diff options
| -rw-r--r-- | drivers/usb/cdns3/core.c | 2 | ||||
| -rw-r--r-- | drivers/usb/common/usb-conn-gpio.c | 3 | ||||
| -rw-r--r-- | drivers/usb/musb/jz4740.c | 2 | ||||
| -rw-r--r-- | drivers/usb/roles/intel-xhci-usb-role-switch.c | 2 | ||||
| -rw-r--r-- | include/linux/usb/role.h | 1 |
5 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c index dbcdf3b24b47..69d2921f2d3b 100644 --- a/drivers/usb/cdns3/core.c +++ b/drivers/usb/cdns3/core.c @@ -252,6 +252,8 @@ static enum usb_role cdns_hw_role_state_machine(struct cdns *cdns) if (!vbus) role = USB_ROLE_NONE; break; + default: + break; } dev_dbg(cdns->dev, "role %d -> %d\n", cdns->role, role); diff --git a/drivers/usb/common/usb-conn-gpio.c b/drivers/usb/common/usb-conn-gpio.c index e20874caba36..30bdb81934bc 100644 --- a/drivers/usb/common/usb-conn-gpio.c +++ b/drivers/usb/common/usb-conn-gpio.c @@ -257,6 +257,9 @@ static int usb_conn_probe(struct platform_device *pdev) platform_set_drvdata(pdev, info); device_set_wakeup_capable(&pdev->dev, true); + /* Set last role to unknown before performing the initial detection */ + info->last_role = USB_ROLE_UNKNOWN; + /* Perform initial detection */ usb_conn_queue_dwork(info, 0); diff --git a/drivers/usb/musb/jz4740.c b/drivers/usb/musb/jz4740.c index d1e4e0deb753..df4e9d397d98 100644 --- a/drivers/usb/musb/jz4740.c +++ b/drivers/usb/musb/jz4740.c @@ -91,6 +91,8 @@ static int jz4740_musb_role_switch_set(struct usb_role_switch *sw, case USB_ROLE_HOST: atomic_notifier_call_chain(&phy->notifier, USB_EVENT_ID, phy); break; + default: + break; } return 0; diff --git a/drivers/usb/roles/intel-xhci-usb-role-switch.c b/drivers/usb/roles/intel-xhci-usb-role-switch.c index 5c96e929acea..4d6a3dd06e01 100644 --- a/drivers/usb/roles/intel-xhci-usb-role-switch.c +++ b/drivers/usb/roles/intel-xhci-usb-role-switch.c @@ -97,6 +97,8 @@ static int intel_xhci_usb_set_role(struct usb_role_switch *sw, val |= SW_VBUS_VALID; drd_config = DRD_CONFIG_STATIC_DEVICE; break; + default: + break; } val |= SW_IDPIN_EN; if (data->enable_sw_switch) { diff --git a/include/linux/usb/role.h b/include/linux/usb/role.h index b5deafd91f67..65e790a28913 100644 --- a/include/linux/usb/role.h +++ b/include/linux/usb/role.h @@ -11,6 +11,7 @@ enum usb_role { USB_ROLE_NONE, USB_ROLE_HOST, USB_ROLE_DEVICE, + USB_ROLE_UNKNOWN, }; typedef int (*usb_role_switch_set_t)(struct usb_role_switch *sw, |