Commit cf2c7481 authored by Pete Zaitcev's avatar Pete Zaitcev Committed by Greg Kroah-Hartman

[PATCH] USB serial: encapsulate schedule_work, remove double-calling

I'm going to throw schedule_work away, it's retarded. But for starters,
let's have it encapsulated.

Also, generic and whiteheat were both calling usb_serial_port_softint
and scheduled work. Only one was necessary.
Signed-off-by: default avatarPete Zaitcev <zaitcev@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent ad93375a
......@@ -469,7 +469,7 @@ static void cyberjack_write_bulk_callback (struct urb *urb, struct pt_regs *regs
exit:
spin_unlock(&priv->lock);
schedule_work(&port->work);
usb_serial_port_softint(port);
}
static int __init cyberjack_init (void)
......
......@@ -824,7 +824,7 @@ static void cypress_send(struct usb_serial_port *port)
priv->bytes_out += count; /* do not count the line control and size bytes */
spin_unlock_irqrestore(&priv->lock, flags);
schedule_work(&port->work);
usb_serial_port_softint(port);
} /* cypress_send */
......
......@@ -335,7 +335,7 @@ static void empeg_write_bulk_callback (struct urb *urb, struct pt_regs *regs)
return;
}
schedule_work(&port->work);
usb_serial_port_softint(port);
}
......
......@@ -1472,7 +1472,7 @@ static void ftdi_write_bulk_callback (struct urb *urb, struct pt_regs *regs)
return;
}
schedule_work(&port->work);
usb_serial_port_softint(port);
} /* ftdi_write_bulk_callback */
......
......@@ -1012,7 +1012,7 @@ static void garmin_write_bulk_callback (struct urb *urb, struct pt_regs *regs)
garmin_data_p->flags |= CLEAR_HALT_REQUIRED;
}
schedule_work(&port->work);
usb_serial_port_softint(port);
}
......
......@@ -299,9 +299,7 @@ void usb_serial_generic_write_bulk_callback (struct urb *urb, struct pt_regs *re
return;
}
usb_serial_port_softint((void *)port);
schedule_work(&port->work);
usb_serial_port_softint(port);
}
EXPORT_SYMBOL_GPL(usb_serial_generic_write_bulk_callback);
......
......@@ -870,7 +870,7 @@ static void ipaq_write_bulk_callback(struct urb *urb, struct pt_regs *regs)
spin_unlock_irqrestore(&write_list_lock, flags);
}
schedule_work(&port->work);
usb_serial_port_softint(port);
}
static int ipaq_write_room(struct usb_serial_port *port)
......
......@@ -376,7 +376,7 @@ static void ipw_write_bulk_callback(struct urb *urb, struct pt_regs *regs)
if (urb->status)
dbg("%s - nonzero write bulk status received: %d", __FUNCTION__, urb->status);
schedule_work(&port->work);
usb_serial_port_softint(port);
}
static int ipw_write(struct usb_serial_port *port, const unsigned char *buf, int count)
......
......@@ -408,7 +408,7 @@ static void ir_write_bulk_callback (struct urb *urb, struct pt_regs *regs)
urb->actual_length,
urb->transfer_buffer);
schedule_work(&port->work);
usb_serial_port_softint(port);
}
static void ir_read_bulk_callback (struct urb *urb, struct pt_regs *regs)
......
......@@ -481,7 +481,7 @@ static void usa2x_outdat_callback(struct urb *urb, struct pt_regs *regs)
dbg ("%s - urb %d", __FUNCTION__, urb == p_priv->out_urbs[1]);
if (port->open_count)
schedule_work(&port->work);
usb_serial_port_softint(port);
}
static void usa26_inack_callback(struct urb *urb, struct pt_regs *regs)
......
......@@ -569,8 +569,7 @@ static void klsi_105_write_bulk_callback ( struct urb *urb, struct pt_regs *regs
return;
}
/* from generic_write_bulk_callback */
schedule_work(&port->work);
usb_serial_port_softint(port);
} /* klsi_105_write_bulk_completion_callback */
......
......@@ -320,7 +320,7 @@ static void omninet_write_bulk_callback (struct urb *urb, struct pt_regs *regs)
return;
}
schedule_work(&port->work);
usb_serial_port_softint(port);
}
......
......@@ -365,8 +365,7 @@ static void option_outdat_callback(struct urb *urb, struct pt_regs *regs)
port = (struct usb_serial_port *) urb->context;
if (port->open_count)
schedule_work(&port->work);
usb_serial_port_softint(port);
}
static void option_instat_callback(struct urb *urb, struct pt_regs *regs)
......
......@@ -314,7 +314,7 @@ static void pl2303_send(struct usb_serial_port *port)
// TODO: reschedule pl2303_send
}
schedule_work(&port->work);
usb_serial_port_softint(port);
}
static int pl2303_write_room(struct usb_serial_port *port)
......
......@@ -531,7 +531,17 @@ static int serial_tiocmset (struct tty_struct *tty, struct file *file,
return -EINVAL;
}
void usb_serial_port_softint(void *private)
/*
* We would be calling tty_wakeup here, but unfortunately some line
* disciplines have an annoying habit of calling tty->write from
* the write wakeup callback (e.g. n_hdlc.c).
*/
void usb_serial_port_softint(struct usb_serial_port *port)
{
schedule_work(&port->work);
}
static void usb_serial_port_work(void *private)
{
struct usb_serial_port *port = private;
struct tty_struct *tty;
......@@ -794,7 +804,7 @@ int usb_serial_probe(struct usb_interface *interface,
port->serial = serial;
spin_lock_init(&port->lock);
mutex_init(&port->mutex);
INIT_WORK(&port->work, usb_serial_port_softint, port);
INIT_WORK(&port->work, usb_serial_port_work, port);
serial->port[i] = port;
}
......
......@@ -236,7 +236,7 @@ struct usb_serial_driver {
extern int usb_serial_register(struct usb_serial_driver *driver);
extern void usb_serial_deregister(struct usb_serial_driver *driver);
extern void usb_serial_port_softint(void *private);
extern void usb_serial_port_softint(struct usb_serial_port *port);
extern int usb_serial_probe(struct usb_interface *iface, const struct usb_device_id *id);
extern void usb_serial_disconnect(struct usb_interface *iface);
......
......@@ -480,7 +480,7 @@ static void visor_write_bulk_callback (struct urb *urb, struct pt_regs *regs)
--priv->outstanding_urbs;
spin_unlock_irqrestore(&priv->lock, flags);
schedule_work(&port->work);
usb_serial_port_softint(port);
}
......
......@@ -1089,9 +1089,7 @@ static void whiteheat_write_callback(struct urb *urb, struct pt_regs *regs)
return;
}
usb_serial_port_softint((void *)port);
schedule_work(&port->work);
usb_serial_port_softint(port);
}
......
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