On Mon, Sep 15, 2014 at 12:42:27PM +0200, Andreas Larsson wrote:
> The state attribute is connected to the kobj of the udc, not the gadget.
>
> Signed-off-by: Andreas Larsson <andr...@gaisler.com>
> ---
> drivers/usb/gadget/udc/udc-core.c | 14 +++++++++++++-
> 1 file changed, 13 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/gadget/udc/udc-core.c
> b/drivers/usb/gadget/udc/udc-core.c
> index b0d9817..37c129a 100644
> --- a/drivers/usb/gadget/udc/udc-core.c
> +++ b/drivers/usb/gadget/udc/udc-core.c
> @@ -109,8 +109,20 @@ EXPORT_SYMBOL_GPL(usb_gadget_unmap_request);
> static void usb_gadget_state_work(struct work_struct *work)
> {
> struct usb_gadget *gadget = work_to_gadget(work);
> + struct usb_udc *udc = NULL;
> +
> + mutex_lock(&udc_lock);
> + list_for_each_entry(udc, &udc_list, list)
> + if (udc->gadget == gadget)
> + goto found;
> + mutex_unlock(&udc_lock);
> +
> + return;
> +
> +found:
> + mutex_unlock(&udc_lock);
>
> - sysfs_notify(&gadget->dev.kobj, NULL, "state");
> + sysfs_notify(&udc->dev.kobj, NULL, "state");
> }
>
> void usb_gadget_set_state(struct usb_gadget *gadget,
What's the user mode difference with and without this patch?
--
Best Regards,
Peter Chen
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