netdev - Re: [PATCH 00/15] ARM: pxa: switch to DMA slave maps

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Date:   Tue, 3 Apr 2018 09:15:03 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Robert Jarzmik <robert.jarzmik@...e.fr>
Cc:     Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Tejun Heo <tj@...nel.org>, Vinod Koul <vinod.koul@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        Cyrille Pitchen <cyrille.pitchen@...ev4u.fr>,
        Nicolas Pitre <nico@...xnic.net>,
        Samuel Ortiz <samuel@...tiz.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        IDE-ML <linux-ide@...r.kernel.org>, dmaengine@...r.kernel.org,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        linux-mmc <linux-mmc@...r.kernel.org>,
        linux-mtd <linux-mtd@...ts.infradead.org>,
        Networking <netdev@...r.kernel.org>, devel@...verdev.osuosl.org,
        alsa-devel@...a-project.org
Subject: Re: [PATCH 00/15] ARM: pxa: switch to DMA slave maps

On Mon, Apr 2, 2018 at 4:26 PM, Robert Jarzmik <robert.jarzmik@...e.fr> wrote:
> Hi,
>
> This serie is aimed at removing the dmaengine slave compat use, and transfer
> knowledge of the DMA requestors into architecture code.
>
> This was discussed/advised by Arnd a couple of years back, it's almost time.
>
> The serie is divided in 3 phasees :
>  - phase 1 : patch 1/15 and patch 2/15
>    => this is the preparation work
>  - phase 2 : patches 3/15 .. 10/15
>    => this is the switch of all the drivers
>    => this one will require either an Ack of the maintainers or be taken by them
>       once phase 1 is merged
>  - phase 3 : patches 11/15
>    => this is the last part, cleanup and removal of export of the DMA filter
>       function
>
> As this looks like a patch bomb, each maintainer expressing for his tree either
> an Ack or "I want to take through my tree" will be spared in the next iterations
> of this serie.
>
> Several of these changes have been tested on actual hardware, including :
>  - pxamci
>  - pxa_camera
>  - smc*
>  - ASoC and SSP
>
> Happy review.

This looks really great overall, thanks for cleaning this up!

The SSP part is still a bit weird, as I commented, but I'm sure we can
figure something out there.

    Arnd