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-rw-r--r--arch/arm/plat-omap/dma.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index fd3154ae69b1..b53125f41293 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -829,10 +829,10 @@ EXPORT_SYMBOL(omap_free_dma);
829 * 829 *
830 * @param arb_rate 830 * @param arb_rate
831 * @param max_fifo_depth 831 * @param max_fifo_depth
832 * @param tparams - Number of thereads to reserve : DMA_THREAD_RESERVE_NORM 832 * @param tparams - Number of threads to reserve : DMA_THREAD_RESERVE_NORM
833 * DMA_THREAD_RESERVE_ONET 833 * DMA_THREAD_RESERVE_ONET
834 * DMA_THREAD_RESERVE_TWOT 834 * DMA_THREAD_RESERVE_TWOT
835 * DMA_THREAD_RESERVE_THREET 835 * DMA_THREAD_RESERVE_THREET
836 */ 836 */
837void 837void
838omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams) 838omap_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)
844 return; 844 return;
845 } 845 }
846 846
847 if (max_fifo_depth == 0)
848 max_fifo_depth = 1;
847 if (arb_rate == 0) 849 if (arb_rate == 0)
848 arb_rate = 1; 850 arb_rate = 1;
849 851
850 reg = (arb_rate & 0xff) << 16; 852 reg = 0xff & max_fifo_depth;
851 reg |= (0xff & max_fifo_depth); 853 reg |= (0x3 & tparams) << 12;
854 reg |= (arb_rate & 0xff) << 16;
852 855
853 dma_write(reg, GCR); 856 dma_write(reg, GCR);
854} 857}
@@ -975,6 +978,14 @@ void omap_stop_dma(int lch)
975{ 978{
976 u32 l; 979 u32 l;
977 980
981 /* Disable all interrupts on the channel */
982 if (cpu_class_is_omap1())
983 dma_write(0, CICR(lch));
984
985 l = dma_read(CCR(lch));
986 l &= ~OMAP_DMA_CCR_EN;
987 dma_write(l, CCR(lch));
988
978 if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) { 989 if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {
979 int next_lch, cur_lch = lch; 990 int next_lch, cur_lch = lch;
980 char dma_chan_link_map[OMAP_DMA4_LOGICAL_DMA_CH_COUNT]; 991 char dma_chan_link_map[OMAP_DMA4_LOGICAL_DMA_CH_COUNT];
@@ -992,18 +1003,8 @@ void omap_stop_dma(int lch)
992 next_lch = dma_chan[cur_lch].next_lch; 1003 next_lch = dma_chan[cur_lch].next_lch;
993 cur_lch = next_lch; 1004 cur_lch = next_lch;
994 } while (next_lch != -1); 1005 } while (next_lch != -1);
995
996 return;
997 } 1006 }
998 1007
999 /* Disable all interrupts on the channel */
1000 if (cpu_class_is_omap1())
1001 dma_write(0, CICR(lch));
1002
1003 l = dma_read(CCR(lch));
1004 l &= ~OMAP_DMA_CCR_EN;
1005 dma_write(l, CCR(lch));
1006
1007 dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE; 1008 dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE;
1008} 1009}
1009EXPORT_SYMBOL(omap_stop_dma); 1010EXPORT_SYMBOL(omap_stop_dma);