netdev - Re: [PATCH net-next v2 00/12] Add EMAC3 support for sa8540p-ride

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Date:   Tue, 21 Mar 2023 19:44:02 -0700
From:   Bjorn Andersson <andersson@...nel.org>
To:     Andrew Halaney <ahalaney@...hat.com>
Cc:     Jakub Kicinski <kuba@...nel.org>, linux-kernel@...r.kernel.org,
        agross@...nel.org, konrad.dybcio@...aro.org, davem@...emloft.net,
        edumazet@...gle.com, pabeni@...hat.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, vkoul@...nel.org,
        bhupesh.sharma@...aro.org, mturquette@...libre.com,
        sboyd@...nel.org, peppe.cavallaro@...com,
        alexandre.torgue@...s.st.com, joabreu@...opsys.com,
        mcoquelin.stm32@...il.com, richardcochran@...il.com,
        linux@...linux.org.uk, veekhee@...le.com,
        tee.min.tan@...ux.intel.com, mohammad.athari.ismail@...el.com,
        jonathanh@...dia.com, ruppala@...dia.com, bmasney@...hat.com,
        andrey.konovalov@...aro.org, linux-arm-msm@...r.kernel.org,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, ncai@...cinc.com,
        jsuraj@....qualcomm.com, hisunil@...cinc.com, echanude@...hat.com
Subject: Re: [PATCH net-next v2 00/12] Add EMAC3 support for sa8540p-ride

On Tue, Mar 21, 2023 at 01:44:35PM -0500, Andrew Halaney wrote:
> On Mon, Mar 20, 2023 at 08:28:02PM -0700, Jakub Kicinski wrote:
> > On Mon, 20 Mar 2023 17:16:05 -0500 Andrew Halaney wrote:
> > > This is a forward port / upstream refactor of code delivered
> > > downstream by Qualcomm over at [0] to enable the DWMAC5 based
> > > implementation called EMAC3 on the sa8540p-ride dev board.
> > > 
> > > From what I can tell with the board schematic in hand,
> > > as well as the code delivered, the main changes needed are:
> > > 
> > >     1. A new address space layout for /dwmac5/EMAC3 MTL/DMA regs
> > >     2. A new programming sequence required for the EMAC3 base platforms
> > > 
> > > This series makes those adaptations as well as other housekeeping items
> > > such as converting dt-bindings to yaml, adding clock descriptions, etc.
> > > 
> > > [0] https://git.codelinaro.org/clo/la/kernel/ark-5.14/-/commit/510235ad02d7f0df478146fb00d7a4ba74821b17
> > > 
> > > v1: https://lore.kernel.org/netdev/20230313165620.128463-1-ahalaney@redhat.com/
> > 
> > At a glance 1-4,8-12 need to go via networking, 5 via clock tree,
> > and 6,7 via ARM/Qualcomm.
> > 
> > AFAICT there are no strong (compile) dependencies so we can each merge
> > our chunk and they will meet in Linus's tree? If so please repost just
> > the networking stuff for net-next, and the other bits to respective
> > trees, as separate series.
> > 
> 
> That makes sense to me, thanks for the advice.
> 
> The only note is that 5 (the clk patch) is depended on by 6/7 to
> compile (they use the header value in 5)... So I'll keep those together!
> 

Sounds good to me!

Regards,
Bjorn

> So all in all it will be the dt-binding changes + stmmac changes in one
> series for networking, and the clock + devicetree changes via
> ARM/Qualcomm if I am following properly.
> 
> I'll go that route for v3 and link here (just to make finding the split
> easier) unless someone objects (got some time as I need to refactor
> based on series feedback)!
> 
> Thanks,
> Andrew
>