From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BCEEBC433E1 for ; Thu, 27 Aug 2020 06:16:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 925FF2177B for ; Thu, 27 Aug 2020 06:16:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598508973; bh=6zeLucA6235H7Hh7LDno9ciwBQVAjzeItpYUfuq68Tg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=tOfE93AtbPNo7TBrKtEQx5H+kG5LYwWhQqb9AjFw+LvTF/aLmSvOdef6zF6hnKczW 2iA9fVqpwa1AZpPhvipIH7iXn0Rt3twMdkJPZwfFnB5hpPBs8guLAlIYkDyEs0Tv8J UwTXnEuT7qMMeIljNFqTJJM3Pzp8dz5pm41EL2MY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726028AbgH0GQN (ORCPT ); Thu, 27 Aug 2020 02:16:13 -0400 Received: from mail-ed1-f65.google.com ([209.85.208.65]:45112 "EHLO mail-ed1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725909AbgH0GQM (ORCPT ); Thu, 27 Aug 2020 02:16:12 -0400 Received: by mail-ed1-f65.google.com with SMTP id i17so2312744edx.12; Wed, 26 Aug 2020 23:16:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=n8UjIpjo5z/VFQQxNyIbAkQHiV3RIjM5ogrJc60069Q=; b=ByoBMjcuy0JFQYuWRDtazJQ9zuHDKxsPdCLxOpFKkDBN+HlEu2YN/C9gwMBbQN04f9 MelblW24hY/zQHQhdo9JHSJPLK/fLox39+LTQHN5eJvcZdqSGd6deWCILZNZGUClY6Wl o9yqvC82UWm9Dnab3RZ67qJvq403DHCNeDhvblLNHOiIbtqulOuH9Fg53jb4NShJfTUa gJclHYyK9koDX7q0p9Gr2MrITJiYfxOjjPaLp9w3L70KTzmITzROhyERVQKnEzSlQ2va UIEkV9xr5DOWJn/s9ATzLWlmWxM4ixuJ6KN9t8xYm6ummqOx2Si3ecUavjui+dOrduvL aLDA== X-Gm-Message-State: AOAM531f0Ucbkp8wnMjrsCd/cvMVi8YU95hgEduL4n9RDm5pBI/raXNm zQEfh+ekB4ChNtx9GuZZbU8= X-Google-Smtp-Source: ABdhPJzMuvKNJhfk3j9zPW5FdAcSTX8KIa1mUvwjYRaBZ5J6FGXeek24fGjG21uQMyldjHc10mj4hA== X-Received: by 2002:a50:fe0a:: with SMTP id f10mr17779083edt.264.1598508970208; Wed, 26 Aug 2020 23:16:10 -0700 (PDT) Received: from kozik-lap ([194.230.155.216]) by smtp.googlemail.com with ESMTPSA id bn14sm1059427ejb.115.2020.08.26.23.16.09 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 26 Aug 2020 23:16:09 -0700 (PDT) Date: Thu, 27 Aug 2020 08:16:07 +0200 From: Krzysztof Kozlowski To: Andy Shevchenko Cc: Linus Walleij , Bartosz Golaszewski , Dmitry Torokhov , "Gustavo A. R. Silva" , Hans de Goede , "linux-gpio@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-input@vger.kernel.org" Subject: Re: [PATCH v2 1/2] gpio: Add devm_fwnode_gpiod_get_optional() helpers Message-ID: <20200827061607.GA3355@kozik-lap> References: <20200826200827.30931-1-krzk@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org On Thu, Aug 27, 2020 at 12:04:13AM +0300, Andy Shevchenko wrote: > On Wednesday, August 26, 2020, Krzysztof Kozlowski wrote: > > > Add devm_fwnode_gpiod_get_optional() and > > devm_fwnode_gpiod_get_index_optional() helpers, similar to regular > > devm_gpiod optional versions. Drivers getting GPIOs from a firmware > > node might use it to remove some boilerplate code. > > > > > Shouldn't it return NULL for !GPIO case? Indeed, good point. Best regards, Krzysztof