netdev - RE: [PATCH 2/2] Convert smsc911x to use ACPI as well as DT

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Message-ID: <F58048940DF89C44BFA5A966565B5D23EBA361B927@SPOCK.usa.Arm.com>
Date:	Wed, 23 Sep 2015 10:22:49 -0700
From:	Jeremy Linton <Jeremy.Linton@....com>
To:	Marc Zyngier <Marc.Zyngier@....com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
CC:	"steve.glendinning@...well.net" <steve.glendinning@...well.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"rafael.j.wysocki@...el.com" <rafael.j.wysocki@...el.com>,
	"suravee.suthikulpanit@....com" <suravee.suthikulpanit@....com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>
Subject: RE: [PATCH 2/2] Convert smsc911x to use ACPI as well as DT

Marc,

|FWIW, mainline booting with this patch on Juno r1 with ACPI enabled dies a
|horrible death:

Sorry about the delay, I didn't see this message.

<trimmed>

|How did you get this to work? Firmware release?

Yes, it's a firmware problem with the ACPI tables. It is likely you need _DSD changes for the SMSC. If your trying to run juno with ACPI there are a few other ACPI table changes you will need beyond what was in the last linaro release. I wanted to just provide a direct link to the correct firmware in this response, but it seems the required version is sort of up in the air at the moment. Be assured I will really push on this next week, and will provide a follow up here.

Originally, the lack of DSD wasn't a problem, but as this patch evolved  the fact that it consolidates a number of configuration code paths balancing that got tricky, and ACPI machines with "bad" tables were the victims (rather than breaking something I can't control).

In the meantime, if this is blocking anyone I can provide instructions on how to update the required ACPI tables.

Thanks,

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