3  * OHCI HCD (Host Controller Driver) for USB.
14  * OHCI deals with three types of memory:
27 static void ohci_hcd_init (struct ohci_hcd *ohci)  in ohci_hcd_init()  argument
29 	ohci->next_statechange = jiffies;  in ohci_hcd_init()
30 	spin_lock_init (&ohci->lock);  in ohci_hcd_init()
31 	INIT_LIST_HEAD (&ohci->pending);  in ohci_hcd_init()
32 	INIT_LIST_HEAD(&ohci->eds_in_use);  in ohci_hcd_init()
37 static int ohci_mem_init (struct ohci_hcd *ohci)  in ohci_mem_init()  argument
43 	if (ohci_to_hcd(ohci)->localmem_pool)  in ohci_mem_init()
46 	ohci->td_cache = dma_pool_create ("ohci_td",  in ohci_mem_init()
47 		ohci_to_hcd(ohci)->self.controller,  in ohci_mem_init()
51 	if (!ohci->td_cache)  in ohci_mem_init()
53 	ohci->ed_cache = dma_pool_create ("ohci_ed",  in ohci_mem_init()
54 		ohci_to_hcd(ohci)->self.controller,  in ohci_mem_init()
58 	if (!ohci->ed_cache) {  in ohci_mem_init()
59 		dma_pool_destroy (ohci->td_cache);  in ohci_mem_init()
65 static void ohci_mem_cleanup (struct ohci_hcd *ohci)  in ohci_mem_cleanup()  argument
67 	dma_pool_destroy(ohci->td_cache);  in ohci_mem_cleanup()
68 	ohci->td_cache = NULL;  in ohci_mem_cleanup()
69 	dma_pool_destroy(ohci->ed_cache);  in ohci_mem_cleanup()
70 	ohci->ed_cache = NULL;  in ohci_mem_cleanup()
75 /* ohci "done list" processing needs this mapping */