lkml.org 
[lkml]   [2006]   [Mar]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] PM-Timer: doesn't use workaround if chipset is not buggy
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> wrote:
>
>
> ...
>
> This patch adds blacklist of buggy chip, and if chip is not buggy,
> this uses fast normal version instead of slow workaround version.
>
> If chip is buggy, warnings "pmtmr is slow". But sounds like there is
> gray zone. I found the PIIX4 errata, but I couldn't find the ICH4
> errata. But some motherboard seems to have problem.
>
> So, if found a ICH4, also warnings, and uses a workaround version. If
> user's ICH4 is good actually, user can specify the "pmtmr_good" boot
> parameter to use fast version.
>
> ...
>
> +static int __init pmtmr_bug_check(void)
> +{
> + static struct pci_device_id gray_list[] __initdata = {
> + /* these chipsets may have bug. */
> + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0) },
> + { },
> + };
>
> ...
>
> + dev = pci_get_device(PCI_VENDOR_ID_INTEL,
> + PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
>
> ...
>
> +device_initcall(pmtmr_bug_check);

Can this code use the PCI quirk infrastructure?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-03-22 22:53    [from the cache]
©2003-2011 Jasper Spaans