1886 		    struct xhci_erst *erst,  in xhci_alloc_erst()  argument
1895 	erst->entries = dma_alloc_coherent(xhci_to_hcd(xhci)->self.sysdev,  in xhci_alloc_erst()
1896 					   size, &erst->erst_dma_addr, flags);  in xhci_alloc_erst()
1897 	if (!erst->entries)  in xhci_alloc_erst()
1900 	erst->num_entries = evt_ring->num_segs;  in xhci_alloc_erst()
1904 		entry = &erst->entries[val];  in xhci_alloc_erst()
1915 void xhci_free_erst(struct xhci_hcd *xhci, struct xhci_erst *erst)  in xhci_free_erst()  argument
1920 	size = sizeof(struct xhci_erst_entry) * (erst->num_entries);  in xhci_free_erst()
1921 	if (erst->entries)  in xhci_free_erst()
1923 				erst->entries,  in xhci_free_erst()
1924 				erst->erst_dma_addr);  in xhci_free_erst()
1925 	erst->entries = NULL;  in xhci_free_erst()
1954 	xhci_free_erst(xhci, &xhci->erst);  in xhci_mem_cleanup()
2645 	ret = xhci_alloc_erst(xhci, xhci->event_ring, &xhci->erst, flags);  in xhci_mem_init()
2663 			(unsigned long long)xhci->erst.erst_dma_addr);  in xhci_mem_init()
2666 	val_64 |= (xhci->erst.erst_dma_addr & (u64) ~ERST_PTR_MASK);  in xhci_mem_init()