diff options
Diffstat (limited to 'drivers/usb/gadget/serial.c')
| -rw-r--r-- | drivers/usb/gadget/serial.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index 9cd98e73dc1..ce4d2e09633 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -1691,14 +1691,12 @@ static int gs_setup_class(struct usb_gadget *gadget, switch (ctrl->bRequest) { case USB_CDC_REQ_SET_LINE_CODING: - ret = min(wLength, - (u16)sizeof(struct usb_cdc_line_coding)); - if (port) { - spin_lock(&port->port_lock); - memcpy(&port->port_line_coding, req->buf, ret); - spin_unlock(&port->port_lock); - } - ret = 0; + /* FIXME Submit req to read the data; have its completion + * handler copy that data to port->port_line_coding (iff + * it's valid) and maybe pass it on. Until then, fail. + */ + printk(KERN_WARNING "gs_setup: set_line_coding " + "unuspported\n"); break; case USB_CDC_REQ_GET_LINE_CODING: @@ -1713,11 +1711,18 @@ static int gs_setup_class(struct usb_gadget *gadget, break; case USB_CDC_REQ_SET_CONTROL_LINE_STATE: - ret = 0; + /* FIXME Submit req to read the data; have its completion + * handler use that to set the state (iff it's valid) and + * maybe pass it on. Until then, fail. + */ + printk(KERN_WARNING "gs_setup: set_control_line_state " + "unuspported\n"); break; default: - printk(KERN_ERR "gs_setup: unknown class request, type=%02x, request=%02x, value=%04x, index=%04x, length=%d\n", + printk(KERN_ERR "gs_setup: unknown class request, " + "type=%02x, request=%02x, value=%04x, " + "index=%04x, length=%d\n", ctrl->bRequestType, ctrl->bRequest, wValue, wIndex, wLength); break; |