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| author | Johannes Berg | 2015-06-10 12:44:58 +0200 |
|---|---|---|
| committer | Johannes Berg | 2015-06-10 12:45:09 +0200 |
| commit | 206c59d1d7d42bcafc1d7f1e476e87e4427e2345 (patch) | |
| tree | a2f99470bd0fe43f5cf57812fca969bb3ca3c451 /drivers/dma/dmaengine.c | |
| parent | mac80211: Fix a case of incorrect metric used when forwarding a PREQ (diff) | |
| parent | Merge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge (diff) | |
| download | kernel-qcow2-linux-206c59d1d7d42bcafc1d7f1e476e87e4427e2345.tar.gz kernel-qcow2-linux-206c59d1d7d42bcafc1d7f1e476e87e4427e2345.tar.xz kernel-qcow2-linux-206c59d1d7d42bcafc1d7f1e476e87e4427e2345.zip | |
Merge remote-tracking branch 'net-next/master' into mac80211-next
Merge back net-next to get wireless driver changes (from Kalle)
to be able to create the API change across all trees properly.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/dma/dmaengine.c')
| -rw-r--r-- | drivers/dma/dmaengine.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index ac336a961dea..2890d744bb1b 100644 --- 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); } } |