commit a75b7b68ef73685784781d6d2bc416b6dac20969
author Jiri Slaby <jirislaby@gmail.com> Thu Sep 10 12:20:08 2009 +0200
committer Live-CD User <linux@linux.site> Sat Sep 19 13:13:38 2009 -0700
tree f8af24a2c721da8efb3290315555e49c8e50429b
parent 502f295f6ca5cd034c69b0662b251ffdeed95d33

tty: Char: mxser, use THRE for ASPP_OQUEUE ioctl

In moxa specific ASPP_OQUEUE ioctl command, they apparently want
only know whether there is space in transmitter hold register.

So switch UART_LSR_TEMT to UART_LSR_THRE in that specific case
according to the change in 1.14 moxa drivers.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/char/mxser.c

diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index e218ae2..5e28d39 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -1806,7 +1806,7 @@
 
 		lock_kernel();
 		len = mxser_chars_in_buffer(tty);
-		lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_TEMT;
+		lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_THRE;
 		len += (lsr ? 0 : 1);
 		unlock_kernel();