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USB: serial: mos7720: always require an interrupt endpoint

This driver have treated the interrupt endpoint as optional despite it
always being present (according to the datasheet). Let's consider it
mandatory instead.

Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2017-03-16 17:13:46 +01:00
parent d760557d38
commit 6a1eaf19f5

View File

@ -1923,8 +1923,7 @@ static int mos7720_startup(struct usb_serial *serial)
if (product == MOSCHIP_DEVICE_ID_7715) { if (product == MOSCHIP_DEVICE_ID_7715) {
struct urb *urb = serial->port[0]->interrupt_in_urb; struct urb *urb = serial->port[0]->interrupt_in_urb;
if (urb) urb->complete = mos7715_interrupt_callback;
urb->complete = mos7715_interrupt_callback;
#ifdef CONFIG_USB_SERIAL_MOS7715_PARPORT #ifdef CONFIG_USB_SERIAL_MOS7715_PARPORT
ret_val = mos7715_parport_init(serial); ret_val = mos7715_parport_init(serial);
@ -2025,6 +2024,7 @@ static struct usb_serial_driver moschip7720_2port_driver = {
.id_table = id_table, .id_table = id_table,
.num_bulk_in = 2, .num_bulk_in = 2,
.num_bulk_out = 2, .num_bulk_out = 2,
.num_interrupt_in = 1,
.calc_num_ports = mos77xx_calc_num_ports, .calc_num_ports = mos77xx_calc_num_ports,
.open = mos7720_open, .open = mos7720_open,
.close = mos7720_close, .close = mos7720_close,