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

[David Miller]

From: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>
Date: Mon, 10 Mar 2014 01:53:33 +0100

> On 03/10/2014 01:41 AM, David Miller wrote:
>> From: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>
>> 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. But I honestly doubt that.
> Compared to u-boot bootloader and kernel interaction, BIOS and ACPI
> are well-defined protocols.
> 
> I personally, would prefer everybody should update his broken
> bootloaders, but that will just not happen.

What you can do is have a test that _perhaps_ covers a "broader than
reality" list of broken bootloader cases.

Then you have something the bootloader can provide which indicates
that it has been fixed.
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