Fwd: patch: HPET force enable for CX700 / VIA Epia LT was: Re: hpettimers gone?

From: Udo van den Heuvel
Date: Wed Sep 15 2010 - 09:20:49 EST


Hello,

Who can help me get this minor patch into the kernel?

Kind regards,
Udo

-------- Original Message --------
Subject: patch: HPET force enable for CX700 / VIA Epia LT was: Re: hpet
timers gone?
Date: Tue, 14 Sep 2010 07:15:08 +0200
From: Udo van den Heuvel <udovdh@xxxxxxxxx>
To: Robert Hancock <hancockrwd@xxxxxxxxx>
CC: linux-kernel@xxxxxxxxxxxxxxx

On 2010-09-14 01:16, Robert Hancock wrote:
> On Mon, Sep 13, 2010 at 8:52 AM, Udo van den Heuvel <udovdh@xxxxxxxxx> 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@xxxxxxxxx>

--- 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

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