On Mon, Jun 24, 2013 at 5:42 PM, Ming Lei <[email protected]> wrote:
> +
> +static void init_giveback_urb_bh(struct usb_hcd *hcd)
> +{
> + if (!hcd_giveback_urb_in_bh(hcd))
> + return;
Sorry, the above check isn't needed, and the below check isn't
needed too. I will fix it in V3.
> +
> + __init_giveback_urb_bh(&hcd->high_prio_bh);
> + __init_giveback_urb_bh(&hcd->low_prio_bh);
> +}
> +
> +static void exit_giveback_urb_bh(struct usb_hcd *hcd)
> +{
> + if (!hcd_giveback_urb_in_bh(hcd))
> + return;
> +
> + /*
> + * tasklet_kill() isn't needed here because:
> + * - driver's disconnec() called from usb_disconnect() should
> + * make sure its URBs are completed during the disconnect()
> + * callback
> + *
> + * - it is too late to run complete() here since driver may have
> + * been removed already now
> + *
> + * Using tasklet to run URB's complete() doesn't change this
> + * behavior of usbcore.
> + */
> +}
> +
Thanks,
--
Ming Lei
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