UPF_LOW_LATENCY 1347 drivers/tty/serial/max310x.c s->p[i].port.flags = UPF_FIXED_TYPE | UPF_LOW_LATENCY; UPF_LOW_LATENCY 705 drivers/tty/serial/meson_uart.c port->flags = UPF_BOOT_AUTOCONF | UPF_LOW_LATENCY; UPF_LOW_LATENCY 700 drivers/tty/serial/owl-uart.c owl_port->port.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_LOW_LATENCY; UPF_LOW_LATENCY 1485 drivers/tty/serial/pch_uart.c if (serinfo->flags & UPF_LOW_LATENCY) { UPF_LOW_LATENCY 1489 drivers/tty/serial/pch_uart.c serinfo->flags &= ~UPF_LOW_LATENCY; UPF_LOW_LATENCY 769 drivers/tty/serial/rda-uart.c UPF_LOW_LATENCY; UPF_LOW_LATENCY 1263 drivers/tty/serial/sc16is7xx.c s->p[i].port.flags = UPF_FIXED_TYPE | UPF_LOW_LATENCY; UPF_LOW_LATENCY 976 drivers/tty/serial/serial_core.c port->low_latency = (uport->flags & UPF_LOW_LATENCY) ? 1 : 0; UPF_LOW_LATENCY 1791 drivers/tty/serial/serial_core.c port->low_latency = (uport->flags & UPF_LOW_LATENCY) ? 1 : 0; UPF_LOW_LATENCY 217 include/linux/serial_core.h #define UPF_USR_MASK ((__force upf_t) (UPF_SPD_MASK|UPF_LOW_LATENCY))