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USB: serial: add probe callback to generic driver

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Add a probe callback to the generic driver and print the
only-for-testing message there.

This is a first step in getting rid of the CONFIG_USB_SERIAL_GENERIC
ifdef from usb-serial core.

Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2017-03-16 17:13:31 +01:00
parent 07814246dd
commit 415d7b3a54
2 changed files with 12 additions and 2 deletions
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12
drivers/usb/serial/generic.c
View File

@ -37,6 +37,17 @@ MODULE_PARM_DESC(product, "User specified USB idProduct");
static struct usb_device_id generic_device_ids[2]; /* Initially all zeroes. */
static int usb_serial_generic_probe(struct usb_serial *serial,
const struct usb_device_id *id)
{
struct device *dev = &serial->interface->dev;
dev_info(dev, "The \"generic\" usb-serial driver is only for testing and one-off prototypes.\n");
dev_info(dev, "Tell linux-usb@vger.kernel.org to add your device to a proper driver.\n");
return 0;
}
struct usb_serial_driver usb_serial_generic_device = {
.driver = {
.owner = THIS_MODULE,
@ -44,6 +55,7 @@ struct usb_serial_driver usb_serial_generic_device = {
},
.id_table = generic_device_ids,
.num_ports = 1,
.probe = usb_serial_generic_probe,
.throttle = usb_serial_generic_throttle,
.unthrottle = usb_serial_generic_unthrottle,
.resume = usb_serial_generic_resume,

2
drivers/usb/serial/usb-serial.c
View File

@ -858,8 +858,6 @@ static int usb_serial_probe(struct usb_interface *interface,
retval = -EIO;
goto err_free_epds;
}
dev_info(ddev, "The \"generic\" usb-serial driver is only for testing and one-off prototypes.\n");
dev_info(ddev, "Tell linux-usb@vger.kernel.org to add your device to a proper driver.\n");
}
#endif
if (!num_ports) {