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path: root/drivers/usb/serial/io_edgeport.c
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Diffstat (limited to 'drivers/usb/serial/io_edgeport.c')
-rw-r--r--drivers/usb/serial/io_edgeport.c54
1 files changed, 29 insertions, 25 deletions
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 8e6faaf..5acc0d1 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -225,6 +225,8 @@ static int edge_get_icount(struct tty_struct *tty,
static int edge_startup(struct usb_serial *serial);
static void edge_disconnect(struct usb_serial *serial);
static void edge_release(struct usb_serial *serial);
+static int edge_port_probe(struct usb_serial_port *port);
+static int edge_port_remove(struct usb_serial_port *port);
#include "io_tables.h" /* all of the devices that this driver supports */
@@ -2875,10 +2877,9 @@ static void load_application_firmware(struct edgeport_serial *edge_serial)
static int edge_startup(struct usb_serial *serial)
{
struct edgeport_serial *edge_serial;
- struct edgeport_port *edge_port;
struct usb_device *dev;
struct device *ddev = &serial->dev->dev;
- int i, j;
+ int i;
int response;
bool interrupt_in_found;
bool bulk_in_found;
@@ -2961,25 +2962,6 @@ static int edge_startup(struct usb_serial *serial)
/* we set up the pointers to the endpoints in the edge_open function,
* as the structures aren't created yet. */
- /* set up our port private structures */
- for (i = 0; i < serial->num_ports; ++i) {
- edge_port = kzalloc(sizeof(struct edgeport_port), GFP_KERNEL);
- if (edge_port == NULL) {
- dev_err(ddev, "%s - Out of memory\n", __func__);
- for (j = 0; j < i; ++j) {
- kfree(usb_get_serial_port_data(serial->port[j]));
- usb_set_serial_port_data(serial->port[j],
- NULL);
- }
- usb_set_serial_data(serial, NULL);
- kfree(edge_serial);
- return -ENOMEM;
- }
- spin_lock_init(&edge_port->ep_lock);
- edge_port->port = serial->port[i];
- usb_set_serial_port_data(serial->port[i], edge_port);
- }
-
response = 0;
if (edge_serial->is_epic) {
@@ -3120,14 +3102,36 @@ static void edge_disconnect(struct usb_serial *serial)
static void edge_release(struct usb_serial *serial)
{
struct edgeport_serial *edge_serial = usb_get_serial_data(serial);
- int i;
-
- for (i = 0; i < serial->num_ports; ++i)
- kfree(usb_get_serial_port_data(serial->port[i]));
kfree(edge_serial);
}
+static int edge_port_probe(struct usb_serial_port *port)
+{
+ struct edgeport_port *edge_port;
+
+ edge_port = kzalloc(sizeof(*edge_port), GFP_KERNEL);
+ if (!edge_port)
+ return -ENOMEM;
+
+ spin_lock_init(&edge_port->ep_lock);
+ edge_port->port = port;
+
+ usb_set_serial_port_data(port, edge_port);
+
+ return 0;
+}
+
+static int edge_port_remove(struct usb_serial_port *port)
+{
+ struct edgeport_port *edge_port;
+
+ edge_port = usb_get_serial_port_data(port);
+ kfree(edge_port);
+
+ return 0;
+}
+
module_usb_serial_driver(serial_drivers, id_table_combined);
MODULE_AUTHOR(DRIVER_AUTHOR);
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