ACPICA: Fix incorrect handling of PCI Express Root Bridge _HID
I could not get correct PCI Express bus number from the structure of acpi_object_extra. I always get zero as bus number regardless of bus location. I found that there is incorrect comparison with _HID (PNP0A08) in acpi/events/evrgnini.c and PCI Express _BBN method always fail. Therefore, we always get zero as PCI Express bus number. http://bugzilla.kernel.org/show_bug.cgi?id=7145 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -225,13 +225,12 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
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if (!
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if (!
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(ACPI_STRNCMP
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(ACPI_STRNCMP
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(object_hID.value, PCI_ROOT_HID_STRING,
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(object_hID.value, PCI_ROOT_HID_STRING,
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sizeof(PCI_ROOT_HID_STRING))
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sizeof(PCI_ROOT_HID_STRING)))
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!(ACPI_STRNCMP
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!(ACPI_STRNCMP
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(object_hID.value,
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(object_hID.value,
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PCI_EXPRESS_ROOT_HID_STRING,
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PCI_EXPRESS_ROOT_HID_STRING,
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sizeof(PCI_EXPRESS_ROOT_HID_STRING)))))
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sizeof(PCI_EXPRESS_ROOT_HID_STRING)))) {
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{
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/* Install a handler for this PCI root bridge */
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/* Install a handler for this PCI root bridge */
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