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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-13 15:52:12 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-13 15:52:12 -0700 |
| commit | ca17749259d26f7ddbb0678790d5d534018d0a6b (patch) | |
| tree | 730e0bd336e78d673760df2b4116277af1c8c495 /drivers/tty/serial/imx.c | |
| parent | 07584d4a356ef52c084e1e4fedc22858ffc2f8b2 (diff) | |
| parent | 1795cd9b3a91d4b5473c97f491d63892442212ab (diff) | |
| download | linux-ca17749259d26f7ddbb0678790d5d534018d0a6b.tar.bz2 | |
Merge 3.16-rc5 into tty-next.
We want those fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/imx.c')
| -rw-r--r-- | drivers/tty/serial/imx.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index e2f93874989b..044e86d528ae 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -567,6 +567,9 @@ static void imx_start_tx(struct uart_port *port) struct imx_port *sport = (struct imx_port *)port; unsigned long temp; + if (uart_circ_empty(&port->state->xmit)) + return; + if (USE_IRDA(sport)) { /* half duplex in IrDA mode; have to disable receive mode */ temp = readl(sport->port.membase + UCR4); |