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--- rocketrp2.c.orig 2021-08-10 20:56:17.604171941 -0400
+++ rocketrp2.c 2021-08-10 20:57:28.365337602 -0400
@@ -115,11 +115,15 @@
# define rp2_tty_buffer_request_room(tty,size) tty_buffer_request_room(tty,size)
# define rp2_tty_insert_flip_string(tty,cbuf,size) tty_insert_flip_string(tty,cbuf,size)
# define rp2_tty_insert_flip_string_flags(tty,cbuf,fbuf,size) tty_insert_flip_string_flags(tty,cbuf,fbuf,size)
#else
# define rp2_tty_flip_buffer_push(up) tty_flip_buffer_push(&up->port.state->port)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5,12,0)
# define rp2_tty_is_low_latency(tty) tty->port->low_latency
+#else
+# define rp2_tty_is_low_latency(tty) (0)
+#endif
# define rp2_tty_buffer_request_room(tty,size) tty_buffer_request_room(tty->port,size)
# define rp2_tty_insert_flip_string(tty,cbuf,size) tty_insert_flip_string(tty->port,cbuf,size)
# define rp2_tty_insert_flip_string_flags(tty,cbuf,fbuf,size) tty_insert_flip_string_flags(tty->port,cbuf,fbuf,size)
#endif
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