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    Subject[PATCH 5.13 15/22] usb: mtu3: restore HS function when set SS/SSP
    Date
    From: Chunfeng Yun <chunfeng.yun@mediatek.com>

    commit e88f28514065a6c48aadc367efb0ef6378a01543 upstream.

    Due to HS function is disabled when set as FS, need restore
    it when set as SS/SSP.

    Fixes: dc4c1aa7eae9 ("usb: mtu3: add ->udc_set_speed()")
    Cc: stable@vger.kernel.org
    Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
    Link: https://lore.kernel.org/r/1628836253-7432-1-git-send-email-chunfeng.yun@mediatek.com
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/usb/mtu3/mtu3_core.c | 4 +++-
    1 file changed, 3 insertions(+), 1 deletion(-)

    --- a/drivers/usb/mtu3/mtu3_core.c
    +++ b/drivers/usb/mtu3/mtu3_core.c
    @@ -227,11 +227,13 @@ void mtu3_set_speed(struct mtu3 *mtu, en
    mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE);
    break;
    case USB_SPEED_SUPER:
    + mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE);
    mtu3_clrbits(mtu->ippc_base, SSUSB_U3_CTRL(0),
    SSUSB_U3_PORT_SSP_SPEED);
    break;
    case USB_SPEED_SUPER_PLUS:
    - mtu3_setbits(mtu->ippc_base, SSUSB_U3_CTRL(0),
    + mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE);
    + mtu3_setbits(mtu->ippc_base, SSUSB_U3_CTRL(0),
    SSUSB_U3_PORT_SSP_SPEED);
    break;
    default:

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