diff options
Diffstat (limited to 'drivers/usb/common/usb-conn-gpio.c')
-rw-r--r-- | drivers/usb/common/usb-conn-gpio.c | 62 |
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 */ |