From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752985AbaHSMPr (ORCPT ); Tue, 19 Aug 2014 08:15:47 -0400 Received: from filter1.ibarracuda.nl ([83.247.7.10]:51210 "EHLO filter1.ibarracuda.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752686AbaHSMPB (ORCPT ); Tue, 19 Aug 2014 08:15:01 -0400 X-ASG-Debug-ID: 1408450499-0759e7416b4764220002-xx1T2L X-Barracuda-Envelope-From: Frans.Klaver@xsens.com X-Barracuda-AUTH-User: xsenscom X-Barracuda-Apparent-Source-IP: 87.249.116.215 From: Frans Klaver To: Felipe Balbi CC: Frans Klaver , Tony Lindgren , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Greg Kroah-Hartman , Alexey Pelykh , Jiri Slaby , Frans Klaver , , , , , Subject: [PATCH 4/4] tty: omap-serial: support setting of hardware flow control in dts Date: Tue, 19 Aug 2014 14:14:48 +0200 X-ASG-Orig-Subj: [PATCH 4/4] tty: omap-serial: support setting of hardware flow control in dts Message-ID: <1408450488-4083-5-git-send-email-frans.klaver@xsens.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1408450488-4083-1-git-send-email-frans.klaver@xsens.com> References: <1406645577-18620-1-git-send-email-frans.klaver@xsens.com> <1408450488-4083-1-git-send-email-frans.klaver@xsens.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.16.11.49] X-Barracuda-Connect: rev-215.116.249.87.virtu.nl[87.249.116.215] X-Barracuda-Start-Time: 1408450499 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://filter1.ibarracuda.nl:8000/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=5.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.8612 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This makes hardware flow control availability configurable from the device tree. Signed-off-by: Frans Klaver --- Documentation/devicetree/bindings/serial/omap_serial.txt | 1 + drivers/tty/serial/omap-serial.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/serial/omap_serial.txt b/Documentation/devicetree/bindings/serial/omap_serial.txt index 342eedd..1b629e9 100644 --- a/Documentation/devicetree/bindings/serial/omap_serial.txt +++ b/Documentation/devicetree/bindings/serial/omap_serial.txt @@ -8,3 +8,4 @@ Required properties: Optional properties: - clock-frequency : frequency of the clock input to the UART +- has-hw-flow-control : the hardware has flow control capability diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 57664b9..7d3b3d2 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -1598,6 +1598,10 @@ static struct omap_uart_port_info *of_get_uart_port_info(struct device *dev) of_property_read_u32(dev->of_node, "clock-frequency", &omap_up_info->uartclk); + + if (of_property_read_bool(dev->of_node, "has-hw-flow-control")) + omap_up_info->flags |= UPF_HARD_FLOW; + return omap_up_info; } -- 1.9.3