Re: possible deprecation and removal of some old QEMU Arm machine types (pxa2xx, omap, sa1110)

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On 2/13/24 21:11, Arnd Bergmann wrote:
> On Tue, Feb 13, 2024, at 16:36, Guenter Roeck wrote:
>> On Tue, Feb 13, 2024 at 03:14:21PM +0000, Peter Maydell wrote:
>>> On Mon, 12 Feb 2024 at 14:36, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
>>>> On 2/12/24 04:32, Peter Maydell wrote:
>>>>> The machines I have in mind are:
>>>>> PXA2xx machines:
>>>>> akita                Sharp SL-C1000 (Akita) PDA (PXA270)
>>>>> borzoi               Sharp SL-C3100 (Borzoi) PDA (PXA270)
>>>>> connex               Gumstix Connex (PXA255)
>>>>> mainstone            Mainstone II (PXA27x)
>>>>> spitz                Sharp SL-C3000 (Spitz) PDA (PXA270)
>>>>> terrier              Sharp SL-C3200 (Terrier) PDA (PXA270)
>>>>> tosa                 Sharp SL-6000 (Tosa) PDA (PXA255)
>>>>> verdex               Gumstix Verdex Pro XL6P COMs (PXA270)
>>>>> z2                   Zipit Z2 (PXA27x)
>>>> I test akita, borzoi, spitz, and terrier. Upstream Linux removed support
>>>> for mainstone, tosa, and z2 from the Linux kernel as of version 6.0, so
> It was 6.3 (about one year ago).
>>>> I am no longer testing those.
>>>> I never managed to boot connex or verdex.
> I kept specifically the pxa boards that would be sensible to port
> to devicetree because they had qemu support. gumstix verdex is the
> one with the most RAM out of those; spitz, sharpsl and their
> variants are the ones that some of us still have around.
> Robert had working devicetree support for some machines out of tree
> that he has not submitted, and presumably not worked on since.
> Unless someone starts working on converting the remaining
> pxa board files to DT, we can probably remove them after the
> next LTS kernel a year from now.

I agree. Once the machines are removed, people who were actively using
them would be incentivized to work on a DT port. That's not very
complicated to do when you have the hardware to test, but almost
impossible if you don't.

Best regards,

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