137 static spinlock_t dma_chan_lock;  variable
583 	spin_lock_irqsave(&dma_chan_lock, flags);  in omap2_enable_irq_lch()
590 	spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap2_enable_irq_lch()
601 	spin_lock_irqsave(&dma_chan_lock, flags);  in omap2_disable_irq_lch()
608 	spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap2_disable_irq_lch()
621 	spin_lock_irqsave(&dma_chan_lock, flags);  in omap_request_dma()
630 		spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap_request_dma()
642 	spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap_request_dma()
714 	spin_lock_irqsave(&dma_chan_lock, flags);  in omap_free_dma()
718 	spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap_free_dma()
946 	spin_lock_irqsave(&dma_chan_lock, flags);  in omap_set_dma_callback()
949 		spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap_set_dma_callback()
954 	spin_unlock_irqrestore(&dma_chan_lock, flags);  in omap_set_dma_callback()
1335 	spin_lock_init(&dma_chan_lock);  in omap_system_dma_probe()