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authorJohan Hovold <johan@kernel.org>2017-03-02 12:51:26 +0100
committerJohan Hovold <johan@kernel.org>2017-03-16 10:33:44 +0100
commit35194572b4ede8b021d4c70c8785cd4d5c3fae0a (patch)
treea63617e299d5963657d758cefc365e939b9f45ac /drivers/usb/serial/kobil_sct.c
parentb714d5dc0631285d2cf237c1d4ed16ba9b68c6fb (diff)
USB: serial: kobil_sct: simplify endpoint check
Simplify the endpoint sanity check by letting core verify that the required endpoints are present. Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial/kobil_sct.c')
-rw-r--r--drivers/usb/serial/kobil_sct.c13
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 813035f51fe7..3024b9b25360 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -51,7 +51,6 @@
/* Function prototypes */
-static int kobil_attach(struct usb_serial *serial);
static int kobil_port_probe(struct usb_serial_port *probe);
static int kobil_port_remove(struct usb_serial_port *probe);
static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port);
@@ -87,7 +86,7 @@ static struct usb_serial_driver kobil_device = {
.description = "KOBIL USB smart card terminal",
.id_table = id_table,
.num_ports = 1,
- .attach = kobil_attach,
+ .num_interrupt_out = 1,
.port_probe = kobil_port_probe,
.port_remove = kobil_port_remove,
.ioctl = kobil_ioctl,
@@ -115,16 +114,6 @@ struct kobil_private {
};
-static int kobil_attach(struct usb_serial *serial)
-{
- if (serial->num_interrupt_out < serial->num_ports) {
- dev_err(&serial->interface->dev, "missing interrupt-out endpoint\n");
- return -ENODEV;
- }
-
- return 0;
-}
-
static int kobil_port_probe(struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;