usb: chipidea: msm: Initialize PHY on reset event

Initialize USB PHY after every Link controller reset

Cc: 3.16+ <stable@vger.kernel.org>
Cc: Tim Bird <tbird20d@gmail.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c
index 30bdd51..4935ac3 100644 (file)
--- a/drivers/usb/chipidea/ci_hdrc_msm.c
+++ b/drivers/usb/chipidea/ci_hdrc_msm.c
@@ -26,6 +26,7 @@ static void ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event)
                dev_dbg(dev, "CI_HDRC_CONTROLLER_RESET_EVENT received\n");
                writel(0, USB_AHBBURST);
                writel(0, USB_AHBMODE);
+               usb_phy_init(ci->transceiver);
                break;
        case CI_HDRC_CONTROLLER_STOPPED_EVENT:
                dev_dbg(dev, "CI_HDRC_CONTROLLER_STOPPED_EVENT received\n");