On Mon, 9 Sept 2024 at 14:41, Philippe Mathieu-Daudé <phi...@linaro.org> wrote:
>
> Hi,
>
> On 3/9/24 18:06, Peter Maydell wrote:
> > This patchset removes the various Arm machines which we deprecated
> > for the 9.0 release and are therefore allowed to remove for the 9.2
> > release:
> >   akita, borzoi, cheetah, connex, mainstone, n800, n810,
> >   spitz, terrier, tosa, verdex, z2
>
> > The series includes removal of some code which while not strictly
> > specific to these machines was in practice used only by them:
> >   * the OneNAND flash memory device
> >   * the PCMCIA subsystem
> >   * the MUSB USB2.0 OTG USB controller chip (hcd-musb)
>
> > thanks
> > -- PMM
> >
> > Peter Maydell (53):
> >    hw/input: Drop ADS7846 device
> >    hw/adc: Remove MAX111X device
> >    hw/gpio: Remove MAX7310 device
> >    hw/input: Remove tsc2005 touchscreen controller
> >    hw/input: Remove tsc210x device
> >    hw/rtc: Remove twl92230 device
> >    hw/input: Remove lm832x device
> >    hw/usb: Remove tusb6010 USB controller
> >    hw/usb: Remove MUSB USB host controller
>
> Some of these devices are user-creatable and only rely on a bus
> (not a particular removed machine), so could potentially be used
> on other maintained machines which expose a similar bus.

Which ones in particular? Almost all of them are sysbus.
At least one of them that I looked at (lm832x) is an I2C
device but it also requires the board to wire up a GPIO line
and to call a specific C function to inject key events, so it's
not actually generally usable.

> We don't have in-tree (tests/) examples, but I wonder if it is OK
> to remove them without first explicitly deprecating them in
> docs/about/deprecated.rst. I wouldn't surprise users when 9.2 is
> release. Maybe this isn't an issue, but I prefer to mention it
> now to be sure.

I think this is unlikely to be a problem, but if you have
a specific device you think might be a problem we can
look at whether it seems likely (e.g. whether a web search
turns up users using it in odd ways).

thanks
-- PMM

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