diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-02-11 09:22:04 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-11 09:22:04 +0100 |
| commit | 95fd4845ed0ffcab305b4f30ce1c12dc34f1b56c (patch) | |
| tree | aa2aac22a5b329b778a6771a87bbf1945ad49bbd /drivers/dma/dmaengine.c | |
| parent | d278c48435625cb6b7edcf6a547620768b175709 (diff) | |
| parent | 8e4921515c1a379539607eb443d51c30f4f7f338 (diff) | |
Merge commit 'v2.6.29-rc4' into perfcounters/core
Conflicts:
arch/x86/kernel/setup_percpu.c
arch/x86/mm/fault.c
drivers/acpi/processor_idle.c
kernel/irq/handle.c
Diffstat (limited to 'drivers/dma/dmaengine.c')
| -rw-r--r-- | drivers/dma/dmaengine.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 403dbe78112..a58993011ed 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -329,9 +329,6 @@ struct dma_chan *dma_find_channel(enum dma_transaction_type tx_type) struct dma_chan *chan; int cpu; - WARN_ONCE(dmaengine_ref_count == 0, - "client called %s without a reference", __func__); - cpu = get_cpu(); chan = per_cpu_ptr(channel_table[tx_type], cpu)->chan; put_cpu(); @@ -348,9 +345,6 @@ void dma_issue_pending_all(void) struct dma_device *device; struct dma_chan *chan; - WARN_ONCE(dmaengine_ref_count == 0, - "client called %s without a reference", __func__); - rcu_read_lock(); list_for_each_entry_rcu(device, &dma_device_list, global_node) { if (dma_has_cap(DMA_PRIVATE, device->cap_mask)) @@ -961,6 +955,8 @@ void dma_run_dependencies(struct dma_async_tx_descriptor *tx) if (!dep) return; + /* we'll submit tx->next now, so clear the link */ + tx->next = NULL; chan = dep->chan; /* keep submitting up until a channel switch is detected |