From: Andrew Lunn <andrew@lunn.ch>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Chris Packham <Chris.Packham@alliedtelesis.co.nz>,
Andy Shevchenko <andy.shevchenko@gmail.com>,
Kent Gibson <warthog618@gmail.com>,
"brgl@bgdev.pl" <brgl@bgdev.pl>,
"johan@kernel.org" <johan@kernel.org>,
"maz@kernel.org" <maz@kernel.org>,
Ben Brown <Ben.Brown@alliedtelesis.co.nz>,
"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Sebastian Reichel <sre@kernel.org>
Subject: Re: [PATCH] gpiolib: Avoid side effects in gpio_is_visible()
Date: Mon, 29 May 2023 17:07:02 +0200 [thread overview]
Message-ID: <8f05a48c-37dc-457c-a9f8-8c7428ceba9b@lunn.ch> (raw)
In-Reply-To: <CACRpkdYGD5z4rrFsBGm8ihHEvWBep6sgqXPXSn2Q38jGod58GA@mail.gmail.com>
On Mon, May 29, 2023 at 11:19:02AM +0200, Linus Walleij wrote:
> On Wed, May 17, 2023 at 11:30 PM Chris Packham
> <Chris.Packham@alliedtelesis.co.nz> wrote:
>
> > > Why does the MCU have no in-kernel driver?
> >
> > There isn't any PoE PSE infrastructure in the kernel. I'm not really
> > sure what it'd look like either as the hardware designs are all highly
> > customized and often have very specialized requirements. Even the vendor
> > reference boards tend to use the i2c userspace interface and punt
> > everything to a specialist application.
> >
> > Of course if anyone is thinking about adding PoE PSE support in-kernel
> > I'd be very keen to be involved.
There is net/ethtool/pse-pd.c.
Andrew
next prev parent reply other threads:[~2023-05-29 15:07 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-12 4:28 [PATCH] gpiolib: Avoid side effects in gpio_is_visible() Chris Packham
2023-05-12 7:24 ` Johan Hovold
2023-05-14 21:57 ` Chris Packham
2023-05-15 6:43 ` andy.shevchenko
2023-05-15 21:01 ` Chris Packham
2023-05-12 7:56 ` Linus Walleij
2023-05-14 22:27 ` Chris Packham
2023-05-16 13:57 ` Linus Walleij
2023-05-16 22:19 ` Chris Packham
2023-05-16 22:47 ` Kent Gibson
2023-05-16 23:50 ` Chris Packham
2023-05-17 0:47 ` Kent Gibson
2023-05-17 1:05 ` Kent Gibson
2023-05-17 1:07 ` Chris Packham
2023-05-17 1:21 ` Kent Gibson
2023-05-17 8:54 ` Andy Shevchenko
2023-05-17 9:10 ` Kent Gibson
2023-05-17 21:30 ` Chris Packham
2023-05-23 16:38 ` andy.shevchenko
2023-05-23 21:17 ` Chris Packham
2023-05-24 5:41 ` Kent Gibson
2023-05-24 23:53 ` using libgpiod to replace sysfs ABI (was Re: [PATCH] gpiolib: Avoid side effects in gpio_is_visible()) Chris Packham
2023-05-25 1:19 ` Kent Gibson
2023-05-25 9:13 ` Andy Shevchenko
2023-05-25 14:35 ` Bartosz Golaszewski
2023-05-26 12:46 ` [PATCH] gpiolib: Avoid side effects in gpio_is_visible() Bartosz Golaszewski
2023-05-28 21:04 ` Chris Packham
2023-05-29 9:19 ` Linus Walleij
2023-05-29 15:07 ` Andrew Lunn [this message]
2023-05-29 9:07 ` Linus Walleij
2023-05-29 22:00 ` Chris Packham
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