@@ -19,6 +19,7 @@
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
+#include <linux/pm.h>
#include <linux/regmap.h>
#include <linux/slab.h>
@@ -177,10 +178,12 @@ static const struct regmap_irq_chip max8907_rtc_irq_chip = {
.num_irqs = ARRAY_SIZE(max8907_rtc_irqs),
};
-static struct max8907 *max8907_pm_off;
-static void max8907_power_off(void)
+static void max8907_power_off(struct power_off_handler_block *this)
{
- regmap_update_bits(max8907_pm_off->regmap_gen, MAX8907_REG_RESET_CNFG,
+ struct max8907 *max8907 = container_of(this, struct max8907,
+ power_off_hb);
+
+ regmap_update_bits(max8907->regmap_gen, MAX8907_REG_RESET_CNFG,
MAX8907_MASK_POWER_OFF, MAX8907_MASK_POWER_OFF);
}
@@ -267,9 +270,13 @@ static int max8907_i2c_probe(struct i2c_client *i2c,
goto err_add_devices;
}
- if (pm_off && !pm_power_off) {
- max8907_pm_off = max8907;
- pm_power_off = max8907_power_off;
+ if (pm_off) {
+ max8907->power_off_hb.handler = max8907_power_off;
+ max8907->power_off_hb.priority = POWER_OFF_PRIORITY_LOW;
+ ret = register_power_off_handler(&max8907->power_off_hb);
+ if (ret)
+ dev_warn(&i2c->dev,
+ "Failed to register power-off handler");
}
return 0;
@@ -293,6 +300,8 @@ static int max8907_i2c_remove(struct i2c_client *i2c)
{
struct max8907 *max8907 = i2c_get_clientdata(i2c);
+ unregister_power_off_handler(&max8907->power_off_hb);
+
mfd_remove_devices(max8907->dev);
regmap_del_irq_chip(max8907->i2c_gen->irq, max8907->irqc_rtc);
@@ -247,6 +247,7 @@ struct max8907 {
struct regmap_irq_chip_data *irqc_chg;
struct regmap_irq_chip_data *irqc_on_off;
struct regmap_irq_chip_data *irqc_rtc;
+ struct power_off_handler_block power_off_hb;
};
#endif