#include <linux/init.h>
-#include <linux/pm.h>
+#include <linux/suspend.h>
#include <asm/io.h>
#include <asm/time.h>
#include <asm/mpc52xx.h>
static const int sram_size = 0x4000; /* 16 kBytes */
static void __iomem *mbar;
+static suspend_state_t lite5200_pm_target_state;
+
static int lite5200_pm_valid(suspend_state_t state)
{
switch (state) {
}
}
-static int lite5200_pm_prepare(suspend_state_t state)
+static int lite5200_pm_set_target(suspend_state_t state)
+{
+ if (lite5200_pm_valid(state)) {
+ lite5200_pm_target_state = state;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static int lite5200_pm_prepare(void)
{
+ struct device_node *np;
+
/* deep sleep? let mpc52xx code handle that */
- if (state == PM_SUSPEND_STANDBY)
- return mpc52xx_pm_prepare(state);
+ if (lite5200_pm_target_state == PM_SUSPEND_STANDBY)
+ return mpc52xx_pm_prepare();
- if (state != PM_SUSPEND_MEM)
+ if (lite5200_pm_target_state != PM_SUSPEND_MEM)
return -EINVAL;
/* map registers */
- mbar = mpc52xx_find_and_map("mpc5200");
+ np = of_find_compatible_node(NULL, NULL, "mpc5200");
+ mbar = of_iomap(np, 0);
+ of_node_put(np);
if (!mbar) {
printk(KERN_ERR "%s:%i Error mapping registers\n", __func__, __LINE__);
return -ENOSYS;
return 0;
}
-static int lite5200_pm_finish(suspend_state_t state)
+static void lite5200_pm_finish(void)
{
/* deep sleep? let mpc52xx code handle that */
- if (state == PM_SUSPEND_STANDBY) {
- return mpc52xx_pm_finish(state);
- }
- return 0;
+ if (lite5200_pm_target_state == PM_SUSPEND_STANDBY)
+ mpc52xx_pm_finish();
}
-static struct pm_ops lite5200_pm_ops = {
+static struct platform_suspend_ops lite5200_pm_ops = {
.valid = lite5200_pm_valid,
+ .set_target = lite5200_pm_set_target,
.prepare = lite5200_pm_prepare,
.enter = lite5200_pm_enter,
.finish = lite5200_pm_finish,
int __init lite5200_pm_init(void)
{
- pm_set_ops(&lite5200_pm_ops);
+ suspend_set_ops(&lite5200_pm_ops);
return 0;
}