From: Graeme Gregory <graeme.gregory@linaro.org>
To: Andrew Lunn <andrew@lunn.ch>
Cc: "Marcin Wojtas" <mw@semihalf.com>,
"Ard Biesheuvel" <ard.biesheuvel@linaro.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"<netdev@vger.kernel.org>" <netdev@vger.kernel.org>,
"David S. Miller" <davem@davemloft.net>,
"Russell King - ARM Linux" <linux@arm.linux.org.uk>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
"Florian Fainelli" <f.fainelli@gmail.com>,
"Antoine Ténart" <antoine.tenart@free-electrons.com>,
"Thomas Petazzoni" <thomas.petazzoni@free-electrons.com>,
"Gregory CLEMENT" <gregory.clement@free-electrons.com>,
"Ezequiel Garcia" <ezequiel.garcia@free-electrons.com>
Subject: Re: [net-next: PATCH 0/8] Armada 7k/8k PP2 ACPI support
Date: Mon, 8 Jan 2018 14:45:48 +0000 [thread overview]
Message-ID: <20180108144548.GA31502@xora-haswell> (raw)
In-Reply-To: <20180104162036.GL3401@lunn.ch>
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On Thu, Jan 04, 2018 at 05:20:36PM +0100, Andrew Lunn wrote:
> > > I already agreed with 'reg' being awkward in the later emails.
> > > Wouldn't _ADR be more appropriate to specify PHY address on MDIO bus?
> > >
> > Ah it is an actual address, then yes _ADR is probably more appropriate.
>
> Newbie ACPI question. What is the definition of an address?
>
> In this cause, we are talking about an address of a device on an MDIO
> bus. It takes a value between 0 and 31.
>
> How are IC2 device addresses represented in ACPI? MDIO devices and I2C
> devices are pretty similar. So it would make sense to use the same as
> what I2C uses.
>
Too big (and has table) to sensibly quote, but defined in ACPI spec
6.1.1 _ADR (Address)
Ive never though been quite sure if that is just an example list of
address types or its supposed to be canonical (in which case some ECRs
are needed to the spec).
Thanks
Graeme
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next prev parent reply other threads:[~2018-01-08 14:45 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-18 9:17 [net-next: PATCH 0/8] Armada 7k/8k PP2 ACPI support Marcin Wojtas
2017-12-18 9:17 ` [net-next: PATCH 1/8] device property: Introduce fwnode_get_mac_address() Marcin Wojtas
2017-12-18 9:17 ` [net-next: PATCH 2/8] device property: Introduce fwnode_get_phy_mode() Marcin Wojtas
2017-12-18 9:17 ` [net-next: PATCH 3/8] mdio_bus: Introduce fwnode MDIO helpers Marcin Wojtas
2017-12-18 9:18 ` [net-next: PATCH 4/8] net: mvmdio: add ACPI support Marcin Wojtas
2017-12-18 9:18 ` [net-next: PATCH 5/8] net: mvpp2: simplify maintaining enabled ports' list Marcin Wojtas
2017-12-18 9:18 ` [net-next: PATCH 6/8] net: mvpp2: use device_*/fwnode_* APIs instead of of_* Marcin Wojtas
2017-12-18 9:18 ` [net-next: PATCH 7/8] net: mvpp2: handle PHY with its fwnode Marcin Wojtas
2017-12-18 9:18 ` [net-next: PATCH 8/8] net: mvpp2: enable ACPI support in the driver Marcin Wojtas
2017-12-18 9:40 ` [net-next: PATCH 0/8] Armada 7k/8k PP2 ACPI support Ard Biesheuvel
2017-12-18 15:49 ` Marcin Wojtas
2018-01-03 11:00 ` Graeme Gregory
2018-01-03 11:12 ` Marcin Wojtas
2018-01-03 12:47 ` Andrew Lunn
2018-01-03 13:13 ` Marcin Wojtas
2018-01-03 13:33 ` Andrew Lunn
2018-01-03 13:36 ` Marcin Wojtas
2018-01-04 16:09 ` Graeme Gregory
2018-01-04 16:20 ` Andrew Lunn
2018-01-08 14:45 ` Graeme Gregory [this message]
2018-01-08 14:53 ` Andrew Lunn
2018-01-08 15:14 ` Graeme Gregory
2018-01-08 15:42 ` Andrew Lunn
2018-01-08 17:17 ` Marcin Wojtas
2018-01-09 10:19 ` Graeme Gregory
2018-01-09 10:22 ` Marcin Wojtas
2018-01-09 13:00 ` Andrew Lunn
2018-01-18 12:31 ` Lorenzo Pieralisi
2018-01-18 13:00 ` Andrew Lunn
2018-01-19 18:07 ` Marcin Wojtas
2018-01-19 18:53 ` Andrew Lunn
2018-01-20 19:52 ` Mika Westerberg
2018-01-21 1:08 ` Andrew Lunn
2018-01-21 10:27 ` Mika Westerberg
2018-01-21 16:13 ` Andrew Lunn
2018-01-21 17:13 ` Ard Biesheuvel
2018-01-21 18:55 ` Andrew Lunn
2017-12-18 14:09 ` Rafael J. Wysocki
2017-12-19 18:48 ` David Miller
2017-12-19 18:59 ` Marcin Wojtas
2017-12-19 20:46 ` Andrew Lunn
2017-12-19 23:13 ` Marcin Wojtas
2017-12-21 19:21 ` Antoine Tenart
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