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-rw-r--r--drivers/power/supply/sc2731_charger.c30
1 files changed, 22 insertions, 8 deletions
diff --git a/drivers/power/supply/sc2731_charger.c b/drivers/power/supply/sc2731_charger.c
index 525a820537bf..393ba9883c4a 100644
--- a/drivers/power/supply/sc2731_charger.c
+++ b/drivers/power/supply/sc2731_charger.c
@@ -57,9 +57,11 @@ struct sc2731_charger_info {
struct usb_phy *usb_phy;
struct notifier_block usb_notify;
struct power_supply *psy_usb;
+ struct work_struct work;
struct mutex lock;
bool charging;
u32 base;
+ u32 limit;
};
static void sc2731_charger_stop_charge(struct sc2731_charger_info *info)
@@ -318,22 +320,21 @@ static const struct power_supply_desc sc2731_charger_desc = {
.property_is_writeable = sc2731_charger_property_is_writeable,
};
-static int sc2731_charger_usb_change(struct notifier_block *nb,
- unsigned long limit, void *data)
+static void sc2731_charger_work(struct work_struct *data)
{
struct sc2731_charger_info *info =
- container_of(nb, struct sc2731_charger_info, usb_notify);
- int ret = 0;
+ container_of(data, struct sc2731_charger_info, work);
+ int ret;
mutex_lock(&info->lock);
- if (limit > 0) {
+ if (info->limit > 0) {
/* set current limitation and start to charge */
- ret = sc2731_charger_set_current_limit(info, limit);
+ ret = sc2731_charger_set_current_limit(info, info->limit);
if (ret)
goto out;
- ret = sc2731_charger_set_current(info, limit);
+ ret = sc2731_charger_set_current(info, info->limit);
if (ret)
goto out;
@@ -350,7 +351,19 @@ static int sc2731_charger_usb_change(struct notifier_block *nb,
out:
mutex_unlock(&info->lock);
- return ret;
+}
+
+static int sc2731_charger_usb_change(struct notifier_block *nb,
+ unsigned long limit, void *data)
+{
+ struct sc2731_charger_info *info =
+ container_of(nb, struct sc2731_charger_info, usb_notify);
+
+ info->limit = limit;
+
+ schedule_work(&info->work);
+
+ return NOTIFY_OK;
}
static int sc2731_charger_hw_init(struct sc2731_charger_info *info)
@@ -432,6 +445,7 @@ static int sc2731_charger_probe(struct platform_device *pdev)
mutex_init(&info->lock);
info->dev = &pdev->dev;
+ INIT_WORK(&info->work, sc2731_charger_work);
info->regmap = dev_get_regmap(pdev->dev.parent, NULL);
if (!info->regmap) {
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