[OSS-Tools] [PATCH 1/2] serial: open port with O_NONBLOCK

[Uwe Kleine-König]

I don't know when this is necessary, but sometimes the pl2303 on an
espressobin board blocks on open() otherwise. kermit uses O_NONBLOCK,
too.

Signed-off-by: Uwe Kleine-König <u.kleine-koe...@pengutronix.de>
---
 serial.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/serial.c b/serial.c
index 00b817d9c94f..0778fe1d8698 100644
--- a/serial.c
+++ b/serial.c
@@ -203,7 +203,7 @@ struct ios_ops * serial_init(char *device)
        close(fd);
 force:
        /* open the device */
-       fd = open(device, O_RDWR);
+       fd = open(device, O_RDWR | O_NONBLOCK);
        ops->fd = fd;
 
        if (fd < 0) {
-- 
2.16.1


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