Messages in this thread | | | Date | Wed, 22 Mar 2006 13:46:33 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] PM-Timer: doesn't use workaround if chipset is not buggy |
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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/
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