sprd_ports_num 136 drivers/tty/serial/sprd_serial.c static int sprd_ports_num; sprd_ports_num 1107 drivers/tty/serial/sprd_serial.c sprd_ports_num--; sprd_ports_num 1110 drivers/tty/serial/sprd_serial.c if (!sprd_ports_num) sprd_ports_num 1224 drivers/tty/serial/sprd_serial.c if (!sprd_ports_num) { sprd_ports_num 1231 drivers/tty/serial/sprd_serial.c sprd_ports_num++;