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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

  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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