powerpc: Remove check of ibm,smt-snooze-delay OF property

I'm not sure why we have code for parsing an ibm,smt-snooze-delay OF
property. Since we have a smt-snooze-delay= boot option and we can
also set it at runtime via sysfs, it should be safe to get rid of
this code.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 0 insertions, 29 deletions

diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index e235e52dc4fe..158fb731e199 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -67,33 +67,6 @@ static ssize_t show_smt_snooze_delay(struct sys_device *dev,
 static SYSDEV_ATTR(smt_snooze_delay, 0644, show_smt_snooze_delay,
                    store_smt_snooze_delay);
 
-/* Only parse OF options if the matching cmdline option was not specified */
-static int smt_snooze_cmdline;
-
-static int __init smt_setup(void)
-{
-        struct device_node *options;
-        const unsigned int *val;
-        unsigned int cpu;
-
-        if (!cpu_has_feature(CPU_FTR_SMT))
-                return -ENODEV;
-
-        options = of_find_node_by_path("/options");
-        if (!options)
-                return -ENODEV;
-
-        val = of_get_property(options, "ibm,smt-snooze-delay", NULL);
-        if (!smt_snooze_cmdline && val) {
-                for_each_possible_cpu(cpu)
-                        per_cpu(smt_snooze_delay, cpu) = *val;
-        }
-
-        of_node_put(options);
-        return 0;
-}
-__initcall(smt_setup);
-
 static int __init setup_smt_snooze_delay(char *str)
 {
         unsigned int cpu;
@@ -102,8 +75,6 @@ static int __init setup_smt_snooze_delay(char *str)
         if (!cpu_has_feature(CPU_FTR_SMT))
                 return 1;
 
-        smt_snooze_cmdline = 1;
-
         if (get_option(&str, &snooze)) {
                 for_each_possible_cpu(cpu)
                         per_cpu(smt_snooze_delay, cpu) = snooze;