PCI: mvebu: Disable prefetchable memory support in PCI-to-PCI bridge

[linux-imx.git] / drivers / pci / host / pci-mvebu.c

diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
index 13a633b1612e1786b9cdcb7f2eebece8b0a70dde..7bf3926aecc0d765af64f166cbeb871ea66ac127 100644 (file)
--- a/drivers/pci/host/pci-mvebu.c
+++ b/drivers/pci/host/pci-mvebu.c
@@ -86,10 +86,6 @@ struct mvebu_sw_pci_bridge {
        u16 secondary_status;
        u16 membase;
        u16 memlimit;
-       u16 prefmembase;
-       u16 prefmemlimit;
-       u32 prefbaseupper;
-       u32 preflimitupper;
        u16 iobaseupper;
        u16 iolimitupper;
        u8 cappointer;
@@ -419,15 +415,7 @@ static int mvebu_sw_pci_bridge_read(struct mvebu_pcie_port *port,
                break;
 
        case PCI_PREF_MEMORY_BASE:
-               *value = (bridge->prefmemlimit << 16 | bridge->prefmembase);
-               break;
-
-       case PCI_PREF_BASE_UPPER32:
-               *value = bridge->prefbaseupper;
-               break;
-
-       case PCI_PREF_LIMIT_UPPER32:
-               *value = bridge->preflimitupper;
+               *value = 0;
                break;
 
        case PCI_IO_BASE_UPPER16:
@@ -501,19 +489,6 @@ static int mvebu_sw_pci_bridge_write(struct mvebu_pcie_port *port,
                mvebu_pcie_handle_membase_change(port);
                break;
 
-       case PCI_PREF_MEMORY_BASE:
-               bridge->prefmembase = value & 0xffff;
-               bridge->prefmemlimit = value >> 16;
-               break;
-
-       case PCI_PREF_BASE_UPPER32:
-               bridge->prefbaseupper = value;
-               break;
-
-       case PCI_PREF_LIMIT_UPPER32:
-               bridge->preflimitupper = value;
-               break;
-
        case PCI_IO_BASE_UPPER16:
                bridge->iobaseupper = value & 0xffff;
                bridge->iolimitupper = value >> 16;