#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
-#include <linux/mutex.h>
#include <linux/power_supply.h>
#include <linux/power/smb347-charger.h>
#include <linux/regmap.h>
/**
* struct smb347_charger - smb347 charger instance
- * @lock: protects concurrent access to online variables
* @dev: pointer to device
* @regmap: pointer to driver regmap
* @mains: power_supply instance for AC/DC power
* @pdata: pointer to platform data
*/
struct smb347_charger {
- struct mutex lock;
struct device *dev;
struct regmap *regmap;
struct power_supply *mains;
if (smb->pdata->use_usb)
usb = !(val & IRQSTAT_E_USBIN_UV_STAT);
- mutex_lock(&smb->lock);
ret = smb->mains_online != dc || smb->usb_online != usb;
smb->mains_online = dc;
smb->usb_online = usb;
- mutex_unlock(&smb->lock);
return ret;
}
*/
static bool smb347_is_ps_online(struct smb347_charger *smb)
{
- bool ret;
-
- mutex_lock(&smb->lock);
- ret = smb->usb_online || smb->mains_online;
- mutex_unlock(&smb->lock);
-
- return ret;
+ return smb->usb_online || smb->mains_online;
}
/**
return 0;
}
- mutex_lock(&smb->lock);
if (smb->charging_enabled != enable) {
ret = regmap_update_bits(smb->regmap, CMD_A, CMD_A_CHG_ENABLED,
enable ? CMD_A_CHG_ENABLED : 0);
if (!ret)
smb->charging_enabled = enable;
}
- mutex_unlock(&smb->lock);
+
return ret;
}
return status;
}
-static int smb347_get_property(struct power_supply *psy,
- enum power_supply_property prop,
- union power_supply_propval *val)
+static int smb347_get_property_locked(struct power_supply *psy,
+ enum power_supply_property prop,
+ union power_supply_propval *val)
{
struct smb347_charger *smb = power_supply_get_drvdata(psy);
int ret;
return 0;
}
+static int smb347_get_property(struct power_supply *psy,
+ enum power_supply_property prop,
+ union power_supply_propval *val)
+{
+ struct smb347_charger *smb = power_supply_get_drvdata(psy);
+ struct i2c_client *client = to_i2c_client(smb->dev);
+ int ret;
+
+ disable_irq(client->irq);
+ ret = smb347_get_property_locked(psy, prop, val);
+ enable_irq(client->irq);
+
+ return ret;
+}
+
static enum power_supply_property smb347_properties[] = {
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_CHARGE_TYPE,
i2c_set_clientdata(client, smb);
- mutex_init(&smb->lock);
smb->dev = &client->dev;
smb->id = id->driver_data;