powerpc: Simplify sysctl registration for powersave_nap_ctl_table

There is no need to declare an extra tables to just create directory,
this can be easily be done with a prefix path with register_sysctl().

Simplify this registration.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230310232850.3960676-2-mcgrof@kernel.org

diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c
index b9a725abc596fbd919ca820db53a360d6fc887f1..b1c0418b25c88d47b4bb2093a20c028ae7774af1 100644 (file)
--- a/arch/powerpc/kernel/idle.c
+++ b/arch/powerpc/kernel/idle.c
@@ -107,19 +107,11 @@ static struct ctl_table powersave_nap_ctl_table[] = {
        },
        {}
 };
-static struct ctl_table powersave_nap_sysctl_root[] = {
-       {
-               .procname       = "kernel",
-               .mode           = 0555,
-               .child          = powersave_nap_ctl_table,
-       },
-       {}
-};
 
 static int __init
 register_powersave_nap_sysctl(void)
 {
-       register_sysctl_table(powersave_nap_sysctl_root);
+       register_sysctl("kernel", powersave_nap_ctl_table);
 
        return 0;
 }