omap: SDMA: Fixing bug in omap_dma_set_global_params()

[safe/jmp/linux-2.6] / arch / arm / plat-omap / dma.c

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index fd3154a..0eb676d 100644 (file)
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -829,10 +829,10 @@ EXPORT_SYMBOL(omap_free_dma);
  *
  * @param arb_rate
  * @param max_fifo_depth
- * @param tparams - Number of thereads to reserve : DMA_THREAD_RESERVE_NORM
- *                                                 DMA_THREAD_RESERVE_ONET
- *                                                 DMA_THREAD_RESERVE_TWOT
- *                                                 DMA_THREAD_RESERVE_THREET
+ * @param tparams - Number of threads to reserve : DMA_THREAD_RESERVE_NORM
+ *                                                DMA_THREAD_RESERVE_ONET
+ *                                                DMA_THREAD_RESERVE_TWOT
+ *                                                DMA_THREAD_RESERVE_THREET
  */
 void
 omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams)
@@ -844,11 +844,14 @@ omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams)
                return;
        }
 
+       if (max_fifo_depth == 0)
+               max_fifo_depth = 1;
        if (arb_rate == 0)
                arb_rate = 1;
 
-       reg = (arb_rate & 0xff) << 16;
-       reg |= (0xff & max_fifo_depth);
+       reg = 0xff & max_fifo_depth;
+       reg |= (0x3 & tparams) << 12;
+       reg |= (arb_rate & 0xff) << 16;
 
        dma_write(reg, GCR);
 }