diff options
Diffstat (limited to 'drivers/pci/quirks.c')
| -rw-r--r-- | drivers/pci/quirks.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index e9a333d98552..e887aa45c9cd 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -951,6 +951,12 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82375, quirk_e * accesses to the SMBus registers, with potentially bad effects. Thus you * should be very careful when adding new entries: if SMM is accessing the * Intel SMBus, this is a very good reason to leave it hidden. + * + * Likewise, many recent laptops use ACPI for thermal management. If the + * ACPI DSDT code accesses the SMBus, then Linux should not access it + * natively, and keeping the SMBus hidden is the right thing to do. If you + * are about to add an entry in the table below, please first disassemble + * the DSDT and double-check that there is no code accessing the SMBus. */ static int asus_hides_smbus; @@ -1028,11 +1034,6 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev) case 0x12bf: /* HP xw4100 */ asus_hides_smbus = 1; } - else if (dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB) - switch (dev->subsystem_device) { - case 0x099c: /* HP Compaq nx6110 */ - asus_hides_smbus = 1; - } } else if (unlikely(dev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG)) { if (dev->device == PCI_DEVICE_ID_INTEL_82855PM_HB) switch(dev->subsystem_device) { |