The device is supposed to reset the Bus Master IDE Active bit in the
status register when 0 is written to the Start/Stop Bus Master bit in
the command register.
In the common cases this happens automatically because bdrv_drain_all()
flushes the requests, but with a large PRDT it could remain set.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
bdrv_drain_all();
assert(bm->bus->dma->aiocb == NULL);
}
+ bm->status &= ~BM_STATUS_DMAING;
} else {
bm->cur_addr = bm->addr;
if (!(bm->status & BM_STATUS_DMAING)) {