powerpc/pseries: remove dlpar_cpu_readd()

dlpar_cpu_readd() is unused now.

Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200612051238.1007764-18-nathanl@linux.ibm.com

diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index b2c346c5e16f87bc55b4e29326e8805775570495..f0b6300e7dd33ffbc9ac27bf224bf0de60f72342 100644 (file)
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -115,7 +115,6 @@ int get_physical_package_id(int cpu);
 #define topology_core_cpumask(cpu)     (per_cpu(cpu_core_map, cpu))
 #define topology_core_id(cpu)          (cpu_to_core_id(cpu))
 
-int dlpar_cpu_readd(int cpu);
 #endif
 #endif
 

diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index dbfabb185eb5266f86d5fbb4ef66760b4ce4fcbd..4bad7a83addc14e10cdaee13ce8d0219df11e2db 100644 (file)
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -779,25 +779,6 @@ static int dlpar_cpu_add_by_count(u32 cpus_to_add)
        return rc;
 }
 
-int dlpar_cpu_readd(int cpu)
-{
-       struct device_node *dn;
-       struct device *dev;
-       u32 drc_index;
-       int rc;
-
-       dev = get_cpu_device(cpu);
-       dn = dev->of_node;
-
-       rc = of_property_read_u32(dn, "ibm,my-drc-index", &drc_index);
-
-       rc = dlpar_cpu_remove_by_index(drc_index);
-       if (!rc)
-               rc = dlpar_cpu_add(drc_index);
-
-       return rc;
-}
-
 int dlpar_cpu(struct pseries_hp_errorlog *hp_elog)
 {
        u32 count, drc_index;