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| author |   David S. Miller <davem@davemloft.net> | 2017-01-09 15:39:11 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-09 15:39:11 -0500 |
| commit | bb1d3034449ed08e2ffbf5813a5ad9fa30475359 (patch) | |
| tree | a48cc17fc4683b5fdc1656ac71639540bd8852e2 /drivers/usb/serial/iuu_phoenix.c | |
| parent | Merge branch 'dwmac-dwc-qos-eth' (diff) | |
| parent | phy state machine: failsafe leave invalid RUNNING state (diff) | |
| download | linux-dev-bb1d3034449ed08e2ffbf5813a5ad9fa30475359.tar.xz linux-dev-bb1d3034449ed08e2ffbf5813a5ad9fa30475359.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/usb/serial/iuu_phoenix.c')
| -rw-r--r-- | drivers/usb/serial/iuu_phoenix.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c index 344b4eea4bd5..d57fb5199218 100644 --- a/drivers/usb/serial/iuu_phoenix.c +++ b/drivers/usb/serial/iuu_phoenix.c @@ -68,6 +68,16 @@ struct iuu_private { u32 clk; }; +static int iuu_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) + return -ENODEV; + + return 0; +} + static int iuu_port_probe(struct usb_serial_port *port) { struct iuu_private *priv; @@ -1196,6 +1206,7 @@ static struct usb_serial_driver iuu_device = { .tiocmset = iuu_tiocmset, .set_termios = iuu_set_termios, .init_termios = iuu_init_termios, + .attach = iuu_attach, .port_probe = iuu_port_probe, .port_remove = iuu_port_remove, }; |