Subject: Re: MD hooks in zsopen()/zsclose()
To: Julian Coleman <J.D.Coleman@newcastle.ac.uk>
From: Jason Thorpe <firstname.lastname@example.org>
Date: 03/03/2000 11:49:45
On Fri, 3 Mar 2000 14:39:00 +0000
Julian Coleman <J.D.Coleman@newcastle.ac.uk> wrote:
> Background: the Tadpole Sparcbook has power on/off control for the serial
> ports driven by a separate device (aux2 register). In order to be able to
> power on the ports when a serial port is opened (and power them off when the
> serial ports are closed), I'd like to add some MD hooks to the zsopen() and
> zsclose() functions in dev/ic/z8530tty.c (see diffs).
Take a look at dev/ic/com.c for the enable/disable hooks present in that
driver (for power management on PCMCIA cards).
-- Jason R. Thorpe <email@example.com>