Merge current mainline tree into linux-omap tree

[linux-2.6-omap-h63xx.git] / arch / arm / plat-omap / dma.c

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 91004a3c4794fe1f90f41d856d3d389537465529..793740686be278e21b7fd7c683e39280ce84d67f 100644 (file)
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -1020,12 +1020,12 @@ static void create_dma_lch_chain(int lch_head, int lch_queue)
        }
 
        w = OMAP_DMA_CLNK_CTRL_REG(lch_head);
-       w &= ~(0x0f);
+       w &= ~(0x1f);
        w |= lch_queue;
        OMAP_DMA_CLNK_CTRL_REG(lch_head) = w;
 
        w = OMAP_DMA_CLNK_CTRL_REG(lch_queue);
-       w &= ~(0x0f);
+       w &= ~(0x1f);
        w |= (dma_chan[lch_queue].next_linked_ch);
        OMAP_DMA_CLNK_CTRL_REG(lch_queue) = w;
 }
@@ -1248,7 +1248,7 @@ EXPORT_SYMBOL(omap_dma_chain_status);
  * @param frame_count
  * @param callbk_data - channel callback parameter data.
  *
- * @return  - Success : start_dma status
+ * @return  - Success : 0
  *           Failure: -EINVAL/-EBUSY
  */
 int omap_dma_chain_a_transfer(int chain_id, int src_start, int dest_start,
@@ -1367,7 +1367,7 @@ int omap_dma_chain_a_transfer(int chain_id, int src_start, int dest_start,
                        dma_chan[lch].flags |= OMAP_DMA_ACTIVE;
                }
        }
-       return start_dma;
+       return 0;
 }
 EXPORT_SYMBOL(omap_dma_chain_a_transfer);
 
@@ -1663,6 +1663,7 @@ static int omap2_dma_handle_ch(int ch)
        if (!status) {
                if (printk_ratelimit())
                        printk(KERN_WARNING "Spurious DMA IRQ for lch %d\n", ch);
+               omap_writel(1 << ch, OMAP_DMA4_IRQSTATUS_L0);
                return 0;
        }
        if (unlikely(dma_chan[ch].dev_id == -1)) {