From: Udo van den Heuvel <udovdh@xs4all.nl>
To: Robert Hancock <hancockrwd@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: patch: HPET force enable for CX700 / VIA Epia LT was: Re: hpet timers gone?
Date: Tue, 14 Sep 2010 07:15:08 +0200 [thread overview]
Message-ID: <4C8F04DC.5060303@xs4all.nl> (raw)
In-Reply-To: <AANLkTintq=gXvFC9BW_cv=MSqBWHCx7SD9o1CWHOYTsj@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 915 bytes --]
On 2010-09-14 01:16, Robert Hancock wrote:
> On Mon, Sep 13, 2010 at 8:52 AM, Udo van den Heuvel <udovdh@xs4all.nl> wrote:
>> So what else can I do to enable HPET?
>
> At this point, not much, unless you can track down the chipset
> information that would allow us to implement force enabling HPET on
> that chipset..
Signed-off-by: Udo van den Heuvel <udovdh@xs4all.nl>
--- a/arch/x86/kernel/quirks.c 2010-09-13 18:02:14.639710309 +0200
+++ b/arch/x86/kernel/quirks.c 2010-09-13 18:02:06.095280815 +0200
@@ -344,6 +344,8 @@
vt8237_force_enable_hpet);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237,
vt8237_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_CX700,
+ vt8237_force_enable_hpet);
static void ati_force_hpet_resume(void)
{
Patch does make hpet appear on VIA Epia LT (CX700M2 chipset) with
hpet=force on kernel commandline.
Udo
[-- Attachment #2: hpet-c700.patch --]
[-- Type: text/plain, Size: 435 bytes --]
--- a/arch/x86/kernel/quirks.c 2010-09-13 18:02:14.639710309 +0200
+++ b/arch/x86/kernel/quirks.c 2010-09-13 18:02:06.095280815 +0200
@@ -344,6 +344,8 @@
vt8237_force_enable_hpet);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237,
vt8237_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_CX700,
+ vt8237_force_enable_hpet);
static void ati_force_hpet_resume(void)
{
next prev parent reply other threads:[~2010-09-14 5:15 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-24 10:19 hpet timers gone? Udo van den Heuvel
2010-05-26 19:02 ` Randy Dunlap
2010-05-29 4:29 ` Udo van den Heuvel
2010-05-30 7:34 ` Udo van den Heuvel
2010-05-30 18:51 ` Robert Hancock
[not found] ` <4C0324B8.8070304@xs4all.nl>
[not found] ` <AANLkTikuaPxA9Xnzc1bCJ5YHRlPZ1AcBSrYJ5lqryaMY@mail.gmail.com>
2010-09-13 14:52 ` Udo van den Heuvel
2010-09-13 15:30 ` Udo van den Heuvel
2010-09-13 16:05 ` Udo van den Heuvel
2010-09-13 23:16 ` Robert Hancock
2010-09-14 5:15 ` Udo van den Heuvel [this message]
2010-09-15 14:37 ` [tip:x86/quirks] x86: HPET force enable for CX700 / VIA Epia LT tip-bot for Udo van den Heuvel
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