• Roger Quadros's avatar
    usb: dwc3: Add dual-role support · 9840354f
    Roger Quadros authored
    If dr_mode is "otg" then support dual role mode of operation.
    Currently this mode is only supported when an extcon handle is
    present in the dwc3 device tree node. This is needed to
    get the ID status events of the port.
    
    We're using a workqueue to manage the dual-role state transitions
    as the extcon notifier (dwc3_drd_notifier) is called in an atomic
    context by extcon_sync() and this doesn't go well with
    usb_del_gadget_udc() causing a lockdep and softirq warning.
    Signed-off-by: default avatarRoger Quadros <rogerq@ti.com>
    Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
    9840354f
drd.c 2.07 KB