s390x: rename io_subsystem_reset -> subsystem_reset

According to the Pop:
"Subsystem reset operates only on those elements in the configuration
which are not CPUs".

As this is what we actually do, let's simply rename the function.
Acked-by: NCornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: NDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: NJens Freimann <jfrei@linux.vnet.ibm.com>
Message-Id: <1443689387-34473-6-git-send-email-jfrei@linux.vnet.ibm.com>
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>

hw/s390x/s390-virtio-ccw.c

@@ -35,7 +35,7 @@ typedef struct S390CcwMachineState {
     bool dea_key_wrap;
 } S390CcwMachineState;
 
-void io_subsystem_reset(void)
+void subsystem_reset(void)
 {
     DeviceState *css, *sclp, *flic, *diag288;
 

target-s390x/cpu.h

@@ -568,7 +568,7 @@ void cpu_unlock(void);
 typedef struct SubchDev SubchDev;
 
 #ifndef CONFIG_USER_ONLY
-extern void io_subsystem_reset(void);
+extern void subsystem_reset(void);
 SubchDev *css_find_subch(uint8_t m, uint8_t cssid, uint8_t ssid,
                          uint16_t schid);
 bool css_subch_visible(SubchDev *sch);

target-s390x/misc_helper.c

@@ -128,7 +128,7 @@ static int modified_clear_reset(S390CPU *cpu)
         run_on_cpu(t, s390_do_cpu_full_reset, t);
     }
     cmma_reset(cpu);
-    io_subsystem_reset();
+    subsystem_reset();
     scc->load_normal(CPU(cpu));
     cpu_synchronize_all_post_reset();
     resume_all_vcpus();
@@ -146,7 +146,7 @@ static int load_normal_reset(S390CPU *cpu)
         run_on_cpu(t, s390_do_cpu_reset, t);
     }
     cmma_reset(cpu);
-    io_subsystem_reset();
+    subsystem_reset();
     scc->initial_cpu_reset(CPU(cpu));
     scc->load_normal(CPU(cpu));
     cpu_synchronize_all_post_reset();