xhci-dbgtty.c (dcaafbe6ee3b39f2df11a1352f85172f8ade17a5) xhci-dbgtty.c (95713967ba52389f7cea75704d0cf048080ec218)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * xhci-dbgtty.c - tty glue for xHCI debug capability
4 *
5 * Copyright (C) 2017 Intel Corporation
6 *
7 * Author: Lu Baolu <baolu.lu@linux.intel.com>
8 */

--- 194 unchanged lines hidden (view full) ---

203
204static void dbc_tty_close(struct tty_struct *tty, struct file *file)
205{
206 struct dbc_port *port = tty->driver_data;
207
208 tty_port_close(&port->port, tty, file);
209}
210
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * xhci-dbgtty.c - tty glue for xHCI debug capability
4 *
5 * Copyright (C) 2017 Intel Corporation
6 *
7 * Author: Lu Baolu <baolu.lu@linux.intel.com>
8 */

--- 194 unchanged lines hidden (view full) ---

203
204static void dbc_tty_close(struct tty_struct *tty, struct file *file)
205{
206 struct dbc_port *port = tty->driver_data;
207
208 tty_port_close(&port->port, tty, file);
209}
210
211static int dbc_tty_write(struct tty_struct *tty, const u8 *buf, int count)
211static ssize_t dbc_tty_write(struct tty_struct *tty, const u8 *buf,
212 size_t count)
212{
213 struct dbc_port *port = tty->driver_data;
214 unsigned long flags;
215
216 spin_lock_irqsave(&port->port_lock, flags);
217 if (count)
218 count = kfifo_in(&port->write_fifo, buf, count);
219 dbc_start_tx(port);

--- 361 unchanged lines hidden --- 		213{
214 struct dbc_port *port = tty->driver_data;
215 unsigned long flags;
216
217 spin_lock_irqsave(&port->port_lock, flags);
218 if (count)
219 count = kfifo_in(&port->write_fifo, buf, count);
220 dbc_start_tx(port);

--- 361 unchanged lines hidden ---