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path: root/drivers/usb/common/usb-conn-gpio.c
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Diffstat (limited to 'drivers/usb/common/usb-conn-gpio.c')
-rw-r--r--drivers/usb/common/usb-conn-gpio.c62
1 files changed, 33 insertions, 29 deletions
diff --git a/drivers/usb/common/usb-conn-gpio.c b/drivers/usb/common/usb-conn-gpio.c
index 6c4e3a19f42c..0158148cb054 100644
--- a/drivers/usb/common/usb-conn-gpio.c
+++ b/drivers/usb/common/usb-conn-gpio.c
@@ -83,11 +83,11 @@ static void usb_conn_detect_cable(struct work_struct *work)
else
role = USB_ROLE_NONE;
- dev_dbg(info->dev, "role %d/%d, gpios: id %d, vbus %d\n",
- info->last_role, role, id, vbus);
+ dev_dbg(info->dev, "role %s -> %s, gpios: id %d, vbus %d\n",
+ usb_role_string(info->last_role), usb_role_string(role), id, vbus);
if (info->last_role == role) {
- dev_warn(info->dev, "repeated role: %d\n", role);
+ dev_warn(info->dev, "repeated role: %s\n", usb_role_string(role));
return;
}
@@ -149,14 +149,32 @@ static int usb_charger_get_property(struct power_supply *psy,
return 0;
}
-static int usb_conn_probe(struct platform_device *pdev)
+static int usb_conn_psy_register(struct usb_conn_info *info)
{
- struct device *dev = &pdev->dev;
- struct power_supply_desc *desc;
- struct usb_conn_info *info;
+ struct device *dev = info->dev;
+ struct power_supply_desc *desc = &info->desc;
struct power_supply_config cfg = {
.of_node = dev->of_node,
};
+
+ desc->name = "usb-charger";
+ desc->properties = usb_charger_properties;
+ desc->num_properties = ARRAY_SIZE(usb_charger_properties);
+ desc->get_property = usb_charger_get_property;
+ desc->type = POWER_SUPPLY_TYPE_USB;
+ cfg.drv_data = info;
+
+ info->charger = devm_power_supply_register(dev, desc, &cfg);
+ if (IS_ERR(info->charger))
+ dev_err(dev, "Unable to register charger\n");
+
+ return PTR_ERR_OR_ZERO(info->charger);
+}
+
+static int usb_conn_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct usb_conn_info *info;
bool need_vbus = true;
int ret = 0;
@@ -205,18 +223,18 @@ static int usb_conn_probe(struct platform_device *pdev)
}
if (IS_ERR(info->vbus)) {
- if (PTR_ERR(info->vbus) != -EPROBE_DEFER)
- dev_err(dev, "failed to get vbus: %ld\n", PTR_ERR(info->vbus));
- return PTR_ERR(info->vbus);
+ ret = PTR_ERR(info->vbus);
+ return dev_err_probe(dev, ret, "failed to get vbus :%d\n", ret);
}
info->role_sw = usb_role_switch_get(dev);
- if (IS_ERR(info->role_sw)) {
- if (PTR_ERR(info->role_sw) != -EPROBE_DEFER)
- dev_err(dev, "failed to get role switch\n");
+ if (IS_ERR(info->role_sw))
+ return dev_err_probe(dev, PTR_ERR(info->role_sw),
+ "failed to get role switch\n");
- return PTR_ERR(info->role_sw);
- }
+ ret = usb_conn_psy_register(info);
+ if (ret)
+ goto put_role_sw;
if (info->id_gpiod) {
info->id_irq = gpiod_to_irq(info->id_gpiod);
@@ -252,20 +270,6 @@ static int usb_conn_probe(struct platform_device *pdev)
}
}
- desc = &info->desc;
- desc->name = "usb-charger";
- desc->properties = usb_charger_properties;
- desc->num_properties = ARRAY_SIZE(usb_charger_properties);
- desc->get_property = usb_charger_get_property;
- desc->type = POWER_SUPPLY_TYPE_USB;
- cfg.drv_data = info;
-
- info->charger = devm_power_supply_register(dev, desc, &cfg);
- if (IS_ERR(info->charger)) {
- dev_err(dev, "Unable to register charger\n");
- return PTR_ERR(info->charger);
- }
-
platform_set_drvdata(pdev, info);
/* Perform initial detection */