From e7d6507e5ba7aa015b454f4871d4dec1e751d3ce Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Thu, 2 Mar 2017 12:51:22 +0100 Subject: USB: serial: digi_acceleport: simplify endpoint check Simplify the endpoint sanity check by letting core verify that the required endpoints are present. Note that this driver uses an additional bulk-endpoint pair as an out-of-band port. Signed-off-by: Johan Hovold --- drivers/usb/serial/digi_acceleport.c | 23 ++++------------------- 1 file changed, 4 insertions(+), 19 deletions(-) (limited to 'drivers/usb') diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 6537d3c..2ce39af 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -273,6 +273,8 @@ static struct usb_serial_driver digi_acceleport_2_device = { .description = "Digi 2 port USB adapter", .id_table = id_table_2, .num_ports = 3, + .num_bulk_in = 4, + .num_bulk_out = 4, .open = digi_open, .close = digi_close, .dtr_rts = digi_dtr_rts, @@ -302,6 +304,8 @@ static struct usb_serial_driver digi_acceleport_4_device = { .description = "Digi 4 port USB adapter", .id_table = id_table_4, .num_ports = 4, + .num_bulk_in = 5, + .num_bulk_out = 5, .open = digi_open, .close = digi_close, .write = digi_write, @@ -1251,27 +1255,8 @@ static int digi_port_init(struct usb_serial_port *port, unsigned port_num) static int digi_startup(struct usb_serial *serial) { - struct device *dev = &serial->interface->dev; struct digi_serial *serial_priv; int ret; - int i; - - /* check whether the device has the expected number of endpoints */ - if (serial->num_port_pointers < serial->type->num_ports + 1) { - dev_err(dev, "OOB endpoints missing\n"); - return -ENODEV; - } - - for (i = 0; i < serial->type->num_ports + 1 ; i++) { - if (!serial->port[i]->read_urb) { - dev_err(dev, "bulk-in endpoint missing\n"); - return -ENODEV; - } - if (!serial->port[i]->write_urb) { - dev_err(dev, "bulk-out endpoint missing\n"); - return -ENODEV; - } - } serial_priv = kzalloc(sizeof(*serial_priv), GFP_KERNEL); if (!serial_priv) -- cgit v1.1