rk: restore file mode

[firefly-linux-kernel-4.4.55.git] / include / linux / dmaengine.h

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 96d3e4ab11a91a4ea28d0f864d1cfbee6e249127..00d2addf22e585000f2b3c0b70bc15e9e79179ab 100644 (file)
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -601,6 +601,10 @@ struct dma_device {
        enum dma_status (*device_tx_status)(struct dma_chan *chan,
                                            dma_cookie_t cookie,
                                            struct dma_tx_state *txstate);
+#ifdef CONFIG_ARCH_ROCKCHIP
+       int (*dma_getposition)(struct dma_chan *chan,
+               dma_addr_t *src, dma_addr_t *dst);
+#endif
        void (*device_issue_pending)(struct dma_chan *chan);
 };
 
@@ -664,9 +668,21 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_cyclic(
                size_t period_len, enum dma_transfer_direction dir,
                unsigned long flags)
 {
+       unsigned int t=0;
        return chan->device->device_prep_dma_cyclic(chan, buf_addr, buf_len,
-                                               period_len, dir, flags, NULL);
+                                               period_len, dir, flags, &t);
 }
+#ifdef CONFIG_ARCH_ROCKCHIP
+static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_infiniteloop(
+               struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
+               size_t period_len, enum dma_transfer_direction dir,
+               unsigned long flags,unsigned int limit)
+{
+       unsigned int t=limit;
+       return chan->device->device_prep_dma_cyclic(chan, buf_addr, buf_len,
+                                               period_len, dir, flags, &t);
+}
+#endif
 
 static inline struct dma_async_tx_descriptor *dmaengine_prep_interleaved_dma(
                struct dma_chan *chan, struct dma_interleaved_template *xt,