From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Guo Subject: [PATCH] serial/imx: add of_alias_get_id() reference back Date: Thu, 22 Sep 2011 14:48:13 +0800 Message-ID: <1316674093-14802-1-git-send-email-shawn.guo@linaro.org> References: <20110921204545.19871.99088.stgit@ponder> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20110921204545.19871.99088.stgit@ponder> Sender: linux-kernel-owner@vger.kernel.org To: Grant Likely Cc: devicetree-discuss@lists.ozlabs.org, linux-kernel@vger.kernel.org, patches@linaro.org, Shawn Guo List-Id: devicetree@vger.kernel.org As of_alias_get_id() gets fixed and ready for use, the patch adds the of_alias_get_id() reference back to imx serial driver. Signed-off-by: Shawn Guo --- drivers/tty/serial/imx.c | 13 +++++++++---- 1 files changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 4a36470..b550cff 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1318,17 +1318,22 @@ static int serial_imx_resume(struct platform_device *dev) static int serial_imx_probe_dt(struct imx_port *sport, struct platform_device *pdev) { - static int portnum = 0; struct device_node *np = pdev->dev.of_node; const struct of_device_id *of_id = of_match_device(imx_uart_dt_ids, &pdev->dev); + int ret; if (!np) return -ENODEV; - sport->port.line = portnum++; - if (sport->port.line >= UART_NR) - return -EINVAL; + ret = of_alias_get_id(np, "serial"); + if (ret < 0) { + pr_err("%s: failed to get alias id, errno %d\n", + __func__, ret); + return -ENODEV; + } else { + sport->port.line = ret; + } if (of_get_property(np, "fsl,uart-has-rtscts", NULL)) sport->have_rtscts = 1; -- 1.7.4.1