linux-kernel - Re: [PATCH] net: phy: Add sysfs attribute to prevent PHY suspend

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Date:	Mon, 10 Mar 2014 14:25:31 +0000
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Cc:	David Miller <davem@...emloft.net>, rob@...dley.net,
	andrew@...n.ch, f.fainelli@...il.com, netdev@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: phy: Add sysfs attribute to prevent PHY suspend

On Mon, 10 Mar 2014 01:53:33 +0100
Sebastian Hesselbarth <sebastian.hesselbarth@...il.com> wrote:

> On 03/10/2014 01:41 AM, David Miller wrote:
> > From: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
> > Date: Mon, 10 Mar 2014 01:37:32 +0100
> >
> >> The mechanism is manual, no automatic way to determine it.
> >
> > We recognize BIOS and ACPI bugs and work around them, by looking at
> > version information and whatnot, so you really can't convince me that
> > something similar can't be done here perhaps in the platform code.
> 
> Hmm, if the is a way to determine the version of that particual u-boot
> I'd be happy to exploit that information.

If there isn't a way for a kernel to determine the U-boot version then
maybe that should get fixed instead. That also solves your problem
because if you can't find the uboot version you know its too old.

Alan
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