From patchwork Tue Mar 29 15:29:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 555074 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 F0CCCC433FE for ; Tue, 29 Mar 2022 15:29:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238621AbiC2PbD (ORCPT ); Tue, 29 Mar 2022 11:31:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59280 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238587AbiC2PbA (ORCPT ); Tue, 29 Mar 2022 11:31:00 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0357F954B; Tue, 29 Mar 2022 08:29:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648567757; x=1680103757; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=of6aC29MFt/gFsErfEks/90Bjvx9npiRIawi0g8JJ7E=; b=hyRYld4NDmOkFRP7s51f6/pe1DGgIY9oxXnkT37EqYQdjC7V7/32imhc Dsi2h+7aBtpQ0WvSYS7omUV6YhaaiyRDJlXx05rsZo7xN0nFCKlNS6Xt8 s/pgwTvyTQJZf3wORn51zxE/XcGn9kUl6DxRpVWVP9akgW9Ctji1kYPP0 Ql3Eot+H28SOWHWuUBpNXKyb2v73KUfGkVrji0X/cN2l49RMMudhvoGME cTGcby+x6FlKtSKhgu4uc6fENZ6KuDvNYaBVXnkjJ0BEs0W6W+HGHjfGD QZqRamircyNrGBL+lgx6oJw5qtmMVX4JpLwIW1C5mh04+OgAKbWhgIWKG Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10301"; a="239207789" X-IronPort-AV: E=Sophos;i="5.90,220,1643702400"; d="scan'208";a="239207789" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2022 08:29:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,220,1643702400"; d="scan'208";a="564710306" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga008.jf.intel.com with ESMTP; 29 Mar 2022 08:29:07 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 02BDB11E; Tue, 29 Mar 2022 18:29:28 +0300 (EEST) From: Andy Shevchenko To: Qianggui Song , Andy Shevchenko , Krzysztof Kozlowski , Fabien Dessenne , 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: Linus Walleij , 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 , Geert Uytterhoeven , Tomasz Figa , Sylwester Nawrocki , Alim Akhtar , Maxime Coquelin , Alexandre Torgue , Bartosz Golaszewski , Philipp Zabel Subject: [PATCH v2 01/13] gpiolib: Introduce for_each_gpiochip_node() loop helper Date: Tue, 29 Mar 2022 18:29:14 +0300 Message-Id: <20220329152926.50958-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220329152926.50958-1-andriy.shevchenko@linux.intel.com> References: <20220329152926.50958-1-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 --- 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 be2fc9b15cf3..e6b9c17614ef 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 seq_file; @@ -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 */