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Code Issues Releases Wiki Activity

USB: serial: mos7840: drop serial struct accessor

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Drop the helper used to retrieve the serial struct pointer from the port
structure.

Note that this helper was only used when the serial structure was
actually not needed.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2019-11-07 14:29:01 +01:00
parent 6d3471eded
commit 2d52f0763f
1 changed files with 0 additions and 30 deletions
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30
drivers/usb/serial/mos7840.c
View file

@ -446,19 +446,6 @@ static void mos7840_led_activity(struct usb_serial_port *port)
jiffies + msecs_to_jiffies(LED_ON_MS));
}
static struct usb_serial *mos7840_get_usb_serial(struct usb_serial_port *port,
const char *function)
{
/* if no port was specified */
if (!port) {
/* then say that we don't have a valid usb_serial thing,
* which will end up genrating -ENODEV return values */
return NULL;
}
return port->serial;
}
/*****************************************************************************
* mos7840_bulk_in_callback
* this is the callback function for when we have received data on the
@ -471,7 +458,6 @@ static void mos7840_bulk_in_callback(struct urb *urb)
struct usb_serial_port *port = mos7840_port->port;
int retval;
unsigned char *data;
struct usb_serial *serial;
int status = urb->status;
if (status) {
@ -480,12 +466,6 @@ static void mos7840_bulk_in_callback(struct urb *urb)
return;
}
serial = mos7840_get_usb_serial(port, __func__);
if (!serial) {
mos7840_port->read_urb_busy = false;
return;
}
data = urb->transfer_buffer;
usb_serial_debug_data(&port->dev, __func__, urb->actual_length, data);
@ -822,15 +802,10 @@ static int mos7840_chars_in_buffer(struct tty_struct *tty)
static void mos7840_close(struct usb_serial_port *port)
{
struct usb_serial *serial;
struct moschip_port *mos7840_port;
int j;
__u16 Data;
serial = mos7840_get_usb_serial(port, __func__);
if (!serial)
return;
mos7840_port = mos7840_get_port_private(port);
if (mos7840_port == NULL)
return;
@ -866,13 +841,8 @@ static void mos7840_break(struct tty_struct *tty, int break_state)
{
struct usb_serial_port *port = tty->driver_data;
unsigned char data;
struct usb_serial *serial;
struct moschip_port *mos7840_port;
serial = mos7840_get_usb_serial(port, __func__);
if (!serial)
return;
mos7840_port = mos7840_get_port_private(port);
if (mos7840_port == NULL)