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Commit 2d27af9d authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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USB: serial: mos7720: fix parallel-port state restore 



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: b69578df ("USB: usbserial: mos7720: add support for parallel port on moschip 7715")
Cc: stable <stable@vger.kernel.org>     # 2.6.35
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b560eaa4

drivers/usb/serial/mos7720.c

+2 −0
Original line number Diff line number Diff line
@@ -638,6 +638,8 @@ 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;

	write_parport_reg_nonblock(mos_parport, MOS7720_DCR,

				   mos_parport->shadowDCR);

	write_parport_reg_nonblock(mos_parport, MOS7720_ECR,