On Wed, Nov 04, 2020 at 05:47:27PM +0100, Johan Hovold wrote:
> 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@xxxxxxxxxxxxxxx> # 2.6.35
> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
> ---
> drivers/usb/serial/mos7720.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
> index 5eed1078fac8..5a5d2a95070e 100644
> --- a/drivers/usb/serial/mos7720.c
> +++ b/drivers/usb/serial/mos7720.c
> @@ -639,6 +639,8 @@ static void parport_mos7715_restore_state(struct parport *pp,
> spin_unlock(&release_lock);
> return;
> }
> + mos_parport->shadowDCR = s->u.pc.ctr;
> + mos_parport->shadowECR = s->u.pc.ecr;
Wow that's old code. I'm guessing no one uses these devices really :(
Anyway, nice work:
Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> write_parport_reg_nonblock(mos_parport, MOS7720_DCR,
> mos_parport->shadowDCR);
> write_parport_reg_nonblock(mos_parport, MOS7720_ECR,
> --
> 2.26.2
>
