diff options
author | David S. Miller <davem@davemloft.net> | 2009-03-18 23:53:57 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2009-03-18 23:53:57 -0700 |
commit | 0702b30dd821ac8a4103ddbe545518713fdca9be (patch) | |
tree | 8ce0c9f5e58c5ccb99870505eecd139986caa05e /drivers/dma/fsldma.c | |
parent | 192d7a4667c6d11d1a174ec4cad9a3c5d5f9043c (diff) | |
parent | a1e4ee22863d41a6fbb24310d7951836cb6dafe7 (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/dma/fsldma.c')
-rw-r--r-- | drivers/dma/fsldma.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 70126a60623..86d6da47f55 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -158,7 +158,8 @@ static void dma_start(struct fsl_dma_chan *fsl_chan) static void dma_halt(struct fsl_dma_chan *fsl_chan) { - int i = 0; + int i; + DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr, DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32) | FSL_DMA_MR_CA, 32); @@ -166,8 +167,11 @@ static void dma_halt(struct fsl_dma_chan *fsl_chan) DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32) & ~(FSL_DMA_MR_CS | FSL_DMA_MR_EMS_EN | FSL_DMA_MR_CA), 32); - while (!dma_is_idle(fsl_chan) && (i++ < 100)) + for (i = 0; i < 100; i++) { + if (dma_is_idle(fsl_chan)) + break; udelay(10); + } if (i >= 100 && !dma_is_idle(fsl_chan)) dev_err(fsl_chan->dev, "DMA halt timeout!\n"); } |