Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760302AbaJ3PFJ (ORCPT ); Thu, 30 Oct 2014 11:05:09 -0400 Received: from 3.mo68.mail-out.ovh.net ([46.105.58.60]:45342 "EHLO mo68.mail-out.ovh.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757013AbaJ3PFG (ORCPT ); Thu, 30 Oct 2014 11:05:06 -0400 X-Greylist: delayed 105205 seconds by postgrey-1.27 at vger.kernel.org; Thu, 30 Oct 2014 11:05:06 EDT From: Julien CHAUVEAU To: gregkh@linuxfoundation.org Cc: jslaby@suse.cz, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Julien CHAUVEAU Subject: [PATCH] serial: 8250_dw: get index of serial line from DT aliases Date: Thu, 30 Oct 2014 15:58:49 +0100 Message-Id: <1414681129-10578-1-git-send-email-julien.chauveau@neo-technologies.fr> X-Mailer: git-send-email 2.1.0 X-Ovh-Tracer-Id: 6023564503345135734 X-Ovh-Remote: 193.248.240.88 (laubervilliers-656-01-116-88.w193-248.abo.wanadoo.fr) X-Ovh-Local: 213.186.33.20 (ns0.ovh.net) X-OVH-SPAMSTATE: OK X-OVH-SPAMSCORE: 0 X-OVH-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrfeejhedrfeduucetufdoteggodetrfcurfhrohhfihhlvgemucfqggfjnecuuegrihhlohhuthemuceftddtnecu X-Spam-Check: DONE|U 0.5/N X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: 0 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrfeejhedrfeduucetufdoteggodetrfcurfhrohhfihhlvgemucfqggfjnecuuegrihhlohhuthemuceftddtnecu Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Get index of serial line from device tree using function of_alias_get_id(). If no alias is found, the 8250 core takes care of incrementing the line number. Signed-off-by: Julien CHAUVEAU --- drivers/tty/serial/8250/8250_dw.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index beea6ca..5416355 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -293,6 +293,11 @@ static int dw8250_probe_of(struct uart_port *p, if (!of_property_read_u32(np, "reg-shift", &val)) p->regshift = val; + /* get index of serial line, if found in DT aliases */ + val = of_alias_get_id(np, "serial"); + if (val >= 0) + p->line = val; + /* clock got configured through clk api, all done */ if (p->uartclk) return 0; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/