Re: ATAng regression: cdcontrol close not working

From: Pav Lucistnik <pav_at_oook.cz>
Date: Sun, 14 Sep 2003 22:13:11 +0200
V so, 06. 09. 2003 v 21:41, Bruce Evans pe:
> On Sat, 6 Sep 2003, Pav Lucistnik wrote:
> 
> > after recent ATAng changes, cdcontrol close stopped working
> > with my CD-ROM drive. It used to close the tray. It works with -f
> > /dev/cd0 but not with /dev/acd0. cdcontrol eject still works fine.
> 
> I use the following fix:
> 
> %%%
> Index: atapi-cd.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/dev/ata/atapi-cd.c,v
> retrieving revision 1.142
> diff -u -2 -r1.142 atapi-cd.c
> --- atapi-cd.c	5 Sep 2003 10:40:16 -0000	1.142
> +++ atapi-cd.c	6 Sep 2003 17:16:16 -0000
> _at__at_ -1870,7 +1913,7 _at__at_
>      int error;
> 
> -    if ((error = acd_start_stop(cdp, 0)) == EBUSY) {
> +    if ((error = acd_start_stop(cdp, 0)) == EBUSY || close) {
>  	if (!close)
> -	    return 0;
> +	    return EBUSY;
>  	if ((error = acd_start_stop(cdp, 3)))
>  	    return error;
> _at__at_ -1882,6 +1925,4 _at__at_
>      if (error)
>  	return error;
> -    if (close)
> -	return 0;
>      acd_prevent_allow(cdp, 0);
>      cdp->flags &= ~F_LOCKED;
> %%%
> 
> acd_eject() doesn't seem to have been changed by ATAng, so I don't see how
> close it could have ever worked, but I seem to remember it working.

This patch works for me. Any chance to get it committed?

> > Relevant dmesg parts:
> > ...
> > cd0 at ata1 bus 0 target 0 lun 0
> > cd0: <TEAC CD-532E-B 1.0A> Removable CD-ROM SCSI-0 device
> > cd0: 16.000MB/s transfers
> > cd0: cd present [357072 x 2048 byte records]
> >
> > I do have atapicam in my kernel.
> 
> Close works on cd0 and cd1 for me without the above patch.  The code for
> eject and close in scsi_cd.c is easier to understand.

Yes, for me too. I haven't tought to try cdcontrol on /dev/cd0 before,
thank you for the tip.

-- 
Pav Lucistnik <pav_at_oook.cz>
What do we know about love? Love is like a pear. Pear is sweet and have
a specific shape. Try to exactly define the shape of a pear.
  -- Marigold: 50 Years Of Poetry

Received on Sun Sep 14 2003 - 11:13:15 UTC

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