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| author | Takashi Iwai <tiwai@suse.de> | 2009-02-09 17:20:13 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-02-09 17:20:13 +0100 |
| commit | d9f8e9c34150ebec2be07bb95b6a23d99ba1f6de (patch) | |
| tree | 1e8c402df9b1154f4ca37eb5242f960ef7aab747 /drivers/dma/dmaengine.c | |
| parent | 2ebfb8eeb8f244f9d25937d31a947895cf819e26 (diff) | |
| parent | 8bd4bb7a35e8ebb015a531218614c48e10a3c4ee (diff) | |
| download | kernel-crypto-d9f8e9c34150ebec2be07bb95b6a23d99ba1f6de.tar.gz kernel-crypto-d9f8e9c34150ebec2be07bb95b6a23d99ba1f6de.tar.xz kernel-crypto-d9f8e9c34150ebec2be07bb95b6a23d99ba1f6de.zip | |
Merge branch 'topic/quirk-cleanup' into topic/misc
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 |