From patchwork Fri Apr 1 10:35:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 555841 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 1B34EC43219 for ; Fri, 1 Apr 2022 10:36:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344909AbiDAKi1 (ORCPT ); Fri, 1 Apr 2022 06:38:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44304 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344972AbiDAKiK (ORCPT ); Fri, 1 Apr 2022 06:38:10 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A31A4266B6C; Fri, 1 Apr 2022 03:36:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648809380; x=1680345380; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=quiOeAqtTm+C8H3Wl/anEY+Gx1ydJ3w0/kutBLStKno=; b=Cx+zHo2tvuxU0ChVsBggZxwCDMHsLOdKTrl4ZAnqH1PLvAu380ehx0s4 /K2SlEJglop0ofDsSDBrdfkAzAebAntEz9ku6yaNqx2J3LHyjx7sOiQjW TJz0MUXCy87WFvblImJLaBgQr1PPKnP2TV3348BZ04pzEdrNrUNd1C9m9 3SLxAbVA0wkH/L/IC7bHo1Gm8oBxMmTxv/gHFqn5pXbxvfTjekm2NWUI6 FzlERmz/uGXxWgA43d8ZbZlVBDbEcsbQ1DpzWHu846skEequUxTaiPQC2 +Exx8pb0yjE3P7tPeu0UDyiO7gAYkqbRab+1d8juhfNHcdPDpus5oF4oY g==; X-IronPort-AV: E=McAfee;i="6200,9189,10303"; a="260281485" X-IronPort-AV: E=Sophos;i="5.90,227,1643702400"; d="scan'208";a="260281485" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2022 03:36:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,227,1643702400"; d="scan'208";a="640496022" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 01 Apr 2022 03:35:53 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id CED55323; 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 05/13] pinctrl: samsung: Switch to use for_each_gpiochip_node() helper Date: Fri, 1 Apr 2022 13:35:56 +0300 Message-Id: <20220401103604.8705-6-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-gpio@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 Tested-by: Krzysztof Kozlowski --- drivers/pinctrl/samsung/pinctrl-exynos.c | 8 +++--- drivers/pinctrl/samsung/pinctrl-s3c24xx.c | 2 +- drivers/pinctrl/samsung/pinctrl-s3c64xx.c | 4 +-- drivers/pinctrl/samsung/pinctrl-samsung.c | 30 +++++++++++------------ drivers/pinctrl/samsung/pinctrl-samsung.h | 2 +- 5 files changed, 22 insertions(+), 24 deletions(-) diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index c1c4ffbae6e2..6d7ca1758292 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -307,7 +307,7 @@ __init int exynos_eint_gpio_init(struct samsung_pinctrl_drv_data *d) } bank->irq_chip->chip.name = bank->name; - bank->irq_domain = irq_domain_add_linear(bank->of_node, + bank->irq_domain = irq_domain_create_linear(bank->fwnode, bank->nr_pins, &exynos_eint_irqd_ops, bank); if (!bank->irq_domain) { dev_err(dev, "gpio irq domain add failed\n"); @@ -565,7 +565,7 @@ __init int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d) } bank->irq_chip->chip.name = bank->name; - bank->irq_domain = irq_domain_add_linear(bank->of_node, + bank->irq_domain = irq_domain_create_linear(bank->fwnode, bank->nr_pins, &exynos_eint_irqd_ops, bank); if (!bank->irq_domain) { dev_err(dev, "wkup irq domain add failed\n"); @@ -573,7 +573,7 @@ __init int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d) return -ENXIO; } - if (!of_find_property(bank->of_node, "interrupts", NULL)) { + if (!fwnode_property_present(bank->fwnode, "interrupts")) { bank->eint_type = EINT_TYPE_WKUP_MUX; ++muxed_banks; continue; @@ -588,7 +588,7 @@ __init int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d) } for (idx = 0; idx < bank->nr_pins; ++idx) { - irq = irq_of_parse_and_map(bank->of_node, idx); + irq = irq_of_parse_and_map(to_of_node(bank->fwnode), idx); if (!irq) { dev_err(dev, "irq number for eint-%s-%d not found\n", bank->name, idx); diff --git a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c index ac1eba30cf40..625cb1065eaf 100644 --- a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c +++ b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c @@ -525,7 +525,7 @@ static int s3c24xx_eint_init(struct samsung_pinctrl_drv_data *d) ops = (bank->eint_offset == 0) ? &s3c24xx_gpf_irq_ops : &s3c24xx_gpg_irq_ops; - bank->irq_domain = irq_domain_add_linear(bank->of_node, + bank->irq_domain = irq_domain_create_linear(bank->fwnode, bank->nr_pins, ops, ddata); if (!bank->irq_domain) { dev_err(dev, "wkup irq domain add failed\n"); diff --git a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c index c5f95a1071ae..c5d92db4fdb1 100644 --- a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c +++ b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c @@ -471,7 +471,7 @@ static int s3c64xx_eint_gpio_init(struct samsung_pinctrl_drv_data *d) mask = bank->eint_mask; nr_eints = fls(mask); - bank->irq_domain = irq_domain_add_linear(bank->of_node, + bank->irq_domain = irq_domain_create_linear(bank->fwnode, nr_eints, &s3c64xx_gpio_irqd_ops, bank); if (!bank->irq_domain) { dev_err(dev, "gpio irq domain add failed\n"); @@ -743,7 +743,7 @@ static int s3c64xx_eint_eint0_init(struct samsung_pinctrl_drv_data *d) return -ENOMEM; ddata->bank = bank; - bank->irq_domain = irq_domain_add_linear(bank->of_node, + bank->irq_domain = irq_domain_create_linear(bank->fwnode, nr_eints, &s3c64xx_eint0_irqd_ops, ddata); if (!bank->irq_domain) { dev_err(dev, "wkup irq domain add failed\n"); diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index f610beab23a0..26d309d2516d 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;