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| author | Takashi Iwai <tiwai@suse.de> | 2017-01-11 19:49:27 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-01-11 19:49:27 +0100 |
| commit | 6cf4569ce3561dec560147e6051959d6896b23d1 (patch) | |
| tree | 2b3dca47673824975c35a708a6d9d24ff46a2771 /drivers/usb/serial/keyspan_pda.c | |
| parent | 2e40795c3bf344cfb5220d94566205796e3ef19a (diff) | |
| parent | 42e0ebdef53d91891939a475c6ef23970829ff99 (diff) | |
Merge tag 'asoc-fix-v4.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.10
As well as the usual smattering of driver specific fixes collected since
the merge window this has one particularly important fix to the core for
handling of aux_devs which was broken during the merge window by some of
the componentization refactoring.
Diffstat (limited to 'drivers/usb/serial/keyspan_pda.c')
| -rw-r--r-- | drivers/usb/serial/keyspan_pda.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index e49ad0c63ad8..83523fcf6fb9 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -699,6 +699,19 @@ MODULE_FIRMWARE("keyspan_pda/keyspan_pda.fw"); MODULE_FIRMWARE("keyspan_pda/xircom_pgs.fw"); #endif +static int keyspan_pda_attach(struct usb_serial *serial) +{ + unsigned char num_ports = serial->num_ports; + + if (serial->num_bulk_out < num_ports || + serial->num_interrupt_in < num_ports) { + dev_err(&serial->interface->dev, "missing endpoints\n"); + return -ENODEV; + } + + return 0; +} + static int keyspan_pda_port_probe(struct usb_serial_port *port) { @@ -776,6 +789,7 @@ static struct usb_serial_driver keyspan_pda_device = { .break_ctl = keyspan_pda_break_ctl, .tiocmget = keyspan_pda_tiocmget, .tiocmset = keyspan_pda_tiocmset, + .attach = keyspan_pda_attach, .port_probe = keyspan_pda_port_probe, .port_remove = keyspan_pda_port_remove, }; |