powerpc/pseries: Remove MPIC from pseries cpu hotplug
authorRashmica Gupta <rashmicy@gmail.com>
Mon, 30 May 2016 06:18:14 +0000 (16:18 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 14 Jun 2016 03:58:27 +0000 (13:58 +1000)
MPIC was only used by Power3 which is now unsupported, so remove MPIC
code.

Signed-off-by: Rashmica Gupta <rashmicy@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/platforms/pseries/hotplug-cpu.c

index 282837a1d74b03265d046ff76383222d19f0c3fb..a1b63e00b2f7d47a469f15d5b3ed6ee13985048c 100644 (file)
@@ -903,8 +903,6 @@ static int parse_cede_parameters(void)
 
 static int __init pseries_cpu_hotplug_init(void)
 {
-       struct device_node *np;
-       const char *typep;
        int cpu;
        int qcss_tok;
 
@@ -913,17 +911,6 @@ static int __init pseries_cpu_hotplug_init(void)
        ppc_md.cpu_release = dlpar_cpu_release;
 #endif /* CONFIG_ARCH_CPU_PROBE_RELEASE */
 
-       for_each_node_by_name(np, "interrupt-controller") {
-               typep = of_get_property(np, "compatible", NULL);
-               if (strstr(typep, "open-pic")) {
-                       of_node_put(np);
-
-                       printk(KERN_INFO "CPU Hotplug not supported on "
-                               "systems using MPIC\n");
-                       return 0;
-               }
-       }
-
        rtas_stop_self_token = rtas_token("stop-self");
        qcss_tok = rtas_token("query-cpu-stopped-state");