From: Bjorn Helgaas <bhelg...@google.com>

The "pcie_ports=auto" parameter set pcie_ports_disabled and pcie_ports_auto
to their compiled-in defaults, so specifying the parameter is the same as
not using it at all.

Remove the "pcie_ports=auto" parameter and update the documentation.

Signed-off-by: Bjorn Helgaas <bhelg...@google.com>
---
 Documentation/admin-guide/kernel-parameters.txt |   15 +++++++--------
 drivers/pci/pcie/portdrv_pci.c                  |    3 ---
 2 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt 
b/Documentation/admin-guide/kernel-parameters.txt
index 761749562165..26565794a573 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3130,14 +3130,13 @@
                force   Enable ASPM even on devices that claim not to support 
it.
                        WARNING: Forcing ASPM on may cause system lockups.
 
-       pcie_ports=     [PCIE] PCIe ports handling:
-               auto    Ask the BIOS whether or not to use native PCIe services
-                       associated with PCIe ports (PME, hot-plug, AER).  Use
-                       them only if that is allowed by the BIOS.
-               native  Use native PCIe services associated with PCIe ports
-                       unconditionally.
-               compat  Treat PCIe ports as PCI-to-PCI bridges, disable the PCIe
-                       ports driver.
+       pcie_ports=     [PCIE] PCIe port services handling:
+               native  Use native PCIe services (PME, AER, DPC, PCIe hotplug)
+                       even if the platform doesn't give the OS permission to
+                       use them.  This may cause conflicts if the platform
+                       also tries to use these services.
+               compat  Disable native PCIe services (PME, AER, DPC, PCIe
+                       hotplug).
 
        pcie_port_pm=   [PCIE] PCIe port power management handling:
                off     Disable power management of all PCIe ports
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 1997d9f2743e..8b62192342ac 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -37,9 +37,6 @@ static int __init pcie_port_setup(char *str)
        } else if (!strncmp(str, "native", 6)) {
                pcie_ports_disabled = false;
                pcie_ports_auto = false;
-       } else if (!strncmp(str, "auto", 4)) {
-               pcie_ports_disabled = false;
-               pcie_ports_auto = true;
        }
 
        return 1;

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