The cpu_setup() handler currently takes a 'XICSState *' argument to
grab the kernel ICP file descriptor. This interface can be simplified
by using the 'xics' backlink of the ICP object.

This change is also required by subsequent patches which makes use of
the QOM interface for XICS.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 hw/intc/xics.c        |  5 +++--
 hw/intc/xics_kvm.c    | 11 +++--------
 include/hw/ppc/xics.h |  2 +-
 3 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/hw/intc/xics.c b/hw/intc/xics.c
index 05922a040fb5..5e98d53ecc94 100644
--- a/hw/intc/xics.c
+++ b/hw/intc/xics.c
@@ -66,14 +66,15 @@ void xics_cpu_setup(XICSState *xics, PowerPCCPU *cpu)
     CPUState *cs = CPU(cpu);
     CPUPPCState *env = &cpu->env;
     ICPState *ss = &xics->ss[cs->cpu_index];
-    XICSStateClass *info = XICS_COMMON_GET_CLASS(xics);
+    XICSStateClass *info;
 
     assert(cs->cpu_index < xics->nr_servers);
 
     ss->cs = cs;
 
+    info = XICS_COMMON_GET_CLASS(ss->xics);
     if (info->cpu_setup) {
-        info->cpu_setup(xics, cpu);
+        info->cpu_setup(ss, cpu);
     }
 
     switch (PPC_INPUT(env)) {
diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c
index 6cabc11f6be1..3941f31c5b3f 100644
--- a/hw/intc/xics_kvm.c
+++ b/hw/intc/xics_kvm.c
@@ -334,17 +334,12 @@ static const TypeInfo ics_kvm_info = {
 /*
  * XICS-KVM
  */
-static void xics_kvm_cpu_setup(XICSState *xics, PowerPCCPU *cpu)
+static void xics_kvm_cpu_setup(ICPState *ss, PowerPCCPU *cpu)
 {
-    CPUState *cs;
-    ICPState *ss;
-    KVMXICSState *xicskvm = XICS_SPAPR_KVM(xics);
+    CPUState *cs = CPU(cpu);
+    KVMXICSState *xicskvm = XICS_SPAPR_KVM(ss->xics);
     int ret;
 
-    cs = CPU(cpu);
-    ss = &xics->ss[cs->cpu_index];
-
-    assert(cs->cpu_index < xics->nr_servers);
     if (xicskvm->kernel_xics_fd == -1) {
         abort();
     }
diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h
index 814f7ebe2246..3e7bee107da5 100644
--- a/include/hw/ppc/xics.h
+++ b/include/hw/ppc/xics.h
@@ -73,7 +73,7 @@ typedef struct ICSIRQState ICSIRQState;
 struct XICSStateClass {
     DeviceClass parent_class;
 
-    void (*cpu_setup)(XICSState *icp, PowerPCCPU *cpu);
+    void (*cpu_setup)(ICPState *icp, PowerPCCPU *cpu);
 };
 
 struct XICSState {
-- 
2.7.4