diff options
| author | Nathan Binkert <nate@cvs.openbsd.org> | 2001-03-29 19:39:20 +0000 |
|---|---|---|
| committer | Nathan Binkert <nate@cvs.openbsd.org> | 2001-03-29 19:39:20 +0000 |
| commit | f3336abe0928108a9a58f90cb5538dfd013e048c (patch) | |
| tree | ed4157146cf5152b46fca4139343cd33727ccc52 | |
| parent | bc9cd6620b6e89e276fea0fbe44a512fd972739d (diff) | |
Add diagnostic message.
Insert short delay before coming out of spltty in set_cmap function.
This prevents a panic on alpha when trying to run the Xtga driver.
| -rw-r--r-- | sys/dev/ic/bt485.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/dev/ic/bt485.c b/sys/dev/ic/bt485.c index 1d0b5323f0f..8aa18e45104 100644 --- a/sys/dev/ic/bt485.c +++ b/sys/dev/ic/bt485.c @@ -261,6 +261,12 @@ bt485_set_cmap(rc, cmapp) struct bt485data *data = (struct bt485data *)rc; int count, index, s; +#ifdef DIAGNOSTIC + if (rc == NULL) + panic("bt485_set_cmap: rc"); + if (cmapp == NULL) + panic("bt485_set_cmap: cmapp"); +#endif if ((u_int)cmapp->index >= 256 || ((u_int)cmapp->index + (u_int)cmapp->count) > 256) return (EINVAL); @@ -287,6 +293,7 @@ bt485_set_cmap(rc, cmapp) data->changed |= DATA_CMAP_CHANGED; data->ramdac_sched_update(data->cookie, bt485_update); + delay(1); splx(s); return (0); |