diff options
| author | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:02:33 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:02:33 +0800 |
| commit | 156f7b56ee4b918b95991750e0f34da8ad416eae (patch) | |
| tree | fd47da260b3c78631721f36edf01b2878358283a /drivers/usb/serial/spcp8x5.c | |
| parent | 2e2fb031287a5946d97b85769f80ca60f0166e15 (diff) | |
| parent | d97f745e1d2fea4d2f308e5e06eee81a9a84f3f5 (diff) | |
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-rtlsk-v4.1-17.06-rtlsk-v4.1-17.05-rtlsk-v4.1-17.03-rtlinux-linaro-lsk-v4.1-rt
Diffstat (limited to 'drivers/usb/serial/spcp8x5.c')
| -rw-r--r-- | drivers/usb/serial/spcp8x5.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c index ef0dbf0703c5..475e6c31b266 100644 --- a/drivers/usb/serial/spcp8x5.c +++ b/drivers/usb/serial/spcp8x5.c @@ -154,6 +154,19 @@ static int spcp8x5_probe(struct usb_serial *serial, return 0; } +static int spcp8x5_attach(struct usb_serial *serial) +{ + unsigned char num_ports = serial->num_ports; + + if (serial->num_bulk_in < num_ports || + serial->num_bulk_out < num_ports) { + dev_err(&serial->interface->dev, "missing endpoints\n"); + return -ENODEV; + } + + return 0; +} + static int spcp8x5_port_probe(struct usb_serial_port *port) { const struct usb_device_id *id = usb_get_serial_data(port->serial); @@ -477,6 +490,7 @@ static struct usb_serial_driver spcp8x5_device = { .tiocmget = spcp8x5_tiocmget, .tiocmset = spcp8x5_tiocmset, .probe = spcp8x5_probe, + .attach = spcp8x5_attach, .port_probe = spcp8x5_port_probe, .port_remove = spcp8x5_port_remove, }; |