diff options
Diffstat (limited to 'arch/arm/mach-mx5/dmaengine.c')
| -rw-r--r-- | arch/arm/mach-mx5/dmaengine.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/arm/mach-mx5/dmaengine.c b/arch/arm/mach-mx5/dmaengine.c index b8aad6c0b73f..ff3bb3553068 100644 --- a/arch/arm/mach-mx5/dmaengine.c +++ b/arch/arm/mach-mx5/dmaengine.c @@ -128,13 +128,11 @@ int mxs_dma_enable(int channel) return -EINVAL; pdma = pchan->dma; - mutex_lock(&mxs_dma_mutex); spin_lock_irqsave(&pchan->lock, flags); if (pchan->pending_num && pdma->enable) ret = pdma->enable(pchan, channel - pdma->chan_base); pchan->flags |= MXS_DMA_FLAGS_BUSY; spin_unlock_irqrestore(&pchan->lock, flags); - mutex_unlock(&mxs_dma_mutex); return ret; } EXPORT_SYMBOL(mxs_dma_enable); @@ -152,7 +150,6 @@ void mxs_dma_disable(int channel) if (!(pchan->flags & MXS_DMA_FLAGS_BUSY)) return; pdma = pchan->dma; - mutex_lock(&mxs_dma_mutex); spin_lock_irqsave(&pchan->lock, flags); if (pdma->disable) pdma->disable(pchan, channel - pdma->chan_base); @@ -161,7 +158,6 @@ void mxs_dma_disable(int channel) pchan->pending_num = 0; list_splice_init(&pchan->active, &pchan->done); spin_unlock_irqrestore(&pchan->lock, flags); - mutex_unlock(&mxs_dma_mutex); } EXPORT_SYMBOL(mxs_dma_disable); |