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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-12-10 07:22:40 +0100
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-12-10 07:22:40 +0100
commit5d43889c07bb38694742936aa70d1187c012e198 (patch)
tree73809dddae39ae3b746396e9779142dbd1973f33 /arch/arm/mach-at91/pm.c
parentInput: ALPS - add support for DualPoint device on Dell XT2 model (diff)
parentLinux 3.13-rc3 (diff)
downloadlinux-5d43889c07bb38694742936aa70d1187c012e198.tar.xz
linux-5d43889c07bb38694742936aa70d1187c012e198.zip
Merge tag 'v3.13-rc3' into for-linus
Merging with the mainline to sync up on changes to serio core.
Diffstat (limited to 'arch/arm/mach-at91/pm.c')
-rw-r--r--arch/arm/mach-at91/pm.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 15afb5d9271f..9986542e8060 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -39,6 +39,8 @@
#include "at91_rstc.h"
#include "at91_shdwc.h"
+static void (*at91_pm_standby)(void);
+
static void __init show_reset_status(void)
{
static char reset[] __initdata = "reset";
@@ -266,14 +268,8 @@ static int at91_pm_enter(suspend_state_t state)
* For ARM 926 based chips, this requirement is weaker
* as at91sam9 can access a RAM in self-refresh mode.
*/
- if (cpu_is_at91rm9200())
- at91rm9200_standby();
- else if (cpu_is_at91sam9g45())
- at91sam9g45_standby();
- else if (cpu_is_at91sam9263())
- at91sam9263_standby();
- else
- at91sam9_standby();
+ if (at91_pm_standby)
+ at91_pm_standby();
break;
case PM_SUSPEND_ON:
@@ -314,6 +310,18 @@ static const struct platform_suspend_ops at91_pm_ops = {
.end = at91_pm_end,
};
+static struct platform_device at91_cpuidle_device = {
+ .name = "cpuidle-at91",
+};
+
+void at91_pm_set_standby(void (*at91_standby)(void))
+{
+ if (at91_standby) {
+ at91_cpuidle_device.dev.platform_data = at91_standby;
+ at91_pm_standby = at91_standby;
+ }
+}
+
static int __init at91_pm_init(void)
{
#ifdef CONFIG_AT91_SLOW_CLOCK
@@ -325,6 +333,9 @@ static int __init at91_pm_init(void)
/* AT91RM9200 SDRAM low-power mode cannot be used with self-refresh. */
if (cpu_is_at91rm9200())
at91_ramc_write(0, AT91RM9200_SDRAMC_LPR, 0);
+
+ if (at91_cpuidle_device.dev.platform_data)
+ platform_device_register(&at91_cpuidle_device);
suspend_set_ops(&at91_pm_ops);