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    Subject[PATCH 10/11] usb: mtu3: clear dual mode of u3port when disable device
    Date
    If not clear u3port's dual mode when disable device, the IP
    will fail to enter sleep mode when suspend.

    Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
    ---
    drivers/usb/mtu3/mtu3_core.c | 6 +++++-
    1 file changed, 5 insertions(+), 1 deletion(-)

    diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
    index c875b22..a9c5c32 100644
    --- a/drivers/usb/mtu3/mtu3_core.c
    +++ b/drivers/usb/mtu3/mtu3_core.c
    @@ -131,8 +131,12 @@ static void mtu3_device_disable(struct mtu3 *mtu)
    mtu3_setbits(ibase, SSUSB_U2_CTRL(0),
    SSUSB_U2_PORT_DIS | SSUSB_U2_PORT_PDN);

    - if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG)
    + if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG) {
    mtu3_clrbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_OTG_SEL);
    + if (mtu->is_u3_ip)
    + mtu3_clrbits(ibase, SSUSB_U3_CTRL(0),
    + SSUSB_U3_PORT_DUAL_MODE);
    + }

    mtu3_setbits(ibase, U3D_SSUSB_IP_PW_CTRL2, SSUSB_IP_DEV_PDN);
    }
    --
    1.9.1
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