From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Jan 2019 21:36:24 +0000 (+0000)
Subject: z280rc: fix tty blocking
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=ce0c1f9a8ca5199a949f07a4c14cd0ecd5823992;p=FUZIX.git

z280rc: fix tty blocking
---

diff --git a/Kernel/platform-z280rc/devtty.c b/Kernel/platform-z280rc/devtty.c
index baa3088d..b32bb6cf 100644
--- a/Kernel/platform-z280rc/devtty.c
+++ b/Kernel/platform-z280rc/devtty.c
@@ -39,8 +39,10 @@ struct s_queue ttyinq[NUM_DEV_TTY + 1] = {	/* ttyinq[0] is never used */
 
 void kputchar(char c)
 {
+	while(tty_writeready(1) != TTY_READY_NOW);
 	if (c == '\n')
 		tty_putc(1, '\r');
+	while(tty_writeready(1) != TTY_READY_NOW);
 	tty_putc(1, c);
 }