1 files changed, 12 insertions, 32 deletions

diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index e98863025721..253972e5479f 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -34,6 +34,7 @@
 #include <asm/i8259.h>
 
 #include "xics.h"
+#include "plpar_wrappers.h"
 
 #define XICS_IPI                2
 #define XICS_IRQ_SPURIOUS       0
@@ -110,27 +111,6 @@ static inline void direct_qirr_info(int n_cpu, u8 value)
 /* LPAR low level accessors */
 
 
-static inline long plpar_eoi(unsigned long xirr)
-{
-        return plpar_hcall_norets(H_EOI, xirr);
-}
-
-static inline long plpar_cppr(unsigned long cppr)
-{
-        return plpar_hcall_norets(H_CPPR, cppr);
-}
-
-static inline long plpar_ipi(unsigned long servernum, unsigned long mfrr)
-{
-        return plpar_hcall_norets(H_IPI, servernum, mfrr);
-}
-
-static inline long plpar_xirr(unsigned long *xirr_ret)
-{
-        unsigned long dummy;
-        return plpar_hcall(H_XIRR, 0, 0, 0, 0, xirr_ret, &dummy, &dummy);
-}
-
 static inline unsigned int lpar_xirr_info_get(int n_cpu)
 {
         unsigned long lpar_rc;
@@ -590,14 +570,14 @@ static void __init xics_init_one_node(struct device_node *np,
                                       unsigned int *indx)
 {
         unsigned int ilen;
-        u32 *ireg;
+        const u32 *ireg;
 
         /* This code does the theorically broken assumption that the interrupt
          * server numbers are the same as the hard CPU numbers.
          * This happens to be the case so far but we are playing with fire...
          * should be fixed one of these days. -BenH.
          */
-        ireg = (u32 *)get_property(np, "ibm,interrupt-server-ranges", NULL);
+        ireg = get_property(np, "ibm,interrupt-server-ranges", NULL);
 
         /* Do that ever happen ? we'll know soon enough... but even good'old
          * f80 does have that property ..
@@ -609,7 +589,7 @@ static void __init xics_init_one_node(struct device_node *np,
                  */
                 *indx = *ireg;
         }
-        ireg = (u32 *)get_property(np, "reg", &ilen);
+        ireg = get_property(np, "reg", &ilen);
         if (!ireg)
                 panic("xics_init_IRQ: can't find interrupt reg property");
 
@@ -635,7 +615,7 @@ static void __init xics_setup_8259_cascade(void)
 {
         struct device_node *np, *old, *found = NULL;
         int cascade, naddr;
-        u32 *addrp;
+        const u32 *addrp;
         unsigned long intack = 0;
 
         for_each_node_by_type(np, "interrupt-controller")
@@ -661,7 +641,7 @@ static void __init xics_setup_8259_cascade(void)
                         break;
                 if (strcmp(np->name, "pci") != 0)
                         continue;
-                addrp = (u32 *)get_property(np, "8259-interrupt-acknowledge", NULL);
+                addrp = get_property(np, "8259-interrupt-acknowledge", NULL);
                 if (addrp == NULL)
                         continue;
                 naddr = prom_n_addr_cells(np);
@@ -680,7 +660,8 @@ void __init xics_init_IRQ(void)
 {
         int i;
         struct device_node *np;
-        u32 *ireg, ilen, indx = 0;
+        u32 ilen, indx = 0;
+        const u32 *ireg;
         int found = 0;
 
         ppc64_boot_msg(0x20, "XICS Init");
@@ -705,18 +686,17 @@ void __init xics_init_IRQ(void)
         for (np = of_find_node_by_type(NULL, "cpu");
              np;
              np = of_find_node_by_type(np, "cpu")) {
-                ireg = (u32 *)get_property(np, "reg", &ilen);
+                ireg = get_property(np, "reg", &ilen);
                 if (ireg && ireg[0] == get_hard_smp_processor_id(boot_cpuid)) {
-                        ireg = (u32 *)get_property(np,
-                                                  "ibm,ppc-interrupt-gserver#s",
-                                                   &ilen);
+                        ireg = get_property(np,
+                                        "ibm,ppc-interrupt-gserver#s", &ilen);
                         i = ilen / sizeof(int);
                         if (ireg && i > 0) {
                                 default_server = ireg[0];
                                 /* take last element */
                                 default_distrib_server = ireg[i-1];
                         }
-                        ireg = (u32 *)get_property(np,
+                        ireg = get_property(np,
                                         "ibm,interrupt-server#-size", NULL);
                         if (ireg)
                                 interrupt_server_size = *ireg;