linux-kernel - Re: [PATCH v2 06/19] spi: dw: Discard static DW DMA slave structures

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Message-ID: <CAHp75Vd3RUYw45i+TZ+R1wJquYJvjR+P3-qWe=v+QBk46C_zRQ@mail.gmail.com>
Date:   Mon, 18 May 2020 16:22:03 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc:     Serge Semin <fancer.lancer@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Georgy Vlasov <Georgy.Vlasov@...kalelectronics.ru>,
        Ramil Zaripov <Ramil.Zaripov@...kalelectronics.ru>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Paul Burton <paulburton@...nel.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Allison Randal <allison@...utok.net>,
        Gareth Williams <gareth.williams.jx@...esas.com>,
        Arnd Bergmann <arnd@...db.de>,
        Rob Herring <robh+dt@...nel.org>, linux-mips@...r.kernel.org,
        devicetree <devicetree@...r.kernel.org>,
        Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@...el.com>,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "wuxu.wu" <wuxu.wu@...wei.com>, Clement Leger <cleger@...ray.eu>,
        linux-spi <linux-spi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 06/19] spi: dw: Discard static DW DMA slave structures

On Mon, May 18, 2020 at 3:32 PM Serge Semin
<Sergey.Semin@...kalelectronics.ru> wrote:
> On Mon, May 18, 2020 at 02:38:13PM +0300, Andy Shevchenko wrote:
> > On Mon, May 18, 2020 at 2:01 PM Andy Shevchenko
> > <andriy.shevchenko@...ux.intel.com> wrote:
> > > On Sat, May 16, 2020 at 05:20:30PM +0300, Serge Semin wrote:

...

> > > I'm not talking about stack, it's fine for me, what I'm talking about is *how*
> > > they are being initialized. Read my message again carefully, please.
> >
> > And to avoid additional churn around this, the purpose is to show what
> > Dreq number is in use actually for these transfers (that's why 0
> > assignment is explicitly there and no counterpart Dreq filled).
>
> Sorry, but nothing persuasive so far. We still can remove their static definition
> and explicitly assign zero or one to the src and dst request IDs on stack. I'll do
> this in v3, since I have to send one anyway.

Right, I'm completely fine with it, thanks!

-- 
With Best Regards,
Andy Shevchenko