blob: 2c3c64bf75813ce5ac5dd784ff793255157855aa (
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--- driver/serial_core.c.orig 2021-06-29 16:54:33.109516866 -0400
+++ driver/serial_core.c 2021-06-29 16:55:57.331119360 -0400
@@ -911,11 +911,13 @@ static int uart_set_info(struct tty_stru
uport->custom_divisor = new_info->custom_divisor;
port->close_delay = close_delay;
port->closing_wait = closing_wait;
if (new_info->xmit_fifo_size)
uport->fifosize = new_info->xmit_fifo_size;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5,12,0)
port->low_latency = (uport->flags & UPF_LOW_LATENCY) ? 1 : 0;
+#endif
check_and_exit:
retval = 0;
if (uport->type == PORT_UNKNOWN)
goto exit;
@@ -1749,12 +1751,14 @@ static int uart_open(struct tty_struct *
* uart_close() will decrement the driver module use count.
* Any failures from here onwards should not touch the count.
*/
tty->driver_data = state;
state->uart_port->state = state;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5,12,0)
state->port.low_latency =
(state->uart_port->flags & UPF_LOW_LATENCY) ? 1 : 0;
+#endif
tty_port_tty_set(port, tty);
/*
* If the port is in the middle of closing, bail out now.
*/
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