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Subject[PATCH 1/1] USB-SERIAL : Changing usb_serial_generic_open prototype
Date
While designing a usb to uart converter driver open function I am using
usb_serial_generic_open, but wouldn't find need to pass tty as an argument.
As it is not performing any task for further significance.
So, This patch proposed a change in usb_serial_generic_open
function prototype which has struct tty_struct as a first argument.

usb_serial_generic_open(struct tty_struct *tty,
struct usb_serial_port *port);

Signed-off-by: Abhishek Bist <ishubist@gmail.com>
---
drivers/usb/serial/ark3116.c | 2 +-
drivers/usb/serial/belkin_sa.c | 2 +-
drivers/usb/serial/ch341.c | 2 +-
drivers/usb/serial/cp210x.c | 2 +-
drivers/usb/serial/f81232.c | 2 +-
drivers/usb/serial/ftdi_sio.c | 2 +-
drivers/usb/serial/generic.c | 2 +-
drivers/usb/serial/ipaq.c | 2 +-
drivers/usb/serial/ir-usb.c | 2 +-
drivers/usb/serial/kl5kusb105.c | 2 +-
drivers/usb/serial/omninet.c | 2 +-
drivers/usb/serial/opticon.c | 2 +-
drivers/usb/serial/pl2303.c | 2 +-
drivers/usb/serial/spcp8x5.c | 2 +-
drivers/usb/serial/ssu100.c | 2 +-
drivers/usb/serial/visor.c | 2 +-
drivers/usb/serial/whiteheat.c | 2 +-
drivers/usb/serial/wishbone-serial.c | 2 +-
include/linux/usb/serial.h | 3 +--
19 files changed, 19 insertions(+), 20 deletions(-)

diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 1532cde..663297a 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -361,7 +361,7 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port)
if (buf == NULL)
return -ENOMEM;

- result = usb_serial_generic_open(tty, port);
+ result = usb_serial_generic_open(port);
if (result) {
dev_dbg(&port->dev,
"%s - usb_serial_generic_open failed: %d\n",
diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index 15bc718..1925e1b 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -159,7 +159,7 @@ static int belkin_sa_open(struct tty_struct *tty,
return retval;
}

- retval = usb_serial_generic_open(tty, port);
+ retval = usb_serial_generic_open(port);
if (retval)
usb_kill_urb(port->interrupt_in_urb);

diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index c73808f..6893e65 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -328,7 +328,7 @@ static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port)
goto out;
}

- r = usb_serial_generic_open(tty, port);
+ r = usb_serial_generic_open(port);

out: return r;
}
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 84ce2d7..95fb901 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -467,7 +467,7 @@ static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port)
if (tty)
cp210x_change_speed(tty, port, NULL);

- return usb_serial_generic_open(tty, port);
+ return usb_serial_generic_open(port);
}

static void cp210x_close(struct usb_serial_port *port)
diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c
index 972f5a5..ad89623 100644
--- a/drivers/usb/serial/f81232.c
+++ b/drivers/usb/serial/f81232.c
@@ -549,7 +549,7 @@ static int f81232_open(struct tty_struct *tty, struct usb_serial_port *port)
return result;
}

- result = usb_serial_generic_open(tty, port);
+ result = usb_serial_generic_open(port);
if (result) {
usb_kill_urb(port->interrupt_in_urb);
return result;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 8eb68a3..9079b61 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1947,7 +1947,7 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
if (tty)
ftdi_set_termios(tty, port, NULL);

- return usb_serial_generic_open(tty, port);
+ return usb_serial_generic_open(port);
}

static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 54e170d..5917dea 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -77,7 +77,7 @@ void usb_serial_generic_deregister(void)
#endif
}

-int usb_serial_generic_open(struct tty_struct *tty, struct usb_serial_port *port)
+int usb_serial_generic_open(struct usb_serial_port *port)
{
int result = 0;
unsigned long flags;
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index f51a5d5..b0e50cf 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -546,7 +546,7 @@ static int ipaq_open(struct tty_struct *tty,
return result;
}

- return usb_serial_generic_open(tty, port);
+ return usb_serial_generic_open(port);
}

static int ipaq_calc_num_ports(struct usb_serial *serial)
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index 73956d4..718c3ba 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -260,7 +260,7 @@ static int ir_open(struct tty_struct *tty, struct usb_serial_port *port)
port->write_urbs[i]->transfer_flags = URB_ZERO_PACKET;

/* Start reading from the device */
- return usb_serial_generic_open(tty, port);
+ return usb_serial_generic_open(port);
}

static int ir_prepare_write_buffer(struct usb_serial_port *port,
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index e020ad2..06e2606 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -293,7 +293,7 @@ static int klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)
spin_unlock_irqrestore(&priv->lock, flags);

/* READ_ON and urb submission */
- rc = usb_serial_generic_open(tty, port);
+ rc = usb_serial_generic_open(port);
if (rc) {
retval = rc;
goto exit;
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index f6c6900..32146ac 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -135,7 +135,7 @@ static int omninet_open(struct tty_struct *tty, struct usb_serial_port *port)
wport = serial->port[1];
tty_port_tty_set(&wport->port, tty);

- return usb_serial_generic_open(tty, port);
+ return usb_serial_generic_open(port);
}

#define OMNINET_HEADERLEN 4
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 4b7bfb3..e42a792 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -141,7 +141,7 @@ static int opticon_open(struct tty_struct *tty, struct usb_serial_port *port)
/* clear the halt status of the endpoint */
usb_clear_halt(port->serial->dev, port->read_urb->pipe);

- res = usb_serial_generic_open(tty, port);
+ res = usb_serial_generic_open(port);
if (!res)
return res;

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 829604d..1b81aac 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -645,7 +645,7 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
return result;
}

- result = usb_serial_generic_open(tty, port);
+ result = usb_serial_generic_open(port);
if (result) {
usb_kill_urb(port->interrupt_in_urb);
return result;
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index ef0dbf0..51eb234 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -409,7 +409,7 @@ static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port)
if (tty)
spcp8x5_set_termios(tty, port, NULL);

- return usb_serial_generic_open(tty, port);
+ return usb_serial_generic_open(port);
}

static int spcp8x5_tiocmset(struct tty_struct *tty,
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index 70a098d..bc04ea3 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -310,7 +310,7 @@ static int ssu100_open(struct tty_struct *tty, struct usb_serial_port *port)
if (tty)
ssu100_set_termios(tty, port, &tty->termios);

- return usb_serial_generic_open(tty, port);
+ return usb_serial_generic_open(port);
}

static int get_serial_info(struct usb_serial_port *port,
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index bf2bd40..4ce5631 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -235,7 +235,7 @@ static int visor_open(struct tty_struct *tty, struct usb_serial_port *port)
}

/* Start reading from the device */
- result = usb_serial_generic_open(tty, port);
+ result = usb_serial_generic_open(port);
if (result)
goto exit;

diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 6c3734d..139e24d 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -385,7 +385,7 @@ static int whiteheat_open(struct tty_struct *tty, struct usb_serial_port *port)
usb_clear_halt(port->serial->dev, port->read_urb->pipe);
usb_clear_halt(port->serial->dev, port->write_urb->pipe);

- retval = usb_serial_generic_open(tty, port);
+ retval = usb_serial_generic_open(port);
if (retval) {
firm_close(port);
stop_command_port(port->serial);
diff --git a/drivers/usb/serial/wishbone-serial.c b/drivers/usb/serial/wishbone-serial.c
index 4fed4a0..07b1ba1 100644
--- a/drivers/usb/serial/wishbone-serial.c
+++ b/drivers/usb/serial/wishbone-serial.c
@@ -59,7 +59,7 @@ static int wishbone_serial_open(struct tty_struct *tty,
return retval;
}

- retval = usb_serial_generic_open(tty, port);
+ retval = usb_serial_generic_open(port);
if (retval)
usb_gsi_openclose(port, 0);

diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 704a1ab..c8ed44a 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -318,8 +318,7 @@ static inline void usb_serial_console_disconnect(struct usb_serial *serial) {}
/* Functions needed by other parts of the usbserial core */
extern struct usb_serial_port *usb_serial_port_get_by_minor(unsigned int minor);
extern void usb_serial_put(struct usb_serial *serial);
-extern int usb_serial_generic_open(struct tty_struct *tty,
- struct usb_serial_port *port);
+extern int usb_serial_generic_open(struct usb_serial_port *port);
extern int usb_serial_generic_write_start(struct usb_serial_port *port,
gfp_t mem_flags);
extern int usb_serial_generic_write(struct tty_struct *tty,
--
1.8.3.1


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