usb/host/xhci-hub.c

1676 	int max_ports, port_index;
1706 	port_index = max_ports;
1707 	while (port_index--) {
1711 		t1 = readl(ports[port_index]->addr);
1713 		portsc_buf[port_index] = 0;
1725 				 hcd->self.busnum, port_index + 1);
1744 				 hcd->self.busnum, port_index + 1);
1747 			set_bit(port_index, &bus_state->bus_suspended);
1765 							  port_index))
1773 			portsc_buf[port_index] = t2;
1777 	port_index = max_ports;
1778 	while (port_index--) {
1779 		if (!portsc_buf[port_index])
1781 		if (test_bit(port_index, &bus_state->bus_suspended)) {
1782 			int slot_id = ports[port_index]->slot_id;
1789 		writel(portsc_buf[port_index], ports[port_index]->addr);
1834 	int max_ports, port_index;
1866 	port_index = max_ports;
1867 	while (port_index--) {
1868 		portsc = readl(ports[port_index]->addr);
1873 		    xhci_port_missing_cas_quirk(ports[port_index])) {
1875 				 hcd->self.busnum, port_index + 1);
1876 			clear_bit(port_index, &bus_state->bus_suspended);
1880 		if (test_bit(port_index, &bus_state->bus_suspended))
1892 				clear_bit(port_index,
1898 		writel(portsc, ports[port_index]->addr);
1908 		for_each_set_bit(port_index, &bus_state->bus_suspended,
1911 			xhci_test_and_clear_bit(xhci, ports[port_index],
1913 			xhci_set_link_state(xhci, ports[port_index], XDEV_U0);
1918 	for_each_set_bit(port_index, &bus_state->bus_suspended, BITS_PER_LONG) {
1919 		sret = xhci_handshake(ports[port_index]->addr, PORT_PLC,
1923 				  hcd->self.busnum, port_index + 1);
1926 		xhci_test_and_clear_bit(xhci, ports[port_index], PORT_PLC);
1927 		if (ports[port_index]->slot_id)
1928 			xhci_ring_device(xhci, ports[port_index]->slot_id);