From patchwork Tue Mar 29 15:29:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12795003 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 82316C4332F for ; Tue, 29 Mar 2022 15:29:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238693AbiC2Pb1 (ORCPT ); Tue, 29 Mar 2022 11:31:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60342 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238691AbiC2PbV (ORCPT ); Tue, 29 Mar 2022 11:31:21 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2D2B10E048; Tue, 29 Mar 2022 08:29:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648567771; x=1680103771; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=W+IP0ugtBZoN9WwC/3gHuhgkJJpzkCJxYwfn4NdIErE=; b=V4C8etoVbHmNYoKD9183ENSYqppbENZ34lm6yGO5VDL/yS/0gOjOq3Rv GBRzcU/cSVSMfb/nu/ZJQCPejNrJ7z25ThTz78f1sCHxCAGWJ21sLUwQp nA67melxP/mgpnY8QMAPS+m0VA4fVh1dZ3NR6NwvXBGy0mQicRpmsrkjk Sk1CSo2jH0B+9EtGkNbhyjiIXwHC+hGJ2lctxq2+gocod0Qh34c6IV2ij Tg5YGlWlinYvsV2+IxqelCZsADsnb8dzDy7WaohoBQHqWmzM2Faj8ceT5 vCuQEimFwvFMN/LXe7d+f3XGvJtogSGtQ3iq/l5mSR+/q7HZfUc5TkCyb w==; X-IronPort-AV: E=McAfee;i="6200,9189,10301"; a="322460287" X-IronPort-AV: E=Sophos;i="5.90,220,1643702400"; d="scan'208";a="322460287" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2022 08:29:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,220,1643702400"; d="scan'208";a="554297181" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga007.fm.intel.com with ESMTP; 29 Mar 2022 08:29:16 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 427B5239; Tue, 29 Mar 2022 18:29:29 +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 05/13] pinctrl: samsung: Switch to use for_each_gpiochip_node() helper Date: Tue, 29 Mar 2022 18:29:18 +0300 Message-Id: <20220329152926.50958-6-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 Switch the code to use for_each_gpiochip_node() helper. While at it, in order to avoid additional churn in the future, switch to fwnode APIs where it makes sense. Signed-off-by: Andy Shevchenko --- drivers/pinctrl/samsung/pinctrl-samsung.c | 30 +++++++++++------------ drivers/pinctrl/samsung/pinctrl-samsung.h | 2 +- 2 files changed, 15 insertions(+), 17 deletions(-) diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index 8eb423193680..8eb0aa1de595 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -966,7 +967,7 @@ static int samsung_gpiolib_register(struct platform_device *pdev, gc->base = bank->grange.base; gc->ngpio = bank->nr_pins; gc->parent = &pdev->dev; - gc->of_node = bank->of_node; + gc->fwnode = bank->fwnode; gc->label = bank->name; ret = devm_gpiochip_add_data(&pdev->dev, gc, bank); @@ -1002,27 +1003,25 @@ samsung_pinctrl_get_soc_data_for_of_alias(struct platform_device *pdev) return &(of_data->ctrl[id]); } -static void samsung_banks_of_node_put(struct samsung_pinctrl_drv_data *d) +static void samsung_banks_node_put(struct samsung_pinctrl_drv_data *d) { struct samsung_pin_bank *bank; unsigned int i; bank = d->pin_banks; for (i = 0; i < d->nr_banks; ++i, ++bank) - of_node_put(bank->of_node); + fwnode_handle_put(bank->fwnode); } /* * Iterate over all driver pin banks to find one matching the name of node, * skipping optional "-gpio" node suffix. When found, assign node to the bank. */ -static void samsung_banks_of_node_get(struct device *dev, - struct samsung_pinctrl_drv_data *d, - struct device_node *node) +static void samsung_banks_node_get(struct device *dev, struct samsung_pinctrl_drv_data *d) { const char *suffix = "-gpio-bank"; struct samsung_pin_bank *bank; - struct device_node *child; + struct fwnode_handle *child; /* Pin bank names are up to 4 characters */ char node_name[20]; unsigned int i; @@ -1038,17 +1037,17 @@ static void samsung_banks_of_node_get(struct device *dev, continue; } - for_each_child_of_node(node, child) { - if (!of_find_property(child, "gpio-controller", NULL)) - continue; - if (of_node_name_eq(child, node_name)) + for_each_gpiochip_node(dev, child) { + struct device_node *np = to_of_node(child); + + if (of_node_name_eq(np, node_name)) break; - else if (of_node_name_eq(child, bank->name)) + if (of_node_name_eq(np, bank->name)) break; } if (child) - bank->of_node = child; + bank->fwnode = child; else dev_warn(dev, "Missing node for bank %s - invalid DTB\n", bank->name); @@ -1061,7 +1060,6 @@ static const struct samsung_pin_ctrl * samsung_pinctrl_get_soc_data(struct samsung_pinctrl_drv_data *d, struct platform_device *pdev) { - struct device_node *node = pdev->dev.of_node; const struct samsung_pin_bank_data *bdata; const struct samsung_pin_ctrl *ctrl; struct samsung_pin_bank *bank; @@ -1125,7 +1123,7 @@ samsung_pinctrl_get_soc_data(struct samsung_pinctrl_drv_data *d, */ d->virt_base = virt_base[0]; - samsung_banks_of_node_get(&pdev->dev, d, node); + samsung_banks_node_get(&pdev->dev, d); d->pin_base = pin_base; pin_base += d->nr_pins; @@ -1186,7 +1184,7 @@ static int samsung_pinctrl_probe(struct platform_device *pdev) err_unregister: samsung_pinctrl_unregister(pdev, drvdata); err_put_banks: - samsung_banks_of_node_put(drvdata); + samsung_banks_node_put(drvdata); return ret; } diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.h b/drivers/pinctrl/samsung/pinctrl-samsung.h index 5b32d3f30fcd..fc6f5199c548 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.h +++ b/drivers/pinctrl/samsung/pinctrl-samsung.h @@ -165,7 +165,7 @@ struct samsung_pin_bank { u32 pin_base; void *soc_priv; - struct device_node *of_node; + struct fwnode_handle *fwnode; struct samsung_pinctrl_drv_data *drvdata; struct irq_domain *irq_domain; struct gpio_chip gpio_chip;