diff options
| author | Jack Steiner <steiner@sgi.com> | 2009-04-03 01:59:10 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 04:05:06 +0200 |
| commit | 6f2584f47474d29ce829604bfc8b56c10b352fdb (patch) | |
| tree | f5b5c63c7c73785a641c995c2fe48b4c5cc726eb /drivers/misc/sgi-xp/xpc_channel.c | |
| parent | sgi-gru: restructure the GRU vtop functions (diff) | |
| download | linux-6f2584f47474d29ce829604bfc8b56c10b352fdb.tar.xz linux-6f2584f47474d29ce829604bfc8b56c10b352fdb.zip | |
sgi-gru: add support to the GRU driver for message queue interrupts
Add support to the GRU driver for message queue interrupts.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc/sgi-xp/xpc_channel.c')
| -rw-r--r-- | drivers/misc/sgi-xp/xpc_channel.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/misc/sgi-xp/xpc_channel.c b/drivers/misc/sgi-xp/xpc_channel.c index 45fd653dbe31..99a2534c38a1 100644 --- a/drivers/misc/sgi-xp/xpc_channel.c +++ b/drivers/misc/sgi-xp/xpc_channel.c @@ -183,6 +183,7 @@ xpc_process_openclose_chctl_flags(struct xpc_partition *part, int ch_number, &part->remote_openclose_args[ch_number]; struct xpc_channel *ch = &part->channels[ch_number]; enum xp_retval reason; + enum xp_retval ret; spin_lock_irqsave(&ch->lock, irq_flags); @@ -399,8 +400,13 @@ again: DBUG_ON(args->local_nentries == 0); DBUG_ON(args->remote_nentries == 0); + ret = xpc_save_remote_msgqueue_pa(ch, args->local_msgqueue_pa); + if (ret != xpSuccess) { + XPC_DISCONNECT_CHANNEL(ch, ret, &irq_flags); + spin_unlock_irqrestore(&ch->lock, irq_flags); + return; + } ch->flags |= XPC_C_ROPENREPLY; - xpc_save_remote_msgqueue_pa(ch, args->local_msgqueue_pa); if (args->local_nentries < ch->remote_nentries) { dev_dbg(xpc_chan, "XPC_CHCTL_OPENREPLY: new " |