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| author | Steven Rostedt <srostedt@redhat.com> | 2010-05-14 09:29:52 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2010-05-14 09:29:52 -0400 |
| commit | 23e117fa44429cc054cb27d5621d64e4ced91e52 (patch) | |
| tree | a4b9d0902b9c6f009b2c297515221c1b9bed3af8 /arch/arm/plat-omap/dma.c | |
| parent | 668eb65f092902eb7dd526af73d4a7f025a94612 (diff) | |
| parent | a93d2f1744206827ccf416e2cdc5018aa503314e (diff) | |
| download | linux-23e117fa44429cc054cb27d5621d64e4ced91e52.tar.bz2 | |
Merge branch 'sched/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into trace/tip/tracing/core-4
Diffstat (limited to 'arch/arm/plat-omap/dma.c')
| -rw-r--r-- | arch/arm/plat-omap/dma.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 5c6c342c53f5..1d959965ff52 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -937,6 +937,15 @@ void omap_start_dma(int lch) { u32 l; + /* + * The CPC/CDAC register needs to be initialized to zero + * before starting dma transfer. + */ + if (cpu_is_omap15xx()) + dma_write(0, CPC(lch)); + else + dma_write(0, CDAC(lch)); + if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) { int next_lch, cur_lch; char dma_chan_link_map[OMAP_DMA4_LOGICAL_DMA_CH_COUNT]; |