diff options
Diffstat (limited to 'include/linux/dmaengine.h')
-rw-r--r-- | include/linux/dmaengine.h | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index e4ec7e7b8056..d18d37d1015d 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h | |||
@@ -165,7 +165,6 @@ struct dma_slave { | |||
165 | */ | 165 | */ |
166 | 166 | ||
167 | struct dma_chan_percpu { | 167 | struct dma_chan_percpu { |
168 | local_t refcount; | ||
169 | /* stats */ | 168 | /* stats */ |
170 | unsigned long memcpy_count; | 169 | unsigned long memcpy_count; |
171 | unsigned long bytes_transferred; | 170 | unsigned long bytes_transferred; |
@@ -205,26 +204,6 @@ struct dma_chan { | |||
205 | 204 | ||
206 | void dma_chan_cleanup(struct kref *kref); | 205 | void dma_chan_cleanup(struct kref *kref); |
207 | 206 | ||
208 | static inline void dma_chan_get(struct dma_chan *chan) | ||
209 | { | ||
210 | if (unlikely(chan->slow_ref)) | ||
211 | kref_get(&chan->refcount); | ||
212 | else { | ||
213 | local_inc(&(per_cpu_ptr(chan->local, get_cpu())->refcount)); | ||
214 | put_cpu(); | ||
215 | } | ||
216 | } | ||
217 | |||
218 | static inline void dma_chan_put(struct dma_chan *chan) | ||
219 | { | ||
220 | if (unlikely(chan->slow_ref)) | ||
221 | kref_put(&chan->refcount, dma_chan_cleanup); | ||
222 | else { | ||
223 | local_dec(&(per_cpu_ptr(chan->local, get_cpu())->refcount)); | ||
224 | put_cpu(); | ||
225 | } | ||
226 | } | ||
227 | |||
228 | /* | 207 | /* |
229 | * typedef dma_event_callback - function pointer to a DMA event callback | 208 | * typedef dma_event_callback - function pointer to a DMA event callback |
230 | * For each channel added to the system this routine is called for each client. | 209 | * For each channel added to the system this routine is called for each client. |