powerpc/smp: Remove unused smp_ops->cpu_enable()

Remove the last remnants of cpu_enable(), everybody uses the normal
__cpu_up() path now

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index fe56a23..bcfc0da 100644 (file)
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -37,7 +37,6 @@ struct smp_ops_t {
        void  (*setup_cpu)(int nr);
        void  (*take_timebase)(void);
        void  (*give_timebase)(void);
-       int   (*cpu_enable)(unsigned int nr);
        int   (*cpu_disable)(void);
        void  (*cpu_die)(unsigned int nr);
        int   (*cpu_bootable)(unsigned int nr);

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 19d0c25..be7d728 100644 (file)
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -350,21 +350,11 @@ void generic_mach_cpu_die(void)
 }
 #endif
 
-static int __devinit cpu_enable(unsigned int cpu)
-{
-       if (smp_ops && smp_ops->cpu_enable)
-               return smp_ops->cpu_enable(cpu);
-
-       return -ENOSYS;
-}
-
 int __cpuinit __cpu_up(unsigned int cpu)
 {
        int c;
 
        secondary_ti = current_set[cpu];
-       if (!cpu_enable(cpu))
-               return 0;
 
        if (smp_ops == NULL ||
            (smp_ops->cpu_bootable && !smp_ops->cpu_bootable(cpu)))

diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index c95215f..ebd2b7e 100644 (file)
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -923,8 +923,6 @@ struct smp_ops_t core99_smp_ops = {
 # if defined(CONFIG_PPC64)
        .cpu_disable    = generic_cpu_disable,
        .cpu_die        = generic_cpu_die,
-       /* intentionally do *NOT* assign cpu_enable,
-        * the generic code will use kick_cpu then! */
 # endif
 #endif
 };