Re: [PATCH] staging: usbip: convert usbip-host driver tousb_device_driver

From: Greg KH
Date: Thu Jan 23 2014 - 14:09:03 EST


On Thu, Jan 23, 2014 at 08:36:46PM +0200, Valentina Manea wrote:
> This driver was previously an interface driver. Since USB/IP
> exports a whole device, not just an interface, it would make
> sense to be a device driver.
>
> This patch also modifies the way userspace sees and uses a
> shared device - dealing with interfaces is no longer required.

In what way is this modified? What is now different?

> --- a/drivers/usb/core/generic.c
> +++ b/drivers/usb/core/generic.c
> @@ -155,6 +155,7 @@ int usb_choose_configuration(struct usb_device *udev)
> }
> return i;
> }
> +EXPORT_SYMBOL(usb_choose_configuration);
>
> static int generic_probe(struct usb_device *udev)
> {
> diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
> index bb31597..fb0a555 100644
> --- a/drivers/usb/core/message.c
> +++ b/drivers/usb/core/message.c
> @@ -1921,6 +1921,7 @@ free_interfaces:
> usb_autosuspend_device(dev);
> return 0;
> }
> +EXPORT_SYMBOL(usb_set_configuration);
>
> static LIST_HEAD(set_config_list);
> static DEFINE_SPINLOCK(set_config_lock);

Please make both of these EXPORT_SYMBOL_GPL(), like the rest of the USB
symbols are.

thanks,

greg k-h
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/