pseries: Fix endian issues in onlining cpu threads

The ibm,ppc-interrupt-server#s property is in big endian format.
These values need to be converted when used by little endian
architectures.

Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 55a1b2f681e0d5fddea2a73f1d82e64534f5c64d..096337853dda3c3ed00f6cfd9491c20c793d85b4 100644 (file)
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -364,7 +364,8 @@ static int dlpar_online_cpu(struct device_node *dn)
        int rc = 0;
        unsigned int cpu;
        int len, nthreads, i;
-       const u32 *intserv;
+       const __be32 *intserv;
+       u32 thread;
 
        intserv = of_get_property(dn, "ibm,ppc-interrupt-server#s", &len);
        if (!intserv)
@@ -374,8 +375,9 @@ static int dlpar_online_cpu(struct device_node *dn)
 
        cpu_maps_update_begin();
        for (i = 0; i < nthreads; i++) {
+               thread = be32_to_cpu(intserv[i]);
                for_each_present_cpu(cpu) {
-                       if (get_hard_smp_processor_id(cpu) != intserv[i])
+                       if (get_hard_smp_processor_id(cpu) != thread)
                                continue;
                        BUG_ON(get_cpu_current_state(cpu)
                                        != CPU_STATE_OFFLINE);
@@ -389,7 +391,7 @@ static int dlpar_online_cpu(struct device_node *dn)
                }
                if (cpu == num_possible_cpus())
                        printk(KERN_WARNING "Could not find cpu to online "
-                              "with physical id 0x%x\n", intserv[i]);
+                              "with physical id 0x%x\n", thread);
        }
        cpu_maps_update_done();