From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: [PATCH 1/3] tty/serial: of_serial: add DT alias ID handling Date: Mon, 26 Jan 2015 22:50:07 -0600 Message-ID: <1422334209-23125-1-git-send-email-robh@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: linux-serial@vger.kernel.org Cc: Rob Herring , Jiri Slaby , linux-arm-kernel@lists.infradead.org, Greg Kroah-Hartman List-Id: linux-serial@vger.kernel.org Add support for alias parsing from the DT. This allows for consistent tty numbering. Signed-off-by: Rob Herring Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: linux-serial@vger.kernel.org --- drivers/tty/serial/of_serial.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c index 64f1bab..3194b42 100644 --- a/drivers/tty/serial/of_serial.c +++ b/drivers/tty/serial/of_serial.c @@ -128,6 +128,10 @@ static int of_platform_serial_setup(struct platform_device *ofdev, if (of_find_property(np, "no-loopback-test", NULL)) port->flags |= UPF_SKIP_TEST; + ret = of_alias_get_id(np, "serial"); + if (ret >= 0) + port->line = ret; + port->dev = &ofdev->dev; switch (type) { -- 2.1.0