lkml.org 
[lkml]   [2020]   [Dec]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 4.4 108/132] USB: serial: mos7720: fix parallel-port state restore
    Date
    From: Johan Hovold <johan@kernel.org>

    commit 975323ab8f116667676c30ca3502a6757bd89e8d upstream.

    The parallel-port restore operations is called when a driver claims the
    port and is supposed to restore the provided state (e.g. saved when
    releasing the port).

    Fixes: b69578df7e98 ("USB: usbserial: mos7720: add support for parallel port on moschip 7715")
    Cc: stable <stable@vger.kernel.org> # 2.6.35
    Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Signed-off-by: Johan Hovold <johan@kernel.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/usb/serial/mos7720.c | 2 ++
    1 file changed, 2 insertions(+)

    --- a/drivers/usb/serial/mos7720.c
    +++ b/drivers/usb/serial/mos7720.c
    @@ -640,6 +640,8 @@ static void parport_mos7715_restore_stat
    spin_unlock(&release_lock);
    return;
    }
    + mos_parport->shadowDCR = s->u.pc.ctr;
    + mos_parport->shadowECR = s->u.pc.ecr;
    write_parport_reg_nonblock(mos_parport, MOS7720_DCR,
    mos_parport->shadowDCR);
    write_parport_reg_nonblock(mos_parport, MOS7720_ECR,

    \
     
     \ /
      Last update: 2020-12-28 18:10    [W:4.048 / U:0.040 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site