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authorJohan Hovold <jhovold@gmail.com>2013-05-05 20:32:29 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-16 17:32:22 -0700
commitc4133648bbce9e6b425a74cc890c8e4df51acaa9 (patch)
tree1c5186a72f66cdbacf7b6bd6e14da5fbe370edb2 /drivers/usb/serial/ftdi_sio.c
parentdcf0105039660e951dfea348d317043d17988dfc (diff)
USB: ftdi_sio: clean up get_modem_status
Use usb-serial port rather than tty as argument to get_modem_status. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
-rw-r--r--drivers/usb/serial/ftdi_sio.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 242b5776648..1159fd4cd94 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -925,7 +925,7 @@ static int ftdi_ioctl(struct tty_struct *tty,
unsigned int cmd, unsigned long arg);
static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
static int ftdi_chars_in_buffer(struct tty_struct *tty);
-static int ftdi_get_modem_status(struct tty_struct *tty,
+static int ftdi_get_modem_status(struct usb_serial_port *port,
unsigned char status[2]);
static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
@@ -2068,7 +2068,7 @@ static int ftdi_chars_in_buffer(struct tty_struct *tty)
goto out;
/* Check if hardware buffer is empty. */
- ret = ftdi_get_modem_status(tty, buf);
+ ret = ftdi_get_modem_status(port, buf);
if (ret == 2) {
if (!(buf[1] & FTDI_RS_TEMT))
chars = 1;
@@ -2268,10 +2268,9 @@ no_c_cflag_changes:
* Returns the number of status bytes retrieved (device dependant), or
* negative error code.
*/
-static int ftdi_get_modem_status(struct tty_struct *tty,
+static int ftdi_get_modem_status(struct usb_serial_port *port,
unsigned char status[2])
{
- struct usb_serial_port *port = tty->driver_data;
struct ftdi_private *priv = usb_get_serial_port_data(port);
unsigned char *buf;
int len;
@@ -2336,7 +2335,7 @@ static int ftdi_tiocmget(struct tty_struct *tty)
unsigned char buf[2];
int ret;
- ret = ftdi_get_modem_status(tty, buf);
+ ret = ftdi_get_modem_status(port, buf);
if (ret < 0)
return ret;