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

From: Sylvain Lemieux <slemieux.tyco@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>,
	Russell King - ARM Linux admin <linux@armlinux.org.uk>
Cc: SoC Team <soc@kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Vladimir Zapolskiy <vz@mleia.com>,
	Gregory Clement <gregory.clement@bootlin.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Alan Stern <stern@rowland.harvard.edu>,
	Guenter Roeck <linux@roeck-us.net>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	Networking <netdev@vger.kernel.org>,
	linux-serial@vger.kernel.org,
	USB list <linux-usb@vger.kernel.org>,
	LINUXWATCHDOG <linux-watchdog@vger.kernel.org>
Subject: Re: [PATCH 00/14] ARM: move lpc32xx and dove to multiplatform
Date: Thu, 15 Aug 2019 14:32:15 -0400	[thread overview]
Message-ID: <b43c3d60-b675-442c-c549-25530cfbffe3@gmail.com> (raw)
In-Reply-To: <CAK8P3a0=GrjM_HOBgqy5V3pOsA6w1EDOtEQO9dZG2Cw+-2niaw@mail.gmail.com>

Hi Arnd,

On 8/15/19 9:11 AM, Arnd Bergmann wrote:
> On Thu, Aug 1, 2019 at 9:33 AM Arnd Bergmann <arnd@arndb.de> wrote:
>>
>> On Thu, Aug 1, 2019 at 12:53 AM Russell King - ARM Linux admin
>> <linux@armlinux.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