From patchwork Fri Apr 1 10:35:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 555778 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 B36A6C35274 for ; Fri, 1 Apr 2022 10:35:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344286AbiDAKhn (ORCPT ); Fri, 1 Apr 2022 06:37:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41808 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344193AbiDAKhm (ORCPT ); Fri, 1 Apr 2022 06:37:42 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A1D9266B63; Fri, 1 Apr 2022 03:35:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648809353; x=1680345353; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Mokh5NeYfH0tCFWB5WUbjJ/CRT9R2RJiXuGQoGrRwY8=; b=Y5UP3UscXnqJ9cAOY2KFREYj4nwuQauPKFNPHVDotZ95ovCXBTwZLU27 QCgrAqTzfgwjSi3dahZPAkSCJiBIdUa4U8/Oy5zuKx8YrvKkRcrawZAWo p93AVjauYVAJ3Fn6imwdRzrO999kKjYoIPNtdTWt7u55jvCtk4AN8DcZq C2pDh0sPMu5A27G697rFFrB4Js0e8c2VJ2s/+RRdm/Gr3ENxAShgT68uk sfvdb95GbNQlqnW6DATSYIcDETB3eCbC8kN7yh0zvd3p7NFBOAzFerCJJ iTvQ7UeFGI4BD7fTARJ+ZcxxzTSoyixkXDuVVMRKbfTfG+aKgHNHhsxfz A==; X-IronPort-AV: E=McAfee;i="6200,9189,10303"; a="285029795" X-IronPort-AV: E=Sophos;i="5.90,227,1643702400"; d="scan'208";a="285029795" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2022 03:35:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,227,1643702400"; d="scan'208";a="522726475" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga006.jf.intel.com with ESMTP; 01 Apr 2022 03:35:44 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 9A77681; Fri, 1 Apr 2022 13:36:05 +0300 (EEST) From: Andy Shevchenko To: Qianggui Song , Andy Shevchenko , Geert Uytterhoeven , Krzysztof Kozlowski , Marc Zyngier , Fabien Dessenne , Linus Walleij , linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org, linux-renesas-soc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com Cc: Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Avi Fishman , Tomer Maimon , Tali Perry , Patrick Venture , Nancy Yuen , Benjamin Fair , Tomasz Figa , Sylwester Nawrocki , Alim Akhtar , Maxime Coquelin , Alexandre Torgue , Bartosz Golaszewski , Philipp Zabel Subject: [PATCH v4 01/13] gpiolib: Introduce for_each_gpiochip_node() loop helper Date: Fri, 1 Apr 2022 13:35:52 +0300 Message-Id: <20220401103604.8705-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220401103604.8705-1-andriy.shevchenko@linux.intel.com> References: <20220401103604.8705-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Introduce for_each_gpiochip_node() loop helper which iterates over the GPIO controller child nodes of a given device. Signed-off-by: Andy Shevchenko Reviewed-by: Geert Uytterhoeven Tested-by: Geert Uytterhoeven Acked-by: Bartosz Golaszewski --- include/linux/gpio/driver.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 98c93510640e..bfc91f122d5f 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -3,13 +3,14 @@ #define __LINUX_GPIO_DRIVER_H #include -#include #include #include #include #include #include #include +#include +#include struct gpio_desc; struct of_phandle_args; @@ -750,4 +751,8 @@ static inline void gpiochip_unlock_as_irq(struct gpio_chip *gc, } #endif /* CONFIG_GPIOLIB */ +#define for_each_gpiochip_node(dev, child) \ + device_for_each_child_node(dev, child) \ + if (!fwnode_property_present(child, "gpio-controller")) {} else + #endif /* __LINUX_GPIO_DRIVER_H */