133 static spinlock_t dma_chan_lock;  variable
579 	spin_lock_irqsave(&dma_chan_lock, flags);  in omap2_enable_irq_lch()
586 	spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap2_enable_irq_lch()
597 	spin_lock_irqsave(&dma_chan_lock, flags);  in omap2_disable_irq_lch()
604 	spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap2_disable_irq_lch()
617 	spin_lock_irqsave(&dma_chan_lock, flags);  in omap_request_dma()
626 		spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap_request_dma()
638 	spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap_request_dma()
710 	spin_lock_irqsave(&dma_chan_lock, flags);  in omap_free_dma()
714 	spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap_free_dma()
942 	spin_lock_irqsave(&dma_chan_lock, flags);  in omap_set_dma_callback()
945 		spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap_set_dma_callback()
950 	spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap_set_dma_callback()
1331 	spin_lock_init(&dma_chan_lock);  in omap_system_dma_probe()