ASPM: Fix pcie devices with non-pcie children

[pandora-kernel.git] / drivers / pci / pcie / aspm.c

diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 4bdef24..b500840 100644 (file)
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -508,9 +508,6 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev)
        int pos;
        u32 reg32;
 
-       if (aspm_disabled)
-               return 0;
-
        /*
         * Some functions in a slot might not all be PCIe functions,
         * very strange. Disable ASPM for the whole slot
@@ -519,6 +516,16 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev)
                pos = pci_pcie_cap(child);
                if (!pos)
                        return -EINVAL;
+
+               /*
+                * If ASPM is disabled then we're not going to change
+                * the BIOS state. It's safe to continue even if it's a
+                * pre-1.1 device
+                */
+
+               if (aspm_disabled)
+                       continue;
+
                /*
                 * Disable ASPM for pre-1.1 PCIe device, we follow MS to use
                 * RBER bit to determine if a function is 1.1 version device