Merge branches 'acpi-resources', 'acpi-battery', 'acpi-doc' and 'acpi-pnp'

[linux-2.6-block.git] / drivers / dma / dmaengine.c

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index ac336a961dea97be01894027b9f4bd16d5566bad..2890d744bb1bb902cc095fb87841c492cef7542c 100644 (file)
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -11,10 +11,6 @@
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  * more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- *
  * The full GNU General Public License is included in this distribution in the
  * file called COPYING.
  */
@@ -355,20 +351,6 @@ struct dma_chan *dma_find_channel(enum dma_transaction_type tx_type)
 }
 EXPORT_SYMBOL(dma_find_channel);
 
-/*
- * net_dma_find_channel - find a channel for net_dma
- * net_dma has alignment requirements
- */
-struct dma_chan *net_dma_find_channel(void)
-{
-       struct dma_chan *chan = dma_find_channel(DMA_MEMCPY);
-       if (chan && !is_dma_copy_aligned(chan->device, 1, 1, 1))
-               return NULL;
-
-       return chan;
-}
-EXPORT_SYMBOL(net_dma_find_channel);
-
 /**
  * dma_issue_pending_all - flush all pending operations across all channels
  */
@@ -589,11 +571,15 @@ struct dma_chan *dma_get_any_slave_channel(struct dma_device *device)
 
        chan = private_candidate(&mask, device, NULL, NULL);
        if (chan) {
+               dma_cap_set(DMA_PRIVATE, device->cap_mask);
+               device->privatecnt++;
                err = dma_chan_get(chan);
                if (err) {
                        pr_debug("%s: failed to get %s: (%d)\n",
                                __func__, dma_chan_name(chan), err);
                        chan = NULL;
+                       if (--device->privatecnt == 0)
+                               dma_cap_clear(DMA_PRIVATE, device->cap_mask);
                }
        }