diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2017-01-12 16:10:00 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-01-12 16:10:00 +0800 |
| commit | 4cf0662888026d5c1b62ed3fa8dc048a2ff2e124 (patch) | |
| tree | a5c92c5024c599a00bfd8d402d2b7b0a619b0259 /drivers/usb/serial/omninet.c | |
| parent | c821f6ab2e47946f35ee2f30781c5185e5d07f65 (diff) | |
| parent | a121103c922847ba5010819a3f250f1f7fc84ab8 (diff) | |
| download | op-kernel-dev-4cf0662888026d5c1b62ed3fa8dc048a2ff2e124.zip op-kernel-dev-4cf0662888026d5c1b62ed3fa8dc048a2ff2e124.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merging 4.10-rc3 so that the cryptodev tree builds on ARM64.
Diffstat (limited to 'drivers/usb/serial/omninet.c')
| -rw-r--r-- | drivers/usb/serial/omninet.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index f6c6900..a180b17 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -38,6 +38,7 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count); static int omninet_write_room(struct tty_struct *tty); static void omninet_disconnect(struct usb_serial *serial); +static int omninet_attach(struct usb_serial *serial); static int omninet_port_probe(struct usb_serial_port *port); static int omninet_port_remove(struct usb_serial_port *port); @@ -56,6 +57,7 @@ static struct usb_serial_driver zyxel_omninet_device = { .description = "ZyXEL - omni.net lcd plus usb", .id_table = id_table, .num_ports = 1, + .attach = omninet_attach, .port_probe = omninet_port_probe, .port_remove = omninet_port_remove, .open = omninet_open, @@ -104,6 +106,17 @@ struct omninet_data { __u8 od_outseq; /* Sequence number for bulk_out URBs */ }; +static int omninet_attach(struct usb_serial *serial) +{ + /* The second bulk-out endpoint is used for writing. */ + if (serial->num_bulk_out < 2) { + dev_err(&serial->interface->dev, "missing endpoints\n"); + return -ENODEV; + } + + return 0; +} + static int omninet_port_probe(struct usb_serial_port *port) { struct omninet_data *od; |
