From: "Pali Rohár" <pali@kernel.org>
To: Andrew Lunn <andrew@lunn.ch>
Cc: "Gregory Clement" <gregory.clement@bootlin.com>,
"Sebastian Hesselbarth" <sebastian.hesselbarth@gmail.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Marek Behún" <kabel@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ARM: dts: turris-omnia: Add ethernet aliases
Date: Tue, 9 Aug 2022 22:45:14 +0200 [thread overview]
Message-ID: <20220809204514.wu2om56mljsw4flz@pali> (raw)
In-Reply-To: <YvLDg7lbbaTF668e@lunn.ch>
On Tuesday 09 August 2022 22:28:51 Andrew Lunn wrote:
> On Wed, Jul 27, 2022 at 03:15:04PM +0200, Pali Rohár wrote:
> > On Wednesday 27 July 2022 15:09:26 Pali Rohár wrote:
> > > This allows bootloader to correctly pass MAC addresses used by bootloader
> > > to individual interfaces into kernel device tree.
> > >
> > > Signed-off-by: Pali Rohár <pali@kernel.org>
> > > ---
> >
> > Maybe this should have Fixes line?
> >
> > Fixes: 26ca8b52d6e1 ("ARM: dts: add support for Turris Omnia")
>
> Is it broken with older kernels? That is a big part of Fixes: to
> indicate it needs back porting. Is this a new u-boot feature?
>
> Andrew
This is old u-boot feature. I was investigating why u-boot is not able
to correctly modify loaded omnia dtb file when booting linux kernel and
I found out that it is because it cannot due to missing ethernet
aliases.
Also there is a new u-boot feature for omnia to correctly put
phy-reset-gpios property into eth 2 node based on board hw revision. So
this is another purpose for which we should have those aliases, to allow
kernel to correctly reset wan (eth 2) PHY.
I would suggest this change for backporting into stable.
WARNING: multiple messages have this Message-ID (diff)
From: "Pali Rohár" <pali@kernel.org>
To: Andrew Lunn <andrew@lunn.ch>
Cc: "Gregory Clement" <gregory.clement@bootlin.com>,
"Sebastian Hesselbarth" <sebastian.hesselbarth@gmail.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Marek Behún" <kabel@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ARM: dts: turris-omnia: Add ethernet aliases
Date: Tue, 9 Aug 2022 22:45:14 +0200 [thread overview]
Message-ID: <20220809204514.wu2om56mljsw4flz@pali> (raw)
In-Reply-To: <YvLDg7lbbaTF668e@lunn.ch>
On Tuesday 09 August 2022 22:28:51 Andrew Lunn wrote:
> On Wed, Jul 27, 2022 at 03:15:04PM +0200, Pali Rohár wrote:
> > On Wednesday 27 July 2022 15:09:26 Pali Rohár wrote:
> > > This allows bootloader to correctly pass MAC addresses used by bootloader
> > > to individual interfaces into kernel device tree.
> > >
> > > Signed-off-by: Pali Rohár <pali@kernel.org>
> > > ---
> >
> > Maybe this should have Fixes line?
> >
> > Fixes: 26ca8b52d6e1 ("ARM: dts: add support for Turris Omnia")
>
> Is it broken with older kernels? That is a big part of Fixes: to
> indicate it needs back porting. Is this a new u-boot feature?
>
> Andrew
This is old u-boot feature. I was investigating why u-boot is not able
to correctly modify loaded omnia dtb file when booting linux kernel and
I found out that it is because it cannot due to missing ethernet
aliases.
Also there is a new u-boot feature for omnia to correctly put
phy-reset-gpios property into eth 2 node based on board hw revision. So
this is another purpose for which we should have those aliases, to allow
kernel to correctly reset wan (eth 2) PHY.
I would suggest this change for backporting into stable.
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next prev parent reply other threads:[~2022-08-09 20:45 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-27 13:09 [PATCH] ARM: dts: turris-omnia: Add ethernet aliases Pali Rohár
2022-07-27 13:09 ` Pali Rohár
2022-07-27 13:15 ` Pali Rohár
2022-07-27 13:15 ` Pali Rohár
2022-08-09 20:28 ` Andrew Lunn
2022-08-09 20:28 ` Andrew Lunn
2022-08-09 20:45 ` Pali Rohár [this message]
2022-08-09 20:45 ` Pali Rohár
2022-09-24 12:13 ` Pali Rohár
2022-09-24 12:13 ` Pali Rohár
2022-10-09 11:46 ` Pali Rohár
2022-10-09 11:46 ` Pali Rohár
2022-11-01 22:39 ` Pali Rohár
2022-11-01 22:39 ` Pali Rohár
2022-11-27 23:57 ` Gregory CLEMENT
2022-11-27 23:57 ` Gregory CLEMENT
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