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Diffstat (limited to 'arch/arm/plat-omap/dma.c')
-rw-r--r--arch/arm/plat-omap/dma.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index fd3154ae69b..0eb676d7e80 100644
--- 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);
}