From: Alan Cox <alan-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
To: "Yu, Luming" <luming.yu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Arjan van de Ven <arjanv-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>,
"Brown, Len" <len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"Li,
Shaohua" <shaohua.li-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"Pallipadi,
Venkatesh"
<venkatesh.pallipadi-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
"Fu,
Michael" <michael.fu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: RE: the patch of restore-pci-config-space-on-resume break S1 on ASUS2400 NE
Date: Mon, 27 Dec 2004 13:44:52 +0000 [thread overview]
Message-ID: <1104155089.20693.1.camel@localhost.localdomain> (raw)
In-Reply-To: <3ACA40606221794F80A5670F0AF15F8406A26924@pdsmsx403>
On Llu, 2004-12-27 at 10:14, Yu, Luming wrote:
> Actually, the kernel (after removing restore-pci-config-space-on-resume patch) with option "ide=nodma"
> can work with S1 suspend/resume without any hang so far.
> So my suggestion for IDE driver is to disable DMA before entering S1, and enable
> DMA after resuming from S1 if DMA was enabled. I need help from IDE guys to confirm it.
The IDE layer has no problem doing this, although it raises interesting
questions about why it would be neccessary.
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next prev parent reply other threads:[~2004-12-27 13:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-27 10:14 the patch of restore-pci-config-space-on-resume break S1 on ASUS2400 NE Yu, Luming
2004-12-27 13:44 ` Alan Cox [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-12-23 12:04 Yu, Luming
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