diff options
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/config.c | 10 | ||||
| -rw-r--r-- | drivers/usb/core/hub.c | 59 | ||||
| -rw-r--r-- | drivers/usb/core/quirks.c | 4 |
3 files changed, 43 insertions, 30 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 0aa9e7d697a5..25dbd8c7aec7 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -239,6 +239,16 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, if (ifp->desc.bNumEndpoints >= num_ep) goto skip_to_next_endpoint_or_interface_descriptor; + /* Check for duplicate endpoint addresses */ + for (i = 0; i < ifp->desc.bNumEndpoints; ++i) { + if (ifp->endpoint[i].desc.bEndpointAddress == + d->bEndpointAddress) { + dev_warn(ddev, "config %d interface %d altsetting %d has a duplicate endpoint with address 0x%X, skipping\n", + cfgno, inum, asnum, d->bEndpointAddress); + goto skip_to_next_endpoint_or_interface_descriptor; + } + } + endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints]; ++ifp->desc.bNumEndpoints; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 1fa5c0f29c64..a56c75e09786 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -103,8 +103,7 @@ EXPORT_SYMBOL_GPL(ehci_cf_port_reset_rwsem); static void hub_release(struct kref *kref); static int usb_reset_and_verify_device(struct usb_device *udev); -static void hub_usb3_port_prepare_disable(struct usb_hub *hub, - struct usb_port *port_dev); +static int hub_port_disable(struct usb_hub *hub, int port1, int set_state); static inline char *portspeed(struct usb_hub *hub, int portstatus) { @@ -903,34 +902,6 @@ static int hub_set_port_link_state(struct usb_hub *hub, int port1, } /* - * USB-3 does not have a similar link state as USB-2 that will avoid negotiating - * a connection with a plugged-in cable but will signal the host when the cable - * is unplugged. Disable remote wake and set link state to U3 for USB-3 devices - */ -static int hub_port_disable(struct usb_hub *hub, int port1, int set_state) -{ - struct usb_port *port_dev = hub->ports[port1 - 1]; - struct usb_device *hdev = hub->hdev; - int ret = 0; - - if (!hub->error) { - if (hub_is_superspeed(hub->hdev)) { - hub_usb3_port_prepare_disable(hub, port_dev); - ret = hub_set_port_link_state(hub, port_dev->portnum, - USB_SS_PORT_LS_U3); - } else { - ret = usb_clear_port_feature(hdev, port1, - USB_PORT_FEAT_ENABLE); - } - } - if (port_dev->child && set_state) - usb_set_device_state(port_dev->child, USB_STATE_NOTATTACHED); - if (ret && ret != -ENODEV) - dev_err(&port_dev->dev, "cannot disable (err = %d)\n", ret); - return ret; -} - -/* * Disable a port and mark a logical connect-change event, so that some * time later hub_wq will disconnect() any existing usb_device on the port * and will re-enumerate if there actually is a device attached. @@ -4162,6 +4133,34 @@ static int hub_handle_remote_wakeup(struct usb_hub *hub, unsigned int port, #endif /* CONFIG_PM */ +/* + * USB-3 does not have a similar link state as USB-2 that will avoid negotiating + * a connection with a plugged-in cable but will signal the host when the cable + * is unplugged. Disable remote wake and set link state to U3 for USB-3 devices + */ +static int hub_port_disable(struct usb_hub *hub, int port1, int set_state) +{ + struct usb_port *port_dev = hub->ports[port1 - 1]; + struct usb_device *hdev = hub->hdev; + int ret = 0; + + if (!hub->error) { + if (hub_is_superspeed(hub->hdev)) { + hub_usb3_port_prepare_disable(hub, port_dev); + ret = hub_set_port_link_state(hub, port_dev->portnum, + USB_SS_PORT_LS_U3); + } else { + ret = usb_clear_port_feature(hdev, port1, + USB_PORT_FEAT_ENABLE); + } + } + if (port_dev->child && set_state) + usb_set_device_state(port_dev->child, USB_STATE_NOTATTACHED); + if (ret && ret != -ENODEV) + dev_err(&port_dev->dev, "cannot disable (err = %d)\n", ret); + return ret; +} + /* USB 2.0 spec, 7.1.7.3 / fig 7-29: * diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index d2e50a27140c..24f9f98968a5 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -37,6 +37,10 @@ static const struct usb_device_id usb_quirk_list[] = { /* CBM - Flash disk */ { USB_DEVICE(0x0204, 0x6025), .driver_info = USB_QUIRK_RESET_RESUME }, + /* WORLDE easy key (easykey.25) MIDI controller */ + { USB_DEVICE(0x0218, 0x0401), .driver_info = + USB_QUIRK_CONFIG_INTF_STRINGS }, + /* HP 5300/5370C scanner */ { USB_DEVICE(0x03f0, 0x0701), .driver_info = USB_QUIRK_STRING_FETCH_255 }, |