[PATCH] pseries: Make CPU hotplug path endian safe

[bharata . rao]

From: Bharata B Rao <bhar...@linux.vnet.ibm.com>

- ibm,rtas-configure-connector should treat the RTAS data as big endian.
- Treat ibm,ppc-interrupt-server#s as big-endian when setting
  smp_processor_id during hotplug.

Signed-off-by: Bharata B Rao <bhar...@linux.vnet.ibm.com>
---
 arch/powerpc/platforms/pseries/dlpar.c       | 10 +++++-----
 arch/powerpc/platforms/pseries/hotplug-cpu.c |  4 ++--
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/dlpar.c 
b/arch/powerpc/platforms/pseries/dlpar.c
index 2d0b4d6..dc55f9c 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -48,11 +48,11 @@ static struct property *dlpar_parse_cc_property(struct 
cc_workarea *ccwa)
        if (!prop)
                return NULL;
 
-       name = (char *)ccwa + ccwa->name_offset;
+       name = (char *)ccwa + be32_to_cpu(ccwa->name_offset);
        prop->name = kstrdup(name, GFP_KERNEL);
 
-       prop->length = ccwa->prop_length;
-       value = (char *)ccwa + ccwa->prop_offset;
+       prop->length = be32_to_cpu(ccwa->prop_length);
+       value = (char *)ccwa + be32_to_cpu(ccwa->prop_offset);
        prop->value = kmemdup(value, prop->length, GFP_KERNEL);
        if (!prop->value) {
                dlpar_free_cc_property(prop);
@@ -78,7 +78,7 @@ static struct device_node *dlpar_parse_cc_node(struct 
cc_workarea *ccwa,
        if (!dn)
                return NULL;
 
-       name = (char *)ccwa + ccwa->name_offset;
+       name = (char *)ccwa + be32_to_cpu(ccwa->name_offset);
        dn->full_name = kasprintf(GFP_KERNEL, "%s/%s", path, name);
        if (!dn->full_name) {
                kfree(dn);
@@ -148,7 +148,7 @@ struct device_node *dlpar_configure_connector(u32 drc_index,
                return NULL;
 
        ccwa = (struct cc_workarea *)&data_buf[0];
-       ccwa->drc_index = drc_index;
+       ccwa->drc_index = cpu_to_be32(drc_index);
        ccwa->zero = 0;
 
        do {
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c 
b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 20d6297..447f8c6 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -247,7 +247,7 @@ static int pseries_add_processor(struct device_node *np)
        unsigned int cpu;
        cpumask_var_t candidate_mask, tmp;
        int err = -ENOSPC, len, nthreads, i;
-       const u32 *intserv;
+       const __be32 *intserv;
 
        intserv = of_get_property(np, "ibm,ppc-interrupt-server#s", &len);
        if (!intserv)
@@ -293,7 +293,7 @@ static int pseries_add_processor(struct device_node *np)
        for_each_cpu(cpu, tmp) {
                BUG_ON(cpu_present(cpu));
                set_cpu_present(cpu, true);
-               set_hard_smp_processor_id(cpu, *intserv++);
+               set_hard_smp_processor_id(cpu, be32_to_cpu(*intserv++));
        }
        err = 0;
 out_unlock:
-- 
1.7.11.7

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