1793 		    struct xhci_erst *erst,  in xhci_alloc_erst()  argument
1802 	erst->entries = dma_zalloc_coherent(xhci_to_hcd(xhci)->self.sysdev,  in xhci_alloc_erst()
1803 					    size, &erst->erst_dma_addr, flags);  in xhci_alloc_erst()
1804 	if (!erst->entries)  in xhci_alloc_erst()
1807 	erst->num_entries = evt_ring->num_segs;  in xhci_alloc_erst()
1811 		entry = &erst->entries[val];  in xhci_alloc_erst()
1821 void xhci_free_erst(struct xhci_hcd *xhci, struct xhci_erst *erst)  in xhci_free_erst()  argument
1826 	size = sizeof(struct xhci_erst_entry) * (erst->num_entries);  in xhci_free_erst()
1827 	if (erst->entries)  in xhci_free_erst()
1829 				erst->entries,  in xhci_free_erst()
1830 				erst->erst_dma_addr);  in xhci_free_erst()
1831 	erst->entries = NULL;  in xhci_free_erst()
1841 	xhci_free_erst(xhci, &xhci->erst);  in xhci_mem_cleanup()
2502 	ret = xhci_alloc_erst(xhci, xhci->event_ring, &xhci->erst, flags);  in xhci_mem_init()
2520 			(unsigned long long)xhci->erst.erst_dma_addr);  in xhci_mem_init()
2523 	val_64 |= (xhci->erst.erst_dma_addr & (u64) ~ERST_PTR_MASK);  in xhci_mem_init()