From: Linus Walleij <linus.walleij@linaro.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: "Biju Das" <biju.das.jz@bp.renesas.com>,
"Drew Fustini" <dfustini@baylibre.com>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org,
devicetree@vger.kernel.org,
"Chris Paterson" <Chris.Paterson2@renesas.com>,
"Biju Das" <biju.das@bp.renesas.com>,
"Prabhakar Mahadev Lad" <prabhakar.mahadev-lad.rj@bp.renesas.com>
Subject: Re: [PATCH v5 0/9] Add RZ/G2L POEG support
Date: Tue, 10 Jan 2023 09:09:21 +0100 [thread overview]
Message-ID: <CACRpkdZC34xdgsxrMzNy++fBtf36M5ppg-FO0uKpy5q=UGS2Ng@mail.gmail.com> (raw)
In-Reply-To: <CAMuHMdUeazkEXWh+R9iy3TLc16b=OX9rOzAoB1=X=K4wOo9pRA@mail.gmail.com>
On Mon, Jan 9, 2023 at 2:41 PM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> On Mon, Jan 9, 2023 at 2:16 PM Linus Walleij <linus.walleij@linaro.org> wrote:
> > On Tue, Jan 3, 2023 at 10:01 AM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> > > > If this should go into sysfs we should probably create something
> > > > generic, such as a list of stuff to be exported as sysfs switches.
> > > >
> > > > It generally also looks really dangerous, which is another reason
> > > > for keeping it in debugfs. It's the big hammer to hurt yourself with,
> > > > more or less.
> > >
> > > Yes, generic would be nice. Anyone familiar with other hardware
> > > that could make use of this?
> >
> > Drew was using this for Beagle Bone IIRC, Drew?
>
> Yes, that's what I remember, too. And I tested it on Koelsch.
>
> But again, that's for debugging purposes. For non-debugging
> operation, we need something different.
Actually Drew's usecase wasn't for debugging. It was kind-of production,
but it was for "one-offs" such as factory lines and other very specific-purpose
embedded.
The placement in debugfs was mostly because it is fragile and dangerous.
Yours,
Linus Walleij
next prev parent reply other threads:[~2023-01-10 8:10 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-15 21:31 [PATCH v5 0/9] Add RZ/G2L POEG support Biju Das
2022-12-15 21:31 ` [PATCH v5 1/9] dt-bindings: pinctrl: renesas: Add RZ/G2L POEG binding Biju Das
2022-12-29 1:20 ` Linus Walleij
2022-12-15 21:31 ` [PATCH v5 2/9] drivers: pinctrl: renesas: Add RZ/G2L POEG driver support Biju Das
2022-12-15 21:32 ` [DO NOT APPLY PATCH v5 3/9] pwm: rzg2l-gpt: Add support for output disable request from gpt Biju Das
2022-12-15 21:32 ` [DO NOT APPLY PATCH v5 4/9] pinctrl: renesas: rzg2l-poeg: Add support for GPT Output-Disable Request Biju Das
2022-12-15 21:32 ` [DO NOT APPLY PATCH v5 5/9] pwm: rzg2l-gpt: Add support for output disable when both output low Biju Das
2022-12-15 21:32 ` [DO NOT APPLY PATCH v5 6/9] pinctrl: renesas: rzg2l-poeg: output-disable request from GPT when both outputs are low Biju Das
2022-12-15 21:32 ` [DO NOT APPLY PATCH v5 7/9] pwm: rzg2l-gpt: Add support for output disable on dead time error Biju Das
2022-12-15 21:32 ` [DO NOT APPLY PATCH v5 8/9] pinctrl: renesas: rzg2l-poeg: output-disable request from GPT " Biju Das
2022-12-15 21:32 ` [DO NOT APPLY PATCH v5 9/9] tools/poeg: Add test app for poeg Biju Das
2022-12-29 1:19 ` [PATCH v5 0/9] Add RZ/G2L POEG support Linus Walleij
2023-01-03 9:01 ` Geert Uytterhoeven
2023-01-03 9:03 ` Geert Uytterhoeven
2023-01-09 13:16 ` Linus Walleij
2023-01-09 13:41 ` Geert Uytterhoeven
2023-01-09 14:00 ` Andy Shevchenko
2023-01-09 14:03 ` Andy Shevchenko
2023-01-10 8:09 ` Linus Walleij [this message]
2023-01-10 9:33 ` Drew Fustini
2023-01-09 15:10 ` Biju Das
2023-01-10 8:15 ` Linus Walleij
2023-01-10 9:09 ` Biju Das
2023-03-03 7:52 ` Biju Das
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