#define gs_dprintk(f, str...) /* nothing */
#endif
-#define func_enter() gs_dprintk (GS_DEBUG_FLOW, "gs: enter %s\n", __FUNCTION__)
-#define func_exit() gs_dprintk (GS_DEBUG_FLOW, "gs: exit %s\n", __FUNCTION__)
+#define func_enter() gs_dprintk (GS_DEBUG_FLOW, "gs: enter %s\n", __func__)
+#define func_exit() gs_dprintk (GS_DEBUG_FLOW, "gs: exit %s\n", __func__)
#define RS_EVENT_WRITE_WAKEUP 1
module_param(gs_debug, int, 0644);
-void gs_put_char(struct tty_struct * tty, unsigned char ch)
+int gs_put_char(struct tty_struct * tty, unsigned char ch)
{
struct gs_port *port;
func_enter ();
- if (!tty) return;
+ if (!tty) return 0;
port = tty->driver_data;
- if (!port) return;
+ if (!port) return 0;
- if (! (port->flags & ASYNC_INITIALIZED)) return;
+ if (! (port->flags & ASYNC_INITIALIZED)) return 0;
/* Take a lock on the serial tranmit buffer! */
mutex_lock(& port->port_write_mutex);
if (port->xmit_cnt >= SERIAL_XMIT_SIZE - 1) {
/* Sorry, buffer is full, drop character. Update statistics???? -- REW */
mutex_unlock(&port->port_write_mutex);
- return;
+ return 0;
}
port->xmit_buf[port->xmit_head++] = ch;
mutex_unlock(&port->port_write_mutex);
func_exit ();
+ return 1;
}
port->flags &= ~GS_ACTIVE;
- if (tty->driver->flush_buffer)
- tty->driver->flush_buffer(tty);
+ gs_flush_buffer(tty);
tty_ldisc_flush(tty);
tty->closing = 0;