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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
	Gerhard Pircher <gerhard_pircher@gmx.net>,
	Arnd Bergmann <arnd@arndb.de>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-m68k <linux-m68k@lists.linux-m68k.org>,
	Sparc kernel list <sparclinux@vger.kernel.org>,
	Linux-sh list <linux-sh@vger.kernel.org>
Subject: Re: Old platforms: bring out your dead
Date: Wed, 13 Jan 2021 09:15:56 +0100	[thread overview]
Message-ID: <CAMuHMdU3s9hvenrRFibggT=hGDfauhh2hPcN7f3E0uG-iVG7iw@mail.gmail.com> (raw)
In-Reply-To: <CACRpkda4E2NwNw29J7x5gehtqn_m3M_Z2dHpc7xRgvb0b-p22A@mail.gmail.com>

Hi Linus,

On Wed, Jan 13, 2021 at 4:20 AM Linus Walleij <linus.walleij@linaro.org> wrote:
> On Tue, Jan 12, 2021 at 3:45 PM John Paul Adrian Glaubitz
> <glaubitz@physik.fu-berlin.de> wrote:
> That said there are a three things that people should really be doing if they
> want to keep their pet archs/subarchs around as good community
> members, and they are in essence to:

> 2. Migrate existing drivers to newly appeared and
>     appropriate subsystems (I think there are some hacky heartbeat LED
>     drivers down in arch/* for example) there is also the feature matrix
>     core maintainers like and which appears if you type
>     Documentation/features/list-arch.sh <archname>
>     would be nice if you work on them if you can support them!
>     Or at least take a look.

The choir is listening ;-)

For Amiga, that would require writing a real GPIO driver (modifying
gpio-mmio?) for the CIAs, and converting its users (amiflop, amijoy,
amimouse, parport_amiga, amiserial, and dmasound_paula) from direct CIA
register access to GPIO access (mctrl_gpio for amiserial)).
Note that the heartbeat LED is shared by heartbeat and audio.

An interim solution might be to just write a simple gpio driver for the
single CIA pin driving the heartbeat LED, allowing the user to set up
ledtrig-heartbeat.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

  parent reply	other threads:[~2021-01-13  8:17 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAK8P3a2VW8T+yYUG1pn1yR-5eU4jJXe1+M_ot6DAvfr2KyXCzQ@mail.gmail.com>
2021-01-10 17:35 ` Old platforms: bring out your dead John Paul Adrian Glaubitz
2021-01-10 21:46   ` Sam Ravnborg
2021-01-11  8:05     ` John Paul Adrian Glaubitz
2021-01-11 14:55       ` chase rayfield
2021-01-12  0:26         ` Rob Landley
2021-01-12  0:50           ` chase rayfield
2021-01-12 14:37         ` John Paul Adrian Glaubitz
2021-01-11 18:09     ` Rob Landley
2021-01-11 15:04   ` Gerhard Pircher
2021-01-12 14:44     ` John Paul Adrian Glaubitz
2021-01-12 22:46       ` Linus Walleij
2021-01-13  8:09         ` Rob Landley
2021-01-13  8:21           ` Geert Uytterhoeven
2021-01-13 13:25             ` Rob Landley
2021-01-13 12:02           ` Andy Shevchenko
2021-01-13  8:15         ` Geert Uytterhoeven [this message]
2021-01-13 10:39         ` Arnd Bergmann
2021-01-14  3:54           ` New platforms: bring out your dead, was " Finn Thain
2021-01-14  9:41         ` John Paul Adrian Glaubitz
2021-01-14  9:48           ` Geert Uytterhoeven
2021-01-14 21:21           ` Arnd Bergmann
2021-01-14 22:54             ` Undesirable code, was Re: Old platforms etc Finn Thain
2021-01-14 23:09             ` Old platforms: bring out your dead Max Filippov
2021-01-15  8:31               ` Arnd Bergmann
2021-01-13  0:12       ` Old platforms never die, was " Finn Thain
2021-01-16  6:54         ` Rob Landley
2021-01-16 23:22           ` Finn Thain
2021-01-13 11:47       ` Andy Shevchenko
     [not found] <CAFr9PX=BV1YFcO_GQWsW3XEo8nndjUwArzW5Fg1fnWzt8fiwGw@mail.gmail.com>
2021-01-11  9:15 ` John Paul Adrian Glaubitz
2021-01-11  9:20   ` Geert Uytterhoeven
2021-01-11  9:26     ` John Paul Adrian Glaubitz
2021-01-11  9:36       ` Geert Uytterhoeven
2021-01-11  9:50         ` Greg Ungerer
2021-01-11  9:42   ` Daniel Palmer

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