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author | Johan Hovold <johan@kernel.org> | 2017-03-02 14:51:19 +0300 |
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committer | Johan Hovold <johan@kernel.org> | 2017-03-16 12:33:41 +0300 |
commit | 92e6b2c675e1d247317ec41a078f49aaade7f716 (patch) | |
tree | f46b544b30899fa6c0f160b28987cd85db53a845 /include/linux/usb | |
parent | 8520ac0d70d6c1709bf6768cb79f3b75115def09 (diff) | |
download | linux-92e6b2c675e1d247317ec41a078f49aaade7f716.tar.xz |
USB: serial: add endpoint sanity check to core
Allow drivers to specify a minimum number of endpoints per type, which
USB serial core will verify after subdriver probe has returned (where
the current alternate setting may have been changed).
Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'include/linux/usb')
-rw-r--r-- | include/linux/usb/serial.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index ee4394d8932f..f1b8a8493762 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -188,6 +188,10 @@ static inline void usb_set_serial_data(struct usb_serial *serial, void *data) * @id_table: pointer to a list of usb_device_id structures that define all * of the devices this structure can support. * @num_ports: the number of different ports this device will have. + * @num_bulk_in: minimum number of bulk-in endpoints + * @num_bulk_out: minimum number of bulk-out endpoints + * @num_interrupt_in: minimum number of interrupt-in endpoints + * @num_interrupt_out: minimum number of interrupt-out endpoints * @bulk_in_size: minimum number of bytes to allocate for bulk-in buffer * (0 = end-point size) * @bulk_out_size: bytes to allocate for bulk-out buffer (0 = end-point size) @@ -235,6 +239,11 @@ struct usb_serial_driver { unsigned char num_ports; + unsigned char num_bulk_in; + unsigned char num_bulk_out; + unsigned char num_interrupt_in; + unsigned char num_interrupt_out; + size_t bulk_in_size; size_t bulk_out_size; |