Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755481AbaJ2HmN (ORCPT ); Wed, 29 Oct 2014 03:42:13 -0400 Received: from hqemgate16.nvidia.com ([216.228.121.65]:15289 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752224AbaJ2HmL (ORCPT ); Wed, 29 Oct 2014 03:42:11 -0400 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Wed, 29 Oct 2014 00:41:29 -0700 Message-ID: <54509A3B.5090709@nvidia.com> Date: Wed, 29 Oct 2014 16:41:47 +0900 From: Alexandre Courbot Organization: NVIDIA User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: "Rafael J. Wysocki" , Mika Westerberg , Linus Walleij , Arnd Bergmann CC: Darren Hart , , Subject: Re: [PATCH] ACPI / GPIO: Pass index to acpi_get_gpiod_by_index() when using properties References: <1414494927-204923-1-git-send-email-mika.westerberg@linux.intel.com> <2740724.5yjNTKs1RY@vostro.rjw.lan> In-Reply-To: <2740724.5yjNTKs1RY@vostro.rjw.lan> X-NVConfidentiality: public X-Originating-IP: [10.19.57.128] X-ClientProxiedBy: HKMAIL104.nvidia.com (10.18.16.13) To HKMAIL102.nvidia.com (10.18.16.11) Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/29/2014 06:59 AM, Rafael J. Wysocki wrote: > On Tuesday, October 28, 2014 01:15:27 PM Mika Westerberg wrote: >> acpi_dev_add_driver_gpios() makes it possible to set up mapping between >> properties and ACPI GpioIo resources in a driver, so we can take index >> parameter in acpi_find_gpio() into use with _DSD device properties now. >> >> This index can be used to select a GPIO from a property with multiple >> GPIOs: >> >> Package () { >> "data-gpios", >> Package () { >> \_SB.GPIO, 0, 0, 0, >> \_SB.GPIO, 1, 0, 0, >> \_SB.GPIO, 2, 0, 1, >> } >> } >> >> In order to retrieve the last GPIO from a driver we can simply do: >> >> desc = devm_gpiod_get_index(dev, "data", 2); >> >> and so on. >> >> Signed-off-by: Mika Westerberg > > Cool. :-) > > Any objections anyone? Looks good to me! Acked-by: Alexandre Courbot Since this looks like a bug fix, shouldn't this be squashed into the relevant patch of the device-properties set? -- 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/