x86/PCI: Make broadcom_postcore_init() check acpi_disabled
acpi_os_get_root_pointer() may return a valid address even if acpi_disabled is set, but the host bridge information from the ACPI tables is not going to be used in that case and the Broadcom host bridge initialization should not be skipped then, So make broadcom_postcore_init() check acpi_disabled too to avoid this issue. Fixes: 6361d72b (x86/PCI: read Broadcom CNB20LE host bridge info before PCI scan) Reported-by: Dave Hansen <dave.hansen@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Linux PCI <linux-pci@vger.kernel.org> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/3186627.pxZj1QbYNg@aspire.rjw.lan Signed-off-by: Ingo Molnar <mingo@kernel.org>
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