From 7d2a956cab249cba3992d8db1e47c3f9f7679296 Mon Sep 17 00:00:00 2001
From: Tzu-Hao Wei <1396431+socrateswei@users.noreply.github.com>
Date: Wed, 18 Apr 2018 15:09:16 +0800
Subject: [PATCH] TCFLSH should use portable variable

TCFLSH for ppc64 and mips is 0x5407. Get rid of hard code here.
---
 serial_linux.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/serial_linux.go b/serial_linux.go
index 6469583..04b91dc 100644
--- a/serial_linux.go
+++ b/serial_linux.go
@@ -144,11 +144,10 @@ func (p *Port) Write(b []byte) (n int, err error) {
 // Discards data written to the port but not transmitted,
 // or data received but not read
 func (p *Port) Flush() error {
-	const TCFLSH = 0x540B
 	_, _, errno := unix.Syscall(
 		unix.SYS_IOCTL,
 		uintptr(p.f.Fd()),
-		uintptr(TCFLSH),
+		uintptr(unix.TCFLSH),
 		uintptr(unix.TCIOFLUSH),
 	)