powerpc/pseries: Fix PCIE link speed endian issue

We need to byteswap ibm,pcie-link-speed-stats.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c
index 5f93856cdf479a3950cd053288174e1a85db4cad..70670a2d9cf2ddd691a936dbe489d8e338ed4029 100644 (file)
--- a/arch/powerpc/platforms/pseries/pci.c
+++ b/arch/powerpc/platforms/pseries/pci.c
@@ -113,7 +113,7 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge)
 {
        struct device_node *dn, *pdn;
        struct pci_bus *bus;
-       const uint32_t *pcie_link_speed_stats;
+       const __be32 *pcie_link_speed_stats;
 
        bus = bridge->bus;
 
@@ -122,7 +122,7 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge)
                return 0;
 
        for (pdn = dn; pdn != NULL; pdn = of_get_next_parent(pdn)) {
-               pcie_link_speed_stats = (const uint32_t *) of_get_property(pdn,
+               pcie_link_speed_stats = of_get_property(pdn,
                        "ibm,pcie-link-speed-stats", NULL);
                if (pcie_link_speed_stats)
                        break;
@@ -135,7 +135,7 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge)
                return 0;
        }
 
-       switch (pcie_link_speed_stats[0]) {
+       switch (be32_to_cpup(pcie_link_speed_stats)) {
        case 0x01:
                bus->max_bus_speed = PCIE_SPEED_2_5GT;
                break;
@@ -147,7 +147,7 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge)
                break;
        }
 
-       switch (pcie_link_speed_stats[1]) {
+       switch (be32_to_cpup(pcie_link_speed_stats)) {
        case 0x01:
                bus->cur_bus_speed = PCIE_SPEED_2_5GT;
                break;