usb: dwc2/gadget: do not call disconnect method in pullup

This leads to potential spinlock recursion in composite framework, other
udc drivers also don't call it directly from pullup method.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Cc: stable <stable@vger.kernel.org> # 3.16
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index a451eef..474eae2 100644 (file)
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2942,7 +2942,6 @@ static int s3c_hsotg_pullup(struct usb_gadget *gadget, int is_on)
                s3c_hsotg_phy_enable(hsotg);
                s3c_hsotg_core_init(hsotg);
        } else {
-               s3c_hsotg_disconnect(hsotg);
                s3c_hsotg_phy_disable(hsotg);
        }