Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751104AbdGMGoi (ORCPT ); Thu, 13 Jul 2017 02:44:38 -0400 Received: from thoth.sbs.de ([192.35.17.2]:54145 "EHLO thoth.sbs.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750877AbdGMGof (ORCPT ); Thu, 13 Jul 2017 02:44:35 -0400 To: Linus Walleij , Rob Herring , Mark Rutland Cc: linux-gpio , devicetree , Linux Kernel Mailing List , Andy Shevchenko , Greg Kroah-Hartman From: Jan Kiszka Subject: [PATCH] gpio-exar: Use correct property prefix and document bindings Message-ID: <491bf615-f1d2-13ff-fa6e-fe5350a0b3b0@siemens.com> Date: Thu, 13 Jul 2017 08:44:26 +0200 User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2175 Lines: 59 The device-specific property should be prefixed with the vendor name Change this and document the bindings of this platform device. Signed-off-by: Jan Kiszka --- Documentation/devicetree/bindings/gpio/gpio-exar.txt | 5 +++++ drivers/gpio/gpio-exar.c | 2 +- drivers/tty/serial/8250/8250_exar.c | 4 ++-- 3 files changed, 8 insertions(+), 3 deletions(-) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-exar.txt diff --git a/Documentation/devicetree/bindings/gpio/gpio-exar.txt b/Documentation/devicetree/bindings/gpio/gpio-exar.txt new file mode 100644 index 000000000000..452180229b36 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-exar.txt @@ -0,0 +1,5 @@ +Exportable MPIO interface of Exar UART chips + +Required properties of platform device: + - exar,first-pin: first exportable pins (0..15) + - ngpios: number of exportable pins (1..16) diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c index fb8d304cfa17..0ecd2369c2ca 100644 --- a/drivers/gpio/gpio-exar.c +++ b/drivers/gpio/gpio-exar.c @@ -132,7 +132,7 @@ static int gpio_exar_probe(struct platform_device *pdev) if (!p) return -ENOMEM; - ret = device_property_read_u32(&pdev->dev, "linux,first-pin", + ret = device_property_read_u32(&pdev->dev, "exar,first-pin", &first_pin); if (ret) return ret; diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index b5c98e5bf524..c6360fbdf808 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -261,7 +261,7 @@ __xr17v35x_register_gpio(struct pci_dev *pcidev, } static const struct property_entry exar_gpio_properties[] = { - PROPERTY_ENTRY_U32("linux,first-pin", 0), + PROPERTY_ENTRY_U32("exar,first-pin", 0), PROPERTY_ENTRY_U32("ngpios", 16), { } }; @@ -326,7 +326,7 @@ static int iot2040_rs485_config(struct uart_port *port, } static const struct property_entry iot2040_gpio_properties[] = { - PROPERTY_ENTRY_U32("linux,first-pin", 10), + PROPERTY_ENTRY_U32("exar,first-pin", 10), PROPERTY_ENTRY_U32("ngpios", 1), { } }; -- 2.12.3