usb/serial/wishbone-serial.c

1 // SPDX-License-Identifier: GPL-2.0+
3  * USB Wishbone-Serial adapter driver
12 #include <linux/usb.h>
13 #include <linux/usb/serial.h>
22 MODULE_DEVICE_TABLE(usb, id_table);
26  * This is necessary to restart the negotiation of Wishbone bus parameters.
28  * line can be driven low in the case that userspace failed to do so.
32 	struct usb_device *dev = port->serial->dev;  in usb_gsi_openclose()
36 		usb_sndctrlpipe(dev, 0), /* Send to EP0OUT */  in usb_gsi_openclose()
40 		port->serial->interface->cur_altsetting->desc.bInterfaceNumber,  in usb_gsi_openclose()
52 		dev_err(&port->serial->dev->dev,  in wishbone_serial_open()
88 MODULE_DESCRIPTION("USB Wishbone-Serial adapter");