The following functions:
pl2303_write_room(), pl2303_chars_in_buffer(), pl2303_ioctl(),
wait_modem_info().
are not needed in the pl2303 Serial Core version, mostly because the Serial
Core implements them for us.
Signed-off-by: Luiz Fernando N. Capitulino <[EMAIL PROTECTED]>
---
drivers/usb/serial/pl2303.c | 92 -------------------------------------------
1 files changed, 0 insertions(+), 92 deletions(-)
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index f59892a..cf04ae0 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -130,8 +130,6 @@ #define UART_CTS 0x80
static void pl2303_set_mctrl(struct uart_port *port, unsigned int mctrl);
static unsigned int pl2303_get_mctrl(struct uart_port *port);
static void pl2303_start_tx(struct uart_port *port);
-static int pl2303_ioctl (struct usb_serial_port *port, struct file *file,
- unsigned int cmd, unsigned long arg);
static void pl2303_break(struct uart_port *port, int break_state);
static void pl2303_set_termios(struct uart_port *port,
struct termios *termios,
@@ -142,8 +140,6 @@ static void pl2303_read_int_callback (st
static void pl2303_read_bulk_callback (struct urb *urb, struct pt_regs *regs);
static void pl2303_write_bulk_callback (struct urb *urb, struct pt_regs *regs);
static void pl2303_send (struct usb_serial_port *port);
-static int pl2303_write_room(struct usb_serial_port *port);
-static int pl2303_chars_in_buffer(struct usb_serial_port *port);
static int pl2303_attach(struct usb_serial *serial);
static void pl2303_usb_shutdown(struct usb_serial *serial);
static struct pl2303_buf *pl2303_buf_alloc(unsigned int size);
@@ -178,12 +174,9 @@ static struct usb_serial_driver pl2303_d
.num_bulk_out = 1,
.num_ports = 1,
.uart_ops = &pl2303_uart_ops,
- .ioctl = pl2303_ioctl,
.read_bulk_callback = pl2303_read_bulk_callback,
.read_int_callback = pl2303_read_int_callback,
.write_bulk_callback = pl2303_write_bulk_callback,
- .write_room = pl2303_write_room,
- .chars_in_buffer = pl2303_chars_in_buffer,
.attach = pl2303_attach,
.shutdown = pl2303_usb_shutdown,
};
@@ -789,91 +782,6 @@ submit:
uart_write_wakeup(port);
}
-static int pl2303_write_room(struct usb_serial_port *port)
-{
- struct pl2303_private *priv = usb_get_serial_port_data(port);
- int room = 0;
- unsigned long flags;
-
- dbg("port %d", port->number);
-
- spin_lock_irqsave(&priv->lock, flags);
- room = pl2303_buf_space_avail(priv->buf);
- spin_unlock_irqrestore(&priv->lock, flags);
-
- dbg("returns %d", room);
- return room;
-}
-
-static int pl2303_chars_in_buffer(struct usb_serial_port *port)
-{
- struct pl2303_private *priv = usb_get_serial_port_data(port);
- int chars = 0;
- unsigned long flags;
-
- dbg("port %d", port->number);
-
- spin_lock_irqsave(&priv->lock, flags);
- chars = pl2303_buf_data_avail(priv->buf);
- spin_unlock_irqrestore(&priv->lock, flags);
-
- dbg("returns %d", chars);
- return chars;
-}
-
-static int wait_modem_info(struct usb_serial_port *port, unsigned int arg)
-{
- struct pl2303_private *priv = usb_get_serial_port_data(port);
- unsigned long flags;
- unsigned int prevstatus;
- unsigned int status;
- unsigned int changed;
-
- spin_lock_irqsave (&priv->lock, flags);
- prevstatus = priv->line_status;
- spin_unlock_irqrestore (&priv->lock, flags);
-
- while (1) {
- interruptible_sleep_on(&priv->delta_msr_wait);
- /* see if a signal did it */
- if (signal_pending(current))
- return -ERESTARTSYS;
-
- spin_lock_irqsave (&priv->lock, flags);
- status = priv->line_status;
- spin_unlock_irqrestore (&priv->lock, flags);
-
- changed=prevstatus^status;
-
- if (((arg & TIOCM_RNG) && (changed & UART_RING)) ||
- ((arg & TIOCM_DSR) && (changed & UART_DSR)) ||
- ((arg & TIOCM_CD) && (changed & UART_DCD)) ||
- ((arg & TIOCM_CTS) && (changed & UART_CTS)) ) {
- return 0;
- }
- prevstatus = status;
- }
- /* NOTREACHED */
- return 0;
-}
-
-static int pl2303_ioctl (struct usb_serial_port *port, struct file *file,
unsigned int cmd, unsigned long arg)
-{
- dbg("(%d) cmd = 0x%04x", port->number, cmd);
-
- switch (cmd) {
- case TIOCMIWAIT:
- dbg("(%d) TIOCMIWAIT", port->number);
- return wait_modem_info(port, arg);
-
- default:
- dbg("not supported = 0x%04x", cmd);
- break;
- }
-
- return -ENOIOCTLCMD;
-}
-
static void pl2303_usb_shutdown(struct usb_serial *serial)
{
int i;
--
1.3.3.g0825d
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