On 03/04/2016 12:15 AM, Greg Kroah-Hartman wrote:
> On Thu, Mar 03, 2016 at 02:37:40PM +0800, Lu Baolu wrote:
>> +#if IS_ENABLED(CONFIG_USB_MUX)
>> +extern int usb_mux_register(struct usb_mux_dev *mux);
>> +extern int usb_mux_unregister(struct device *dev);
>> +extern struct usb_mux_dev
On 03/04/2016 12:10 AM, Greg Kroah-Hartman wrote:
> On Thu, Mar 03, 2016 at 02:37:40PM +0800, Lu Baolu wrote:
>> Several Intel PCHs and SOCs have an internal mux that is used to
>> share one USB port between device controller and host controller.
>>
>> A usb port mux could be abstracted as the
On Thu, Mar 03, 2016 at 02:37:40PM +0800, Lu Baolu wrote:
> +#if IS_ENABLED(CONFIG_USB_MUX)
> +extern int usb_mux_register(struct usb_mux_dev *mux);
> +extern int usb_mux_unregister(struct device *dev);
> +extern struct usb_mux_dev *usb_mux_get_dev(struct device *dev);
This api needs a lot of
On Thu, Mar 03, 2016 at 02:37:40PM +0800, Lu Baolu wrote:
> Several Intel PCHs and SOCs have an internal mux that is used to
> share one USB port between device controller and host controller.
>
> A usb port mux could be abstracted as the following elements:
> 1) mux state: HOST or PERIPHERAL;
>
Several Intel PCHs and SOCs have an internal mux that is used to
share one USB port between device controller and host controller.
A usb port mux could be abstracted as the following elements:
1) mux state: HOST or PERIPHERAL;
2) an extcon cable which triggers the change of mux state between
