From nobody Tue Dec 16 06:03:13 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B9694E80AB3 for ; Wed, 27 Sep 2023 14:29:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232147AbjI0O3q (ORCPT ); Wed, 27 Sep 2023 10:29:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232103AbjI0O3j (ORCPT ); Wed, 27 Sep 2023 10:29:39 -0400 Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98681193 for ; Wed, 27 Sep 2023 07:29:38 -0700 (PDT) Received: by mail-wm1-x32e.google.com with SMTP id 5b1f17b1804b1-405417465aaso103913715e9.1 for ; Wed, 27 Sep 2023 07:29:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20230601.gappssmtp.com; s=20230601; t=1695824977; x=1696429777; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=zrpKHVqqTjrma0ET7OV7WLFI0tFo3wgKkZ5ACtzRvkE=; b=nmzlb36S3PRwkaDm7sCBLiyf9gzPtuYW5+71NYnSTODLPEkvxqD6eFEDjzLV/BhDEC ZZ3HJgr/KtREJEjzG/QfVqlti7zgG5zq2NwUZX2tH2VT3DpYf4IbeepDRN8b+vHzCKLB x2XB/rWcW48Sg7zVcYZuZdcbPLOulbTGmjvLRr5Nnzg1MI+0lxf8mQHd1m6Pbb7eBrad javetCA1nJuUJuTfqd+OLM9wXAiKFJwMBUT45iq9uHWeaXR17ko5Y44xEmdIQ0ktRnlD a4jeje0kXF50jGUabgvIbPB06qJ7HQ1SjN6erZPzou/YeS1CqjfzTO2jEXGtIdQzgOWF MCWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695824977; x=1696429777; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=zrpKHVqqTjrma0ET7OV7WLFI0tFo3wgKkZ5ACtzRvkE=; b=amtyUfqbFtHk2dBS1Uoz6dEuq3JuVvvVDXg19Ycr0IgxjQ3VCGXSioinIHyBezf61U Lhs8g33T6mewlPXCDHEAFpQfjnVCdP0Rjcxi27x4lioDtWp7IhkrVy24SPkdemnS8xSj GSbe+sXTm7LNSnLcfZGRpM2zplgyx3MiXJlREB0qOtymDiIMS9U1BVS0r1b3MfMoPaQE 7Apv2JJcNLNXVudpvptZYEl1O2rEyQ+Z5g8XTY/CAeJkWJg2/7ojN7i3eDPHmiZ80xY7 5bTehbZTNcRcFeU9JyBmQ45/rXaHk0Ak7lX3CsqvOmg1z+uLUKt+kMZ2viI8Z+MwBoGq PH2g== X-Gm-Message-State: AOJu0Yw6VM/zNH55i6EcSUh2RMxf4j+7dmDNwwu9bchZMYkKBHSsvUBi tkd9Dq87+F3VtdieZiSYdl12ZCeFinUZInZrX1k= X-Google-Smtp-Source: AGHT+IF6eg+w62/RXPj0sQUskg5id/X4SSijgtC05ghaPIfi6qFHp0AB4DGHIGyu0H2TgbfYmlDZfQ== X-Received: by 2002:a05:600c:21d4:b0:405:34e4:e756 with SMTP id x20-20020a05600c21d400b0040534e4e756mr2081697wmj.36.1695824977012; Wed, 27 Sep 2023 07:29:37 -0700 (PDT) Received: from brgl-uxlite.home ([2a01:cb1d:334:ac00:4bb6:1525:9e22:4a15]) by smtp.gmail.com with ESMTPSA id v2-20020a1cf702000000b003feae747ff2sm20448303wmh.35.2023.09.27.07.29.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Sep 2023 07:29:36 -0700 (PDT) From: Bartosz Golaszewski To: Linus Walleij , Andy Shevchenko , Mika Westerberg Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, Bartosz Golaszewski Subject: [PATCH v4 02/11] gpiolib: add support for scope-based management to gpio_device Date: Wed, 27 Sep 2023 16:29:22 +0200 Message-Id: <20230927142931.19798-3-brgl@bgdev.pl> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230927142931.19798-1-brgl@bgdev.pl> References: <20230927142931.19798-1-brgl@bgdev.pl> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Bartosz Golaszewski As the few users that need to get the reference to the GPIO device often release it right after inspecting its properties, let's add support for the automatic reference release to struct gpio_device. Signed-off-by: Bartosz Golaszewski Reviewed-by: Linus Walleij Reviewed-by: Andy Shevchenko --- include/linux/gpio/driver.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index a2060dc3344b..1cedbc3d3200 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -3,6 +3,8 @@ #define __LINUX_GPIO_DRIVER_H =20 #include +#include +#include #include #include #include @@ -609,6 +611,9 @@ struct gpio_chip *gpiochip_find(void *data, struct gpio_device *gpio_device_get(struct gpio_device *gdev); void gpio_device_put(struct gpio_device *gdev); =20 +DEFINE_FREE(gpio_device_put, struct gpio_device *, + if (IS_ERR_OR_NULL(_T)) gpio_device_put(_T)); + bool gpiochip_line_is_irq(struct gpio_chip *gc, unsigned int offset); int gpiochip_reqres_irq(struct gpio_chip *gc, unsigned int offset); void gpiochip_relres_irq(struct gpio_chip *gc, unsigned int offset); --=20 2.39.2