From 72fda3ca6fc14662bb385d1e39e9e00af15b200d Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Mon, 11 May 2009 15:24:10 -0500
Subject: [PATCH] USB: serial: ftd_sio: implement sysrq handling on break
Change driver to make use of the new functions in
include/linux/usb/serial.h so as to allow the driver to handle the
sysrq
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/ftdi_sio.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index fc527de73465..fc423583eede 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2120,6 +2120,7 @@ static void ftdi_process_read(struct work_struct *work)
if (data[packet_offset+1] & FTDI_RS_BI) {
error_flag = TTY_BREAK;
dbg("BREAK received");
+ usb_serial_handle_break(port);
}
if (data[packet_offset+1] & FTDI_RS_PE) {
error_flag = TTY_PARITY;
@@ -2134,8 +2135,11 @@ static void ftdi_process_read(struct work_struct *work)
/* Note that the error flag is duplicated for
every character received since we don't know
which character it applied to */
- tty_insert_flip_char(tty,
- data[packet_offset + i], error_flag);
+ if (!usb_serial_handle_sysrq_char(port,
+ data[packet_offset + i]))
+ tty_insert_flip_char(tty,
+ data[packet_offset + i],
+ error_flag);
}
need_flip = 1;
}
--
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