Merge back earlier cpuidle material for v3.13.
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index ba95e5db..c17407b 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -30,6 +30,7 @@
#include <linux/clk-provider.h>
#include <linux/irqchip/arm-gic.h>
#include <linux/irqchip/chained_irq.h>
+#include <linux/platform_device.h>
#include <asm/proc-fns.h>
#include <asm/exception.h>
@@ -294,6 +295,16 @@
__raw_writel(val, addr);
}
+static struct platform_device exynos_cpuidle = {
+ .name = "exynos_cpuidle",
+ .id = -1,
+};
+
+void __init exynos_cpuidle_init(void)
+{
+ platform_device_register(&exynos_cpuidle);
+}
+
void __init exynos_init_late(void)
{
if (of_machine_is_compatible("samsung,exynos5440"))
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index 8646a14..b2ac188 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h
@@ -22,6 +22,7 @@
void exynos_init_io(void);
void exynos4_restart(enum reboot_mode mode, const char *cmd);
void exynos5_restart(enum reboot_mode mode, const char *cmd);
+void exynos_cpuidle_init(void);
void exynos_init_late(void);
void exynos_firmware_init(void);
diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c
index ac139226..1bde6ad 100644
--- a/arch/arm/mach-exynos/cpuidle.c
+++ b/arch/arm/mach-exynos/cpuidle.c
@@ -15,6 +15,7 @@
#include <linux/io.h>
#include <linux/export.h>
#include <linux/time.h>
+#include <linux/platform_device.h>
#include <asm/proc-fns.h>
#include <asm/smp_scu.h>
@@ -192,7 +193,7 @@
__raw_writel(tmp, EXYNOS5_PWR_CTRL2);
}
-static int __init exynos4_init_cpuidle(void)
+static int __init exynos_cpuidle_probe(struct platform_device *pdev)
{
int cpu_id, ret;
struct cpuidle_device *device;
@@ -226,4 +227,13 @@
return 0;
}
-device_initcall(exynos4_init_cpuidle);
+
+static struct platform_driver exynos_cpuidle_driver = {
+ .probe = exynos_cpuidle_probe,
+ .driver = {
+ .name = "exynos_cpuidle",
+ .owner = THIS_MODULE,
+ },
+};
+
+module_platform_driver(exynos_cpuidle_driver);
diff --git a/arch/arm/mach-exynos/mach-exynos4-dt.c b/arch/arm/mach-exynos/mach-exynos4-dt.c
index 0099c6c..53a3dc3 100644
--- a/arch/arm/mach-exynos/mach-exynos4-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos4-dt.c
@@ -25,6 +25,8 @@
static void __init exynos4_dt_machine_init(void)
{
+ exynos_cpuidle_init();
+
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index f874b77..c9f7dd1 100644
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -47,6 +47,8 @@
}
}
+ exynos_cpuidle_init();
+
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index fa6964d..33e599e 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -123,7 +123,7 @@
* 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 @@
.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 @@
.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 @@
.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 @@
.enter = NULL }
};
-static struct cpuidle_state atom_cstates[CPUIDLE_STATE_MAX] = {
+static struct cpuidle_state atom_cstates[] __initdata = {
{
.name = "C1E-ATM",
.desc = "MWAIT 0x00",
@@ -490,7 +490,7 @@
/*
* 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 @@
* 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 @@
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);
