arm64: reorganise smp_enable_ops

For hotplug support, we're going to want a place to store operations
that do more than bring CPUs online, and it makes sense to group these
with our current smp_enable_ops. For cpuidle support, we'll want to
group additional functions, and we may want them even for UP kernels.

This patch renames smp_enable_ops to the more general cpu_operations,
and pulls the definitions out of smp code such that they can be used in
UP kernels. While we're at it, fix up instances of the cpu parameter to
be an unsigned int, drop the init markings and rename the *_cpu
functions to cpu_* to reduce future churn when cpu_operations is
extended.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

1 files changed, 6 insertions, 5 deletions

diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
index 368b78788cb5..ccec2ca67755 100644
--- a/arch/arm64/kernel/psci.c
+++ b/arch/arm64/kernel/psci.c
@@ -20,6 +20,7 @@
 #include <linux/smp.h>
 
 #include <asm/compiler.h>
+#include <asm/cpu_ops.h>
 #include <asm/errno.h>
 #include <asm/psci.h>
 #include <asm/smp_plat.h>
@@ -231,12 +232,12 @@ out_put_node:
 
 #ifdef CONFIG_SMP
 
-static int __init smp_psci_init_cpu(struct device_node *dn, int cpu)
+static int __init cpu_psci_cpu_init(struct device_node *dn, unsigned int cpu)
 {
         return 0;
 }
 
-static int __init smp_psci_prepare_cpu(int cpu)
+static int __init cpu_psci_cpu_prepare(unsigned int cpu)
 {
         int err;
 
@@ -254,10 +255,10 @@ static int __init smp_psci_prepare_cpu(int cpu)
         return 0;
 }
 
-const struct smp_enable_ops smp_psci_ops __initconst = {
+const struct cpu_operations cpu_psci_ops = {
         .name           = "psci",
-        .init_cpu       = smp_psci_init_cpu,
-        .prepare_cpu    = smp_psci_prepare_cpu,
+        .cpu_init       = cpu_psci_cpu_init,
+        .cpu_prepare    = cpu_psci_cpu_prepare,
 };
 
 #endif