linux-kernel - Re: [linux-pm] "i8042: Can't reactivate AUX port" after s2ram on 3.4-rc2

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Date:	Sun, 15 Apr 2012 09:12:47 +0100
From:	James Courtier-Dutton <james.dutton@...il.com>
To:	Mikko Vinni <mmvinni@...oo.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Allen Kay <allen.m.kay@...el.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: [linux-pm] "i8042: Can't reactivate AUX port" after s2ram on 3.4-rc2

On 13 April 2012 21:47, Mikko Vinni <mmvinni@...oo.com> wrote:
>       1 firewire_ohci 0000:0a:00.0: Refused to change power state, currently in D3
>      10 firewire_ohci 0000:0a:00.0: restoring config space at offset 0xf (was 0xffffffff, writing 0x10a)
>      10 firewire_ohci 0000:0a:00.0: restoring config space at offset 0xe (was 0xffffffff, writing 0x0)
<snip>
>       1 sdhci-pci 0000:0a:00.1: Refused to change power state, currently in D3
>      10 sdhci-pci 0000:0a:00.1: restoring config space at offset 0xf (was 0xffffffff, writing 0x10a)
>      10 sdhci-pci 0000:0a:00.1: restoring config space at offset 0xe (was 0xffffffff, writing 0x0)
<snip>

Could the problem be more due to "Refused to change power state,
currently in D3".
the "was 0xffffffff" would be returned if their was no power to the device.
Don't you need power, before you can write to the config space?
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