Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma

[firefly-linux-kernel-4.4.55.git] / drivers / idle / intel_idle.c

diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index f116d664b4737edcabb621a9fdb7076cbcee1334..3226ce98fb184df9c0c5666129c1b699cbcc5027 100644 (file)
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -123,7 +123,7 @@ static struct cpuidle_state *cpuidle_state_table;
  * which is also the index into the MWAIT hint array.
  * Thus C0 is a dummy.
  */
-static struct cpuidle_state nehalem_cstates[CPUIDLE_STATE_MAX] = {
+static struct cpuidle_state nehalem_cstates[] __initdata = {
        {
                .name = "C1-NHM",
                .desc = "MWAIT 0x00",
@@ -156,7 +156,7 @@ static struct cpuidle_state nehalem_cstates[CPUIDLE_STATE_MAX] = {
                .enter = NULL }
 };
 
-static struct cpuidle_state snb_cstates[CPUIDLE_STATE_MAX] = {
+static struct cpuidle_state snb_cstates[] __initdata = {
        {
                .name = "C1-SNB",
                .desc = "MWAIT 0x00",
@@ -196,7 +196,7 @@ static struct cpuidle_state snb_cstates[CPUIDLE_STATE_MAX] = {
                .enter = NULL }
 };
 
-static struct cpuidle_state ivb_cstates[CPUIDLE_STATE_MAX] = {
+static struct cpuidle_state ivb_cstates[] __initdata = {
        {
                .name = "C1-IVB",
                .desc = "MWAIT 0x00",
@@ -236,7 +236,7 @@ static struct cpuidle_state ivb_cstates[CPUIDLE_STATE_MAX] = {
                .enter = NULL }
 };
 
-static struct cpuidle_state hsw_cstates[CPUIDLE_STATE_MAX] = {
+static struct cpuidle_state hsw_cstates[] __initdata = {
        {
                .name = "C1-HSW",
                .desc = "MWAIT 0x00",
@@ -297,7 +297,7 @@ static struct cpuidle_state hsw_cstates[CPUIDLE_STATE_MAX] = {
                .enter = NULL }
 };
 
-static struct cpuidle_state atom_cstates[CPUIDLE_STATE_MAX] = {
+static struct cpuidle_state atom_cstates[] __initdata = {
        {
                .name = "C1E-ATM",
                .desc = "MWAIT 0x00",
@@ -390,7 +390,7 @@ static int cpu_hotplug_notify(struct notifier_block *n,
        int hotcpu = (unsigned long)hcpu;
        struct cpuidle_device *dev;
 
-       switch (action & 0xf) {
+       switch (action & ~CPU_TASKS_FROZEN) {
        case CPU_ONLINE:
 
                if (lapic_timer_reliable_states != LAPIC_TIMER_ALWAYS_RELIABLE)
@@ -490,7 +490,7 @@ MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids);
 /*
  * intel_idle_probe()
  */
-static int intel_idle_probe(void)
+static int __init intel_idle_probe(void)
 {
        unsigned int eax, ebx, ecx;
        const struct x86_cpu_id *id;
@@ -558,7 +558,7 @@ static void intel_idle_cpuidle_devices_uninit(void)
  * intel_idle_cpuidle_driver_init()
  * allocate, initialize cpuidle_states
  */
-static int intel_idle_cpuidle_driver_init(void)
+static int __init intel_idle_cpuidle_driver_init(void)
 {
        int cstate;
        struct cpuidle_driver *drv = &intel_idle_driver;
@@ -628,7 +628,7 @@ static int intel_idle_cpu_init(int cpu)
                int num_substates, mwait_hint, mwait_cstate, mwait_substate;
 
                if (cpuidle_state_table[cstate].enter == NULL)
-                       continue;
+                       break;
 
                if (cstate + 1 > max_cstate) {
                        printk(PREFIX "max_cstate %d reached\n", max_cstate);