diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-14 01:30:31 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-14 01:30:31 +0200 |
commit | 92931d243b5cafa23de2d693342966bb9133cdbc (patch) | |
tree | d79d3d846cbceced7a85575985ef9f09a25615d1 /drivers/usb/serial/usb-serial.c | |
parent | USB: serial: core: remove some trace debugging calls (diff) | |
download | linux-92931d243b5cafa23de2d693342966bb9133cdbc.tar.xz linux-92931d243b5cafa23de2d693342966bb9133cdbc.zip |
USB: serial: core: clean up dbg and printk usage.
This cleans up the usb-serial module to remove all old usages of dbg()
and "raw" printk() calls for error reporting (there are some info
messages left for now.)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
-rw-r--r-- | drivers/usb/serial/usb-serial.c | 146 |
1 files changed, 69 insertions, 77 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 5dd48f378a20..8a9352b2c26f 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -17,6 +17,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/errno.h> #include <linux/init.h> @@ -87,7 +89,7 @@ static struct usb_serial *get_free_serial(struct usb_serial *serial, unsigned int i, j; int good_spot; - dbg("%s %d", __func__, num_ports); + dev_dbg(&serial->interface->dev, "%s %d\n", __func__, num_ports); *minor = 0; mutex_lock(&table_lock); @@ -107,7 +109,7 @@ static struct usb_serial *get_free_serial(struct usb_serial *serial, *minor = i; j = 0; - dbg("%s - minor base = %d", __func__, *minor); + dev_dbg(&serial->interface->dev, "%s - minor base = %d\n", __func__, *minor); for (i = *minor; (i < (*minor + num_ports)) && (i < SERIAL_TTY_MINORS); ++i) { serial_table[i] = serial; serial->port[j++]->number = i; @@ -137,8 +139,6 @@ static void destroy_serial(struct kref *kref) serial = to_usb_serial(kref); - dbg("%s - %s", __func__, serial->type->description); - /* return the minor range that this device had */ if (serial->minor != SERIAL_TTY_NO_MINOR) return_serial(serial); @@ -252,7 +252,7 @@ static int serial_open(struct tty_struct *tty, struct file *filp) { struct usb_serial_port *port = tty->driver_data; - dbg("%s - port %d", __func__, port->number); + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); return tty_port_open(&port->port, tty, filp); } @@ -283,14 +283,16 @@ static void serial_down(struct tty_port *tport) static void serial_hangup(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - dbg("%s - port %d", __func__, port->number); + + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); tty_port_hangup(&port->port); } static void serial_close(struct tty_struct *tty, struct file *filp) { struct usb_serial_port *port = tty->driver_data; - dbg("%s - port %d", __func__, port->number); + + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); tty_port_close(&port->port, tty, filp); } @@ -316,7 +318,7 @@ static void serial_cleanup(struct tty_struct *tty) if (port->port.console) return; - dbg("%s - port %d", __func__, port->number); + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); tty->driver_data = NULL; @@ -341,7 +343,8 @@ static int serial_write(struct tty_struct *tty, const unsigned char *buf, if (port->serial->dev->state == USB_STATE_NOTATTACHED) goto exit; - dbg("%s - port %d, %d byte(s)", __func__, port->number, count); + dev_dbg(tty->dev, "%s - port %d, %d byte(s)\n", __func__, + port->number, count); /* pass on to the driver specific version of this function */ retval = port->serial->type->write(tty, port, buf, count); @@ -354,7 +357,8 @@ exit: static int serial_write_room(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - dbg("%s - port %d", __func__, port->number); + + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); /* pass on to the driver specific version of this function */ return port->serial->type->write_room(tty); } @@ -362,7 +366,8 @@ static int serial_write_room(struct tty_struct *tty) static int serial_chars_in_buffer(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - dbg("%s - port %d", __func__, port->number); + + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); /* if the device was unplugged then any remaining characters fell out of the connector ;) */ @@ -375,7 +380,8 @@ static int serial_chars_in_buffer(struct tty_struct *tty) static void serial_throttle(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - dbg("%s - port %d", __func__, port->number); + + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); /* pass on to the driver specific version of this function */ if (port->serial->type->throttle) @@ -385,7 +391,8 @@ static void serial_throttle(struct tty_struct *tty) static void serial_unthrottle(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - dbg("%s - port %d", __func__, port->number); + + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); /* pass on to the driver specific version of this function */ if (port->serial->type->unthrottle) @@ -398,7 +405,8 @@ static int serial_ioctl(struct tty_struct *tty, struct usb_serial_port *port = tty->driver_data; int retval = -ENODEV; - dbg("%s - port %d, cmd 0x%.4x", __func__, port->number, cmd); + dev_dbg(tty->dev, "%s - port %d, cmd 0x%.4x\n", __func__, + port->number, cmd); /* pass on to the driver specific version of this function if it is available */ @@ -412,7 +420,8 @@ static int serial_ioctl(struct tty_struct *tty, static void serial_set_termios(struct tty_struct *tty, struct ktermios *old) { struct usb_serial_port *port = tty->driver_data; - dbg("%s - port %d", __func__, port->number); + + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); /* pass on to the driver specific version of this function if it is available */ @@ -426,7 +435,7 @@ static int serial_break(struct tty_struct *tty, int break_state) { struct usb_serial_port *port = tty->driver_data; - dbg("%s - port %d", __func__, port->number); + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); /* pass on to the driver specific version of this function if it is available */ @@ -485,7 +494,7 @@ static int serial_tiocmget(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - dbg("%s - port %d", __func__, port->number); + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); if (port->serial->type->tiocmget) return port->serial->type->tiocmget(tty); @@ -497,7 +506,7 @@ static int serial_tiocmset(struct tty_struct *tty, { struct usb_serial_port *port = tty->driver_data; - dbg("%s - port %d", __func__, port->number); + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); if (port->serial->type->tiocmset) return port->serial->type->tiocmset(tty, set, clear); @@ -509,7 +518,7 @@ static int serial_get_icount(struct tty_struct *tty, { struct usb_serial_port *port = tty->driver_data; - dbg("%s - port %d", __func__, port->number); + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); if (port->serial->type->get_icount) return port->serial->type->get_icount(tty, icount); @@ -533,12 +542,12 @@ static void usb_serial_port_work(struct work_struct *work) container_of(work, struct usb_serial_port, work); struct tty_struct *tty; - dbg("%s - port %d", __func__, port->number); - tty = tty_port_tty_get(&port->port); if (!tty) return; + dev_dbg(tty->dev, "%s - port %d\n", __func__, port->number); + tty_wakeup(tty); tty_kref_put(tty); } @@ -571,7 +580,7 @@ static void port_release(struct device *dev) struct usb_serial_port *port = to_usb_serial_port(dev); int i; - dbg ("%s - %s", __func__, dev_name(dev)); + dev_dbg(dev, "%s\n", __func__); /* * Stop all the traffic before cancelling the work, so that @@ -640,12 +649,12 @@ static const struct usb_device_id *get_iface_id(struct usb_serial_driver *drv, id = usb_match_id(intf, drv->id_table); if (id) { - dbg("static descriptor matches"); + dev_dbg(&intf->dev, "static descriptor matches\n"); goto exit; } id = match_dynamic_id(intf, drv); if (id) - dbg("dynamic descriptor matches"); + dev_dbg(&intf->dev, "dynamic descriptor matches\n"); exit: return id; } @@ -699,6 +708,7 @@ static const struct tty_port_operations serial_port_ops = { static int usb_serial_probe(struct usb_interface *interface, const struct usb_device_id *id) { + struct device *ddev = &interface->dev; struct usb_device *dev = interface_to_usbdev(interface); struct usb_serial *serial = NULL; struct usb_serial_port *port; @@ -725,13 +735,13 @@ static int usb_serial_probe(struct usb_interface *interface, type = search_serial_device(interface); if (!type) { mutex_unlock(&table_lock); - dbg("none matched"); + dev_dbg(ddev, "none matched\n"); return -ENODEV; } if (!try_module_get(type->driver.owner)) { mutex_unlock(&table_lock); - dev_err(&interface->dev, "module get failed, exiting\n"); + dev_err(ddev, "module get failed, exiting\n"); return -EIO; } mutex_unlock(&table_lock); @@ -739,7 +749,7 @@ static int usb_serial_probe(struct usb_interface *interface, serial = create_serial(dev, interface, type); if (!serial) { module_put(type->driver.owner); - dev_err(&interface->dev, "%s - out of memory\n", __func__); + dev_err(ddev, "%s - out of memory\n", __func__); return -ENOMEM; } @@ -751,7 +761,7 @@ static int usb_serial_probe(struct usb_interface *interface, retval = type->probe(serial, id); if (retval) { - dbg("sub driver rejected device"); + dev_dbg(ddev, "sub driver rejected device\n"); usb_serial_put(serial); module_put(type->driver.owner); return retval; @@ -766,28 +776,28 @@ static int usb_serial_probe(struct usb_interface *interface, if (usb_endpoint_is_bulk_in(endpoint)) { /* we found a bulk in endpoint */ - dbg("found bulk in on endpoint %d", i); + dev_dbg(ddev, "found bulk in on endpoint %d\n", i); bulk_in_endpoint[num_bulk_in] = endpoint; ++num_bulk_in; } if (usb_endpoint_is_bulk_out(endpoint)) { /* we found a bulk out endpoint */ - dbg("found bulk out on endpoint %d", i); + dev_dbg(ddev, "found bulk out on endpoint %d\n", i); bulk_out_endpoint[num_bulk_out] = endpoint; ++num_bulk_out; } if (usb_endpoint_is_int_in(endpoint)) { /* we found a interrupt in endpoint */ - dbg("found interrupt in on endpoint %d", i); + dev_dbg(ddev, "found interrupt in on endpoint %d\n", i); interrupt_in_endpoint[num_interrupt_in] = endpoint; ++num_interrupt_in; } if (usb_endpoint_is_int_out(endpoint)) { /* we found an interrupt out endpoint */ - dbg("found interrupt out on endpoint %d", i); + dev_dbg(ddev, "found interrupt out on endpoint %d\n", i); interrupt_out_endpoint[num_interrupt_out] = endpoint; ++num_interrupt_out; } @@ -811,7 +821,7 @@ static int usb_serial_probe(struct usb_interface *interface, endpoint = &iface_desc->endpoint[i].desc; if (usb_endpoint_is_int_in(endpoint)) { /* we found a interrupt in endpoint */ - dbg("found interrupt in for Prolific device on separate interface"); + dev_dbg(ddev, "found interrupt in for Prolific device on separate interface\n"); interrupt_in_endpoint[num_interrupt_in] = endpoint; ++num_interrupt_in; } @@ -823,7 +833,7 @@ static int usb_serial_probe(struct usb_interface *interface, * properly during a later invocation of usb_serial_probe */ if (num_bulk_in == 0 || num_bulk_out == 0) { - dev_info(&interface->dev, "PL-2303 hack: descriptors matched but endpoints did not\n"); + dev_info(ddev, "PL-2303 hack: descriptors matched but endpoints did not\n"); usb_serial_put(serial); module_put(type->driver.owner); return -ENODEV; @@ -836,14 +846,13 @@ static int usb_serial_probe(struct usb_interface *interface, if (type == &usb_serial_generic_device) { num_ports = num_bulk_out; if (num_ports == 0) { - dev_err(&interface->dev, - "Generic device with no bulk out, not allowed.\n"); + dev_err(ddev, "Generic device with no bulk out, not allowed.\n"); usb_serial_put(serial); module_put(type->driver.owner); return -EIO; } - dev_info(&interface->dev, "The \"generic\" usb-serial driver is only for testing and one-off prototypes.\n"); - dev_info(&interface->dev, "Tell linux-usb@vger.kernel.org to add your device to a proper driver.\n"); + dev_info(ddev, "The \"generic\" usb-serial driver is only for testing and one-off prototypes.\n"); + dev_info(ddev, "Tell linux-usb@vger.kernel.org to add your device to a proper driver.\n"); } #endif if (!num_ports) { @@ -861,8 +870,7 @@ static int usb_serial_probe(struct usb_interface *interface, serial->num_interrupt_out = num_interrupt_out; /* found all that we need */ - dev_info(&interface->dev, "%s converter detected\n", - type->description); + dev_info(ddev, "%s converter detected\n", type->description); /* create our ports, we need as many as the max endpoints */ /* we don't use num_ports here because some devices have more @@ -873,8 +881,7 @@ static int usb_serial_probe(struct usb_interface *interface, max_endpoints = max(max_endpoints, (int)serial->num_ports); serial->num_port_pointers = max_endpoints; - dbg("%s - setting up %d port structures for this device", - __func__, max_endpoints); + dev_dbg(ddev, "setting up %d port structures for this device", max_endpoints); for (i = 0; i < max_endpoints; ++i) { port = kzalloc(sizeof(struct usb_serial_port), GFP_KERNEL); if (!port) @@ -907,15 +914,13 @@ static int usb_serial_probe(struct usb_interface *interface, set_bit(j, &port->read_urbs_free); port->read_urbs[j] = usb_alloc_urb(0, GFP_KERNEL); if (!port->read_urbs[j]) { - dev_err(&interface->dev, - "No free urbs available\n"); + dev_err(ddev, "No free urbs available\n"); goto probe_error; } port->bulk_in_buffers[j] = kmalloc(buffer_size, GFP_KERNEL); if (!port->bulk_in_buffers[j]) { - dev_err(&interface->dev, - "Couldn't allocate bulk_in_buffer\n"); + dev_err(ddev, "Couldn't allocate bulk_in_buffer\n"); goto probe_error; } usb_fill_bulk_urb(port->read_urbs[j], dev, @@ -945,15 +950,13 @@ static int usb_serial_probe(struct usb_interface *interface, set_bit(j, &port->write_urbs_free); port->write_urbs[j] = usb_alloc_urb(0, GFP_KERNEL); if (!port->write_urbs[j]) { - dev_err(&interface->dev, - "No free urbs available\n"); + dev_err(ddev, "No free urbs available\n"); goto probe_error; } port->bulk_out_buffers[j] = kmalloc(buffer_size, GFP_KERNEL); if (!port->bulk_out_buffers[j]) { - dev_err(&interface->dev, - "Couldn't allocate bulk_out_buffer\n"); + dev_err(ddev, "Couldn't allocate bulk_out_buffer\n"); goto probe_error; } usb_fill_bulk_urb(port->write_urbs[j], dev, @@ -974,8 +977,7 @@ static int usb_serial_probe(struct usb_interface *interface, port = serial->port[i]; port->interrupt_in_urb = usb_alloc_urb(0, GFP_KERNEL); if (!port->interrupt_in_urb) { - dev_err(&interface->dev, - "No free urbs available\n"); + dev_err(ddev, "No free urbs available\n"); goto probe_error; } buffer_size = usb_endpoint_maxp(endpoint); @@ -984,8 +986,7 @@ static int usb_serial_probe(struct usb_interface *interface, port->interrupt_in_buffer = kmalloc(buffer_size, GFP_KERNEL); if (!port->interrupt_in_buffer) { - dev_err(&interface->dev, - "Couldn't allocate interrupt_in_buffer\n"); + dev_err(ddev, "Couldn't allocate interrupt_in_buffer\n"); goto probe_error; } usb_fill_int_urb(port->interrupt_in_urb, dev, @@ -996,7 +997,7 @@ static int usb_serial_probe(struct usb_interface *interface, endpoint->bInterval); } } else if (num_interrupt_in) { - dbg("the device claims to support interrupt in transfers, but read_int_callback is not defined"); + dev_dbg(ddev, "The device claims to support interrupt in transfers, but read_int_callback is not defined\n"); } if (serial->type->write_int_callback) { @@ -1005,8 +1006,7 @@ static int usb_serial_probe(struct usb_interface *interface, port = serial->port[i]; port->interrupt_out_urb = usb_alloc_urb(0, GFP_KERNEL); if (!port->interrupt_out_urb) { - dev_err(&interface->dev, - "No free urbs available\n"); + dev_err(ddev, "No free urbs available\n"); goto probe_error; } buffer_size = usb_endpoint_maxp(endpoint); @@ -1016,8 +1016,7 @@ static int usb_serial_probe(struct usb_interface *interface, port->interrupt_out_buffer = kmalloc(buffer_size, GFP_KERNEL); if (!port->interrupt_out_buffer) { - dev_err(&interface->dev, - "Couldn't allocate interrupt_out_buffer\n"); + dev_err(ddev, "Couldn't allocate interrupt_out_buffer\n"); goto probe_error; } usb_fill_int_urb(port->interrupt_out_urb, dev, @@ -1028,7 +1027,7 @@ static int usb_serial_probe(struct usb_interface *interface, endpoint->bInterval); } } else if (num_interrupt_out) { - dbg("the device claims to support interrupt out transfers, but write_int_callback is not defined"); + dev_dbg(ddev, "The device claims to support interrupt out transfers, but write_int_callback is not defined\n"); } usb_set_intfdata(interface, serial); @@ -1056,7 +1055,7 @@ static int usb_serial_probe(struct usb_interface *interface, serial->disconnected = 1; if (get_free_serial(serial, num_ports, &minor) == NULL) { - dev_err(&interface->dev, "No more free serial devices\n"); + dev_err(ddev, "No more free serial devices\n"); goto probe_error; } serial->minor = minor; @@ -1065,13 +1064,12 @@ static int usb_serial_probe(struct usb_interface *interface, for (i = 0; i < num_ports; ++i) { port = serial->port[i]; dev_set_name(&port->dev, "ttyUSB%d", port->number); - dbg ("%s - registering %s", __func__, dev_name(&port->dev)); + dev_dbg(ddev, "registering %s", dev_name(&port->dev)); device_enable_async_suspend(&port->dev); retval = device_add(&port->dev); if (retval) - dev_err(&port->dev, "Error registering port device, " - "continuing\n"); + dev_err(ddev, "Error registering port device, continuing\n"); } serial->disconnected = 0; @@ -1229,8 +1227,7 @@ static int __init usb_serial_init(void) result = bus_register(&usb_serial_bus_type); if (result) { - printk(KERN_ERR "usb-serial: %s - registering bus driver " - "failed\n", __func__); + pr_err("%s - registering bus driver failed\n", __func__); goto exit_bus; } @@ -1250,24 +1247,21 @@ static int __init usb_serial_init(void) tty_set_operations(usb_serial_tty_driver, &serial_ops); result = tty_register_driver(usb_serial_tty_driver); if (result) { - printk(KERN_ERR "usb-serial: %s - tty_register_driver failed\n", - __func__); + pr_err("%s - tty_register_driver failed\n", __func__); goto exit_reg_driver; } /* register the USB driver */ result = usb_register(&usb_serial_driver); if (result < 0) { - printk(KERN_ERR "usb-serial: %s - usb_register failed\n", - __func__); + pr_err("%s - usb_register failed\n", __func__); goto exit_tty; } /* register the generic driver, if we should */ result = usb_serial_generic_register(debug); if (result < 0) { - printk(KERN_ERR "usb-serial: %s - registering generic " - "driver failed\n", __func__); + pr_err("%s - registering generic driver failed\n", __func__); goto exit_generic; } @@ -1285,8 +1279,7 @@ exit_reg_driver: bus_unregister(&usb_serial_bus_type); exit_bus: - printk(KERN_ERR "usb-serial: %s - returning with error %d\n", - __func__, result); + pr_err("%s - returning with error %d\n", __func__, result); put_tty_driver(usb_serial_tty_driver); return result; } @@ -1312,7 +1305,7 @@ module_exit(usb_serial_exit); do { \ if (!type->function) { \ type->function = usb_serial_generic_##function; \ - dbg("Had to override the " #function \ + pr_debug("Had to override the " #function \ " usb serial operation with the generic one.");\ } \ } while (0) @@ -1355,8 +1348,7 @@ static int usb_serial_register(struct usb_serial_driver *driver) retval = usb_serial_bus_register(driver); if (retval) { - printk(KERN_ERR "usb-serial: problem %d when registering " - "driver %s\n", retval, driver->description); + pr_err("problem %d when registering driver %s\n", retval, driver->description); list_del(&driver->driver_list); } else printk(KERN_INFO "USB Serial support registered for %s\n", |