from ARCH_R9A07G043

Hi Christoph,

On Tue, Oct 17, 2023 at 2:46 PM Christoph Hellwig <hch@....de> wrote:
> On Tue, Oct 17, 2023 at 12:44:41PM +0200, Geert Uytterhoeven wrote:
> > On Mon, Oct 16, 2023 at 3:17 PM Christoph Hellwig <hch@....de> wrote:
> > > On Mon, Oct 16, 2023 at 01:52:57PM +0100, Conor Dooley wrote:
> > > > > +   select RISCV_DMA_NONCOHERENT
> > > > >     select ERRATA_ANDES if RISCV_SBI
> > > > >     select ERRATA_ANDES_CMO if ERRATA_ANDES
> > > >
> > > > Since this Kconfig menu has changed a bit in linux-next, the selects
> > > > are unconditional here, and ERRATA_ANDES_CMO will in turn select
> > > > RISCV_DMA_NONCOHERENT.
> > >
> > > Oh, looks like another patch landed there in linux-next.  I had
> > > waited for the previous one go go upstream in -rc6.  Not sure
> > > how to best handle this conflict.
> >
> > I think the easiest is to ask soc to apply this series?
>
> I don't think pulling all the DMA bits into a random other tree
> would be a good idea.   I can hand off the first few bits, but I'd
> need a stable branch to pull in after that.  Which of the half a dozen
> soc trees we have in linux-next is this anyway?

The one and only https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git/

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds