netdev - Re: [PATCH 00/14] ARM: move lpc32xx and dove to multiplatform

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Message-ID: <b43c3d60-b675-442c-c549-25530cfbffe3@gmail.com>
Date:   Thu, 15 Aug 2019 14:32:15 -0400
From:   Sylvain Lemieux <slemieux.tyco@...il.com>
To:     Arnd Bergmann <arnd@...db.de>,
        Russell King - ARM Linux admin <linux@...linux.org.uk>
Cc:     SoC Team <soc@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Guenter Roeck <linux@...ck-us.net>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Networking <netdev@...r.kernel.org>,
        linux-serial@...r.kernel.org, USB list <linux-usb@...r.kernel.org>,
        LINUXWATCHDOG <linux-watchdog@...r.kernel.org>
Subject: Re: [PATCH 00/14] ARM: move lpc32xx and dove to multiplatform

Hi Arnd,

On 8/15/19 9:11 AM, Arnd Bergmann wrote:
> On Thu, Aug 1, 2019 at 9:33 AM Arnd Bergmann <arnd@...db.de> wrote:
>>
>> On Thu, Aug 1, 2019 at 12:53 AM Russell King - ARM Linux admin
>> <linux@...linux.org.uk> wrote:
>>>
>>> On Wed, Jul 31, 2019 at 09:56:42PM +0200, Arnd Bergmann wrote:
>>>> For dove, the patches are basically what I had proposed back in
>>>> 2015 when all other ARMv6/ARMv7 machines became part of a single
>>>> kernel build. I don't know what the state is mach-dove support is,
>>>> compared to the DT based support in mach-mvebu for the same
>>>> hardware. If they are functionally the same, we could also just
>>>> remove mach-dove rather than applying my patches.
>>>
>>> Well, the good news is that I'm down to a small board support file
>>> for the Dove Cubox now - but the bad news is, that there's still a
>>> board support file necessary to support everything the Dove SoC has
>>> to offer.
>>>
>>> Even for a DT based Dove Cubox, I'm still using mach-dove, but it
>>> may be possible to drop most of mach-dove now.  Without spending a
>>> lot of time digging through it, it's impossible to really know.
>>
>> Ok, so we won't remove it then, but I'd like to merge my patches to
>> at least get away from the special case of requiring a separate kernel
>> image for it.
>>
>> Can you try if applying patches 12 and 14 from my series causes
>> problems for you? (it may be easier to apply the entire set
>> or pull from [1] to avoid rebase conflicts).
> 
> I applied patches 12 and 13 into the soc tree now. There are some
> other pending multiplatform conversions (iop32x, ep93xx, lpc32xx,
> omap1), but it looks like none of those will be complete for 5.4.

I think the patchset (v2) for the LPC32xx is ready for 5.4
([PATCH v2 00/13] v2: ARM: move lpc32xx to multiplatform)
 >
> I now expect that we can get most of the preparation into 5.4,
> and maybe move them all over together in 5.5 after some more
> testing. If someone finds a problem with the one of the
> preparation steps, that we can revert the individual patches
> more easily.
> 
>        Arnd
> 
Sylvain