diff options
| author | Alexander Graf <agraf@suse.de> | 2013-06-30 02:18:54 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2013-07-11 18:51:24 +0200 |
| commit | d1e562deb2de5c2ced639b18dee59a9ab08236b6 (patch) | |
| tree | 524c4484013ca5ade0f446d6a8f79530c29213df /hw | |
| parent | f2f963fd0775263f9c1cdd3cd92b171c8dae6c77 (diff) | |
PPC: dbdma: Introduce kick function
The DBDMA engine really is running all the time, waiting for input. However
we don't want to waste cycles constantly polling.
So introduce a kick function that data providers can call to notify the
DBDMA controller of new input.
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/misc/macio/mac_dbdma.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/misc/macio/mac_dbdma.c b/hw/misc/macio/mac_dbdma.c index c55c75c83c..d1506ce228 100644 --- a/hw/misc/macio/mac_dbdma.c +++ b/hw/misc/macio/mac_dbdma.c @@ -536,6 +536,11 @@ static void DBDMA_run_bh(void *opaque) DBDMA_run(s); } +void DBDMA_kick(DBDMAState *dbdma) +{ + qemu_bh_schedule(dbdma_bh); +} + void DBDMA_register_channel(void *dbdma, int nchan, qemu_irq irq, DBDMA_rw rw, DBDMA_flush flush, void *opaque) |