Re: Problem with VMAP_STACK=y

From: Mauro Carvalho Chehab
Date: Thu Oct 06 2016 - 13:17:54 EST


Em Thu, 6 Oct 2016 10:30:15 +0200
JÃrg Otte <jrg.otte@xxxxxxxxx> escreveu:

> 2016-10-05 20:55 GMT+02:00 Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>:
> > Hi Johannes,
> >
> > Em Wed, 5 Oct 2016 20:29:45 +0200
> > Johannes Stezenbach <js@xxxxxxxxxxx> escreveu:
> >
> >> On Wed, Oct 05, 2016 at 06:04:50AM -0300, Mauro Carvalho Chehab wrote:
> >> > static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap)
> >> > {
> >> > - char query[] = { CINERGYT2_EP1_GET_FIRMWARE_VERSION };
> >> > - char state[3];
> >> > + struct dvb_usb_device *d = adap->dev;
> >> > + struct cinergyt2_state *st = d->priv;
> >> > int ret;
> >> >
> >> > adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev);
> >> >
> >> > - ret = dvb_usb_generic_rw(adap->dev, query, sizeof(query), state,
> >> > - sizeof(state), 0);
> >>
> >> it seems to miss this:
> >>
> >> st->data[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION;
> >>
> >> > + ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 3, 0);
> >> > if (ret < 0) {
> >> > deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep "
> >> > "state info\n");
> >> > @@ -141,13 +147,14 @@ static int repeatable_keys[] = {
> >> > static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
> >> > {
> >> > struct cinergyt2_state *st = d->priv;
> >> > - u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS;
> >> > int i;
> >> >
> >> > *state = REMOTE_NO_KEY_PRESSED;
> >> >
> >> > - dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0);
> >> > - if (key[4] == 0xff) {
> >> > + st->data[0] = CINERGYT2_EP1_SLEEP_MODE;
> >>
> >> should probably be
> >>
> >> st->data[0] = CINERGYT2_EP1_GET_RC_EVENTS;
> >>
> >> > +
> >> > + dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0);
> >>
> >>
> >> HTH,
> >> Johannes
> >
> >
> > Thanks for the review! Yeah, you're right: both firmware and remote
> > controller logic would be broken without the above fixes.
> >
> > Just sent a version 2 of this patch to the ML with the above fixes.
> >
> > Regards,
> > Mauro
>
> Applied V2 of the patch. Unfortunately no progress.
> No video, no error messages.

I can't see any other obvious error on the conversion. You could try
to enable debug options at DVB core/dvb-usb and/or add some printk's to
the driver and see what's happening.


Thanks,
Mauro