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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-11-26 09:23:57 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-11-26 09:23:57 +1100
commit2a859ab07b6ab66f4134c4fffc341398bd3d328c (patch)
treec5e7eaf3bffbc18feb326940e39794328d98dc07 /drivers/usb/serial/oti6858.c
parentcedddd812a79a4fda3885a15711aee3de78c4a24 (diff)
parente716e014384688d1a50d1aa5213ee74748c6d4e0 (diff)
Merge branch 'merge' into next
Merge my own merge branch to get various fixes from there and upstream, especially the hvc console tty refcouting fixes which which testing is quite a bit harder...
Diffstat (limited to 'drivers/usb/serial/oti6858.c')
-rw-r--r--drivers/usb/serial/oti6858.c68
1 files changed, 28 insertions, 40 deletions
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 933241f03fd8..cee9a52ca891 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -137,8 +137,8 @@ static int oti6858_chars_in_buffer(struct tty_struct *tty);
static int oti6858_tiocmget(struct tty_struct *tty);
static int oti6858_tiocmset(struct tty_struct *tty,
unsigned int set, unsigned int clear);
-static int oti6858_startup(struct usb_serial *serial);
-static void oti6858_release(struct usb_serial *serial);
+static int oti6858_port_probe(struct usb_serial_port *port);
+static int oti6858_port_remove(struct usb_serial_port *port);
/* device info */
static struct usb_serial_driver oti6858_device = {
@@ -161,8 +161,8 @@ static struct usb_serial_driver oti6858_device = {
.write_bulk_callback = oti6858_write_bulk_callback,
.write_room = oti6858_write_room,
.chars_in_buffer = oti6858_chars_in_buffer,
- .attach = oti6858_startup,
- .release = oti6858_release,
+ .port_probe = oti6858_port_probe,
+ .port_remove = oti6858_port_remove,
};
static struct usb_serial_driver * const serial_drivers[] = {
@@ -331,36 +331,33 @@ static void send_data(struct work_struct *work)
usb_serial_port_softint(port);
}
-static int oti6858_startup(struct usb_serial *serial)
+static int oti6858_port_probe(struct usb_serial_port *port)
{
- struct usb_serial_port *port = serial->port[0];
struct oti6858_private *priv;
- int i;
-
- for (i = 0; i < serial->num_ports; ++i) {
- priv = kzalloc(sizeof(struct oti6858_private), GFP_KERNEL);
- if (!priv)
- break;
-
- spin_lock_init(&priv->lock);
- init_waitqueue_head(&priv->intr_wait);
-/* INIT_WORK(&priv->setup_work, setup_line, serial->port[i]); */
-/* INIT_WORK(&priv->write_work, send_data, serial->port[i]); */
- priv->port = port;
- INIT_DELAYED_WORK(&priv->delayed_setup_work, setup_line);
- INIT_DELAYED_WORK(&priv->delayed_write_work, send_data);
-
- usb_set_serial_port_data(serial->port[i], priv);
- }
- if (i == serial->num_ports)
- return 0;
- for (--i; i >= 0; --i) {
- priv = usb_get_serial_port_data(serial->port[i]);
- kfree(priv);
- usb_set_serial_port_data(serial->port[i], NULL);
- }
- return -ENOMEM;
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ spin_lock_init(&priv->lock);
+ init_waitqueue_head(&priv->intr_wait);
+ priv->port = port;
+ INIT_DELAYED_WORK(&priv->delayed_setup_work, setup_line);
+ INIT_DELAYED_WORK(&priv->delayed_write_work, send_data);
+
+ usb_set_serial_port_data(port, priv);
+
+ return 0;
+}
+
+static int oti6858_port_remove(struct usb_serial_port *port)
+{
+ struct oti6858_private *priv;
+
+ priv = usb_get_serial_port_data(port);
+ kfree(priv);
+
+ return 0;
}
static int oti6858_write(struct tty_struct *tty, struct usb_serial_port *port,
@@ -709,15 +706,6 @@ static int oti6858_ioctl(struct tty_struct *tty,
return -ENOIOCTLCMD;
}
-
-static void oti6858_release(struct usb_serial *serial)
-{
- int i;
-
- for (i = 0; i < serial->num_ports; ++i)
- kfree(usb_get_serial_port_data(serial->port[i]));
-}
-
static void oti6858_read_int_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;