diff options
| -rw-r--r-- | src/mm-serial-port.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mm-serial-port.c b/src/mm-serial-port.c index 6a944835..94903bc8 100644 --- a/src/mm-serial-port.c +++ b/src/mm-serial-port.c @@ -26,6 +26,7 @@ #include <errno.h> #include <sys/ioctl.h> #include <string.h> +#include <linux/serial.h> #include "mm-serial-port.h" #include "mm-errors.h" @@ -685,6 +686,7 @@ mm_serial_port_open (MMSerialPort *self, GError **error) char *devfile; const char *device; GTimeVal tv; + struct serial_struct sinfo; g_return_val_if_fail (MM_IS_SERIAL_PORT (self), FALSE); @@ -740,6 +742,15 @@ mm_serial_port_open (MMSerialPort *self, GError **error) if (!MM_SERIAL_PORT_GET_CLASS (self)->config_fd (self, priv->fd, error)) goto error; + /* Don't wait for pending data when closing the port; this can cause some + * stupid devices that don't respond to URBs on a particular port to hang + * for 30 seconds when probin fails. + */ + if (ioctl (priv->fd, TIOCGSERIAL, &sinfo) == 0) { + sinfo.closing_wait = ASYNC_CLOSING_WAIT_NONE; + ioctl (priv->fd, TIOCSSERIAL, &sinfo); + } + priv->channel = g_io_channel_unix_new (priv->fd); g_io_channel_set_encoding (priv->channel, NULL, NULL); priv->watch_id = g_io_add_watch (priv->channel, |