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Diffstat (limited to 'arch/arm/plat-omap/dma.c')
-rw-r--r--arch/arm/plat-omap/dma.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 91004a3c4794..793740686be2 100644
--- 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)
1020 } 1020 }
1021 1021
1022 w = OMAP_DMA_CLNK_CTRL_REG(lch_head); 1022 w = OMAP_DMA_CLNK_CTRL_REG(lch_head);
1023 w &= ~(0x0f); 1023 w &= ~(0x1f);
1024 w |= lch_queue; 1024 w |= lch_queue;
1025 OMAP_DMA_CLNK_CTRL_REG(lch_head) = w; 1025 OMAP_DMA_CLNK_CTRL_REG(lch_head) = w;
1026 1026
1027 w = OMAP_DMA_CLNK_CTRL_REG(lch_queue); 1027 w = OMAP_DMA_CLNK_CTRL_REG(lch_queue);
1028 w &= ~(0x0f); 1028 w &= ~(0x1f);
1029 w |= (dma_chan[lch_queue].next_linked_ch); 1029 w |= (dma_chan[lch_queue].next_linked_ch);
1030 OMAP_DMA_CLNK_CTRL_REG(lch_queue) = w; 1030 OMAP_DMA_CLNK_CTRL_REG(lch_queue) = w;
1031} 1031}
@@ -1248,7 +1248,7 @@ EXPORT_SYMBOL(omap_dma_chain_status);
1248 * @param frame_count 1248 * @param frame_count
1249 * @param callbk_data - channel callback parameter data. 1249 * @param callbk_data - channel callback parameter data.
1250 * 1250 *
1251 * @return - Success : start_dma status 1251 * @return - Success : 0
1252 * Failure: -EINVAL/-EBUSY 1252 * Failure: -EINVAL/-EBUSY
1253 */ 1253 */
1254int omap_dma_chain_a_transfer(int chain_id, int src_start, int dest_start, 1254int 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,
1367 dma_chan[lch].flags |= OMAP_DMA_ACTIVE; 1367 dma_chan[lch].flags |= OMAP_DMA_ACTIVE;
1368 } 1368 }
1369 } 1369 }
1370 return start_dma; 1370 return 0;
1371} 1371}
1372EXPORT_SYMBOL(omap_dma_chain_a_transfer); 1372EXPORT_SYMBOL(omap_dma_chain_a_transfer);
1373 1373
@@ -1663,6 +1663,7 @@ static int omap2_dma_handle_ch(int ch)
1663 if (!status) { 1663 if (!status) {
1664 if (printk_ratelimit()) 1664 if (printk_ratelimit())
1665 printk(KERN_WARNING "Spurious DMA IRQ for lch %d\n", ch); 1665 printk(KERN_WARNING "Spurious DMA IRQ for lch %d\n", ch);
1666 omap_writel(1 << ch, OMAP_DMA4_IRQSTATUS_L0);
1666 return 0; 1667 return 0;
1667 } 1668 }
1668 if (unlikely(dma_chan[ch].dev_id == -1)) { 1669 if (unlikely(dma_chan[ch].dev_id == -1)) {