From: Karol Kozimor <sziwan-DETuoxkZsSqrDJvtcaxF/A@public.gmane.org>
To: Arjan van de Ven <arjan-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Cc: Len Brown <len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Andi Kleen <ak-l3A5Bk7waGM@public.gmane.org>,
"Li,
Shaohua" <shaohua.li-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
ACPI-DEV
<acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
lkml <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
greg-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org,
Pavel Machek <pavel-AlSwsSmVLrQ@public.gmane.org>
Subject: Re: [Proposal]Another way to save/restore PCI config space for suspend/resume
Date: Tue, 26 Oct 2004 11:06:29 +0200 [thread overview]
Message-ID: <20041026090629.GA17454@hell.org.pl> (raw)
In-Reply-To: <1098780150.2789.19.camel-PDvaWZGbcxh0dKo7RnIATNi2O/JbrIOy@public.gmane.org>
Thus wrote Arjan van de Ven:
> > What this comes down to is that extended config space is device-specific.
> > Generic solutions will fail. Only device drivers will work.
> >
> > If there are no drivers for PCI bridges to properly save/restore
> > their config space, then should create them, even if this is all the
> > drivers do.
> note that by default, if there is no driver, the first 64 bytes of
> config space are saved/restored.
That's not enough -- some devices with no drivers (think LPC bridges) might
need more (see http://bugme.osdl.org/show_bug.cgi?id=3609).
Best regards,
--
Karol 'sziwan' Kozimor
sziwan-DETuoxkZsSqrDJvtcaxF/A@public.gmane.org
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next prev parent reply other threads:[~2004-10-26 9:06 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-26 4:50 [Proposal]Another way to save/restore PCI config space for suspend/resume Li Shaohua
[not found] ` <1098766257.8433.7.camel-U5EdaLXB8smDugQYiPIPGdh3ngVCH38I@public.gmane.org>
2004-10-26 5:11 ` Andi Kleen
2004-10-26 6:11 ` [ACPI] " Len Brown
2004-10-26 8:42 ` Arjan van de Ven
[not found] ` <1098780150.2789.19.camel-PDvaWZGbcxh0dKo7RnIATNi2O/JbrIOy@public.gmane.org>
2004-10-26 9:06 ` Karol Kozimor [this message]
2004-10-26 9:57 ` Matthew Garrett
[not found] ` <20041026051100.GA5844-B4tOwbsTzaBolqkO4TVVkw@public.gmane.org>
2004-10-26 9:09 ` Li Shaohua
2004-10-26 9:21 ` Pavel Machek
[not found] ` <20041026092106.GC28897-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2004-10-27 0:50 ` Li Shaohua
2004-10-27 1:32 ` Hiroshi 2 Itoh
[not found] ` <OF7E38C2D0.FC23B846-ON49256F3A.000672D1-49256F3A.0007BB88-JE5g2YyFxFHQT0dZR+AlfA@public.gmane.org>
2004-10-27 1:55 ` Li Shaohua
2004-10-27 2:26 ` [ACPI] " Hiroshi 2 Itoh
2004-10-27 20:14 ` Rajesh Shah
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