From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4AE202367A0; Tue, 17 Jun 2025 16:31:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750177891; cv=none; b=TYnwNzXDyn6Tg7JvjnqY5ShM9RJErOu+mNZlxUuOjrsQjedfCL70Z9NNht6DGqykxwgpCqAlQ9sW8DqN/SjU3IlJ5nJoRMrHiX24ZH5SwRUrIN4+z5D0S1f4XLlpT3lWUA8UZMcxNAM/ew+8nDtCDNUC33UFRxLYgPH3uIyVwG8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750177891; c=relaxed/simple; bh=bAcoTVt5VHZkCOR3pAP/T7KPd2+wtn/LIri2U0RzVYg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XfKk7rLB743FDAWo515+sZyLZEMtXh+ojeOteYd3aJfPrrxM997B6IvGEX2+1aHck/pMvuT9td7Wiespt9bIVIXhncq41284KqDTWYu/4Hj+YED6j7/GSdLfUpMyWrWWueSgSbigrbgNNyKs8ZW0f+1Ts5JP7rx7phoSMEzU+nw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=g02SMDsa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="g02SMDsa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5C881C4CEE3; Tue, 17 Jun 2025 16:31:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750177890; bh=bAcoTVt5VHZkCOR3pAP/T7KPd2+wtn/LIri2U0RzVYg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=g02SMDsawT7ZFlVd1gj2z8CBGLQHp8NwmjahvryezRMUZrBW75TDkMngX2d5Felg4 5RAO4YOCxFJR5ED93U3kOMThs0bmujMRwB72KGoi7nMiMQNd6Y8FJZg74vkHVlFM5x 4QWztvm/MSyJFSTHtjPjc6mRMcRNGa3sjCaAdLdI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Peter Griffin , Krzysztof Kozlowski , Sasha Levin Subject: [PATCH 6.12 411/512] pinctrl: samsung: refactor drvdata suspend & resume callbacks Date: Tue, 17 Jun 2025 17:26:17 +0200 Message-ID: <20250617152436.229447380@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250617152419.512865572@linuxfoundation.org> References: <20250617152419.512865572@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Peter Griffin [ Upstream commit 3ade961e97f3b05dcdd9a4fabfe179c9e75571e0 ] This enables the clk_enable() and clk_disable() logic to be removed from each callback, but otherwise should have no functional impact. It is a prepatory patch so that the callbacks can become SoC specific. Signed-off-by: Peter Griffin Link: https://lore.kernel.org/r/20250402-pinctrl-fltcon-suspend-v6-1-78ce0d4eb30c@linaro.org Signed-off-by: Krzysztof Kozlowski Stable-dep-of: bdbe0a0f7100 ("pinctrl: samsung: add gs101 specific eint suspend/resume callbacks") Signed-off-by: Sasha Levin --- drivers/pinctrl/samsung/pinctrl-exynos.c | 89 ++++++----------------- drivers/pinctrl/samsung/pinctrl-exynos.h | 4 +- drivers/pinctrl/samsung/pinctrl-samsung.c | 21 ++++-- drivers/pinctrl/samsung/pinctrl-samsung.h | 8 +- 4 files changed, 42 insertions(+), 80 deletions(-) diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index ac6dc22b37c98..62c8d8d907545 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -761,19 +761,11 @@ __init int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d) return 0; } -static void exynos_pinctrl_suspend_bank( - struct samsung_pinctrl_drv_data *drvdata, - struct samsung_pin_bank *bank) +static void exynos_pinctrl_suspend_bank(struct samsung_pin_bank *bank) { struct exynos_eint_gpio_save *save = bank->soc_priv; const void __iomem *regs = bank->eint_base; - if (clk_enable(bank->drvdata->pclk)) { - dev_err(bank->gpio_chip.parent, - "unable to enable clock for saving state\n"); - return; - } - save->eint_con = readl(regs + EXYNOS_GPIO_ECON_OFFSET + bank->eint_offset); save->eint_fltcon0 = readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET @@ -783,71 +775,46 @@ static void exynos_pinctrl_suspend_bank( save->eint_mask = readl(regs + bank->irq_chip->eint_mask + bank->eint_offset); - clk_disable(bank->drvdata->pclk); - pr_debug("%s: save con %#010x\n", bank->name, save->eint_con); pr_debug("%s: save fltcon0 %#010x\n", bank->name, save->eint_fltcon0); pr_debug("%s: save fltcon1 %#010x\n", bank->name, save->eint_fltcon1); pr_debug("%s: save mask %#010x\n", bank->name, save->eint_mask); } -static void exynosauto_pinctrl_suspend_bank(struct samsung_pinctrl_drv_data *drvdata, - struct samsung_pin_bank *bank) +static void exynosauto_pinctrl_suspend_bank(struct samsung_pin_bank *bank) { struct exynos_eint_gpio_save *save = bank->soc_priv; const void __iomem *regs = bank->eint_base; - if (clk_enable(bank->drvdata->pclk)) { - dev_err(bank->gpio_chip.parent, - "unable to enable clock for saving state\n"); - return; - } - save->eint_con = readl(regs + bank->pctl_offset + bank->eint_con_offset); save->eint_mask = readl(regs + bank->pctl_offset + bank->eint_mask_offset); - clk_disable(bank->drvdata->pclk); - pr_debug("%s: save con %#010x\n", bank->name, save->eint_con); pr_debug("%s: save mask %#010x\n", bank->name, save->eint_mask); } -void exynos_pinctrl_suspend(struct samsung_pinctrl_drv_data *drvdata) +void exynos_pinctrl_suspend(struct samsung_pin_bank *bank) { - struct samsung_pin_bank *bank = drvdata->pin_banks; struct exynos_irq_chip *irq_chip = NULL; - int i; - for (i = 0; i < drvdata->nr_banks; ++i, ++bank) { - if (bank->eint_type == EINT_TYPE_GPIO) { - if (bank->eint_con_offset) - exynosauto_pinctrl_suspend_bank(drvdata, bank); - else - exynos_pinctrl_suspend_bank(drvdata, bank); - } - else if (bank->eint_type == EINT_TYPE_WKUP) { - if (!irq_chip) { - irq_chip = bank->irq_chip; - irq_chip->set_eint_wakeup_mask(drvdata, - irq_chip); - } + if (bank->eint_type == EINT_TYPE_GPIO) { + if (bank->eint_con_offset) + exynosauto_pinctrl_suspend_bank(bank); + else + exynos_pinctrl_suspend_bank(bank); + } else if (bank->eint_type == EINT_TYPE_WKUP) { + if (!irq_chip) { + irq_chip = bank->irq_chip; + irq_chip->set_eint_wakeup_mask(bank->drvdata, irq_chip); } } } -static void exynos_pinctrl_resume_bank( - struct samsung_pinctrl_drv_data *drvdata, - struct samsung_pin_bank *bank) +static void exynos_pinctrl_resume_bank(struct samsung_pin_bank *bank) { struct exynos_eint_gpio_save *save = bank->soc_priv; void __iomem *regs = bank->eint_base; - if (clk_enable(bank->drvdata->pclk)) { - dev_err(bank->gpio_chip.parent, - "unable to enable clock for restoring state\n"); - return; - } - pr_debug("%s: con %#010x => %#010x\n", bank->name, readl(regs + EXYNOS_GPIO_ECON_OFFSET + bank->eint_offset), save->eint_con); @@ -869,22 +836,13 @@ static void exynos_pinctrl_resume_bank( + 2 * bank->eint_offset + 4); writel(save->eint_mask, regs + bank->irq_chip->eint_mask + bank->eint_offset); - - clk_disable(bank->drvdata->pclk); } -static void exynosauto_pinctrl_resume_bank(struct samsung_pinctrl_drv_data *drvdata, - struct samsung_pin_bank *bank) +static void exynosauto_pinctrl_resume_bank(struct samsung_pin_bank *bank) { struct exynos_eint_gpio_save *save = bank->soc_priv; void __iomem *regs = bank->eint_base; - if (clk_enable(bank->drvdata->pclk)) { - dev_err(bank->gpio_chip.parent, - "unable to enable clock for restoring state\n"); - return; - } - pr_debug("%s: con %#010x => %#010x\n", bank->name, readl(regs + bank->pctl_offset + bank->eint_con_offset), save->eint_con); pr_debug("%s: mask %#010x => %#010x\n", bank->name, @@ -893,21 +851,16 @@ static void exynosauto_pinctrl_resume_bank(struct samsung_pinctrl_drv_data *drvd writel(save->eint_con, regs + bank->pctl_offset + bank->eint_con_offset); writel(save->eint_mask, regs + bank->pctl_offset + bank->eint_mask_offset); - clk_disable(bank->drvdata->pclk); } -void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata) +void exynos_pinctrl_resume(struct samsung_pin_bank *bank) { - struct samsung_pin_bank *bank = drvdata->pin_banks; - int i; - - for (i = 0; i < drvdata->nr_banks; ++i, ++bank) - if (bank->eint_type == EINT_TYPE_GPIO) { - if (bank->eint_con_offset) - exynosauto_pinctrl_resume_bank(drvdata, bank); - else - exynos_pinctrl_resume_bank(drvdata, bank); - } + if (bank->eint_type == EINT_TYPE_GPIO) { + if (bank->eint_con_offset) + exynosauto_pinctrl_resume_bank(bank); + else + exynos_pinctrl_resume_bank(bank); + } } static void exynos_retention_enable(struct samsung_pinctrl_drv_data *drvdata) diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.h b/drivers/pinctrl/samsung/pinctrl-exynos.h index 97a43fa4dfc56..ce39ab52102e7 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.h +++ b/drivers/pinctrl/samsung/pinctrl-exynos.h @@ -211,8 +211,8 @@ struct exynos_muxed_weint_data { int exynos_eint_gpio_init(struct samsung_pinctrl_drv_data *d); int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d); -void exynos_pinctrl_suspend(struct samsung_pinctrl_drv_data *drvdata); -void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata); +void exynos_pinctrl_suspend(struct samsung_pin_bank *bank); +void exynos_pinctrl_resume(struct samsung_pin_bank *bank); struct samsung_retention_ctrl * exynos_retention_init(struct samsung_pinctrl_drv_data *drvdata, const struct samsung_retention_data *data); diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index 63ac89a802d30..210534586c0c0 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -1333,6 +1333,7 @@ static int samsung_pinctrl_probe(struct platform_device *pdev) static int __maybe_unused samsung_pinctrl_suspend(struct device *dev) { struct samsung_pinctrl_drv_data *drvdata = dev_get_drvdata(dev); + struct samsung_pin_bank *bank; int i; i = clk_enable(drvdata->pclk); @@ -1343,7 +1344,7 @@ static int __maybe_unused samsung_pinctrl_suspend(struct device *dev) } for (i = 0; i < drvdata->nr_banks; i++) { - struct samsung_pin_bank *bank = &drvdata->pin_banks[i]; + bank = &drvdata->pin_banks[i]; const void __iomem *reg = bank->pctl_base + bank->pctl_offset; const u8 *offs = bank->type->reg_offset; const u8 *widths = bank->type->fld_width; @@ -1371,10 +1372,14 @@ static int __maybe_unused samsung_pinctrl_suspend(struct device *dev) } } + for (i = 0; i < drvdata->nr_banks; i++) { + bank = &drvdata->pin_banks[i]; + if (drvdata->suspend) + drvdata->suspend(bank); + } + clk_disable(drvdata->pclk); - if (drvdata->suspend) - drvdata->suspend(drvdata); if (drvdata->retention_ctrl && drvdata->retention_ctrl->enable) drvdata->retention_ctrl->enable(drvdata); @@ -1392,6 +1397,7 @@ static int __maybe_unused samsung_pinctrl_suspend(struct device *dev) static int __maybe_unused samsung_pinctrl_resume(struct device *dev) { struct samsung_pinctrl_drv_data *drvdata = dev_get_drvdata(dev); + struct samsung_pin_bank *bank; int ret; int i; @@ -1406,11 +1412,14 @@ static int __maybe_unused samsung_pinctrl_resume(struct device *dev) return ret; } - if (drvdata->resume) - drvdata->resume(drvdata); + for (i = 0; i < drvdata->nr_banks; i++) { + bank = &drvdata->pin_banks[i]; + if (drvdata->resume) + drvdata->resume(bank); + } for (i = 0; i < drvdata->nr_banks; i++) { - struct samsung_pin_bank *bank = &drvdata->pin_banks[i]; + bank = &drvdata->pin_banks[i]; void __iomem *reg = bank->pctl_base + bank->pctl_offset; const u8 *offs = bank->type->reg_offset; const u8 *widths = bank->type->fld_width; diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.h b/drivers/pinctrl/samsung/pinctrl-samsung.h index 14c3b6b965851..7ffd2e193e425 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.h +++ b/drivers/pinctrl/samsung/pinctrl-samsung.h @@ -285,8 +285,8 @@ struct samsung_pin_ctrl { int (*eint_gpio_init)(struct samsung_pinctrl_drv_data *); int (*eint_wkup_init)(struct samsung_pinctrl_drv_data *); void (*pud_value_init)(struct samsung_pinctrl_drv_data *drvdata); - void (*suspend)(struct samsung_pinctrl_drv_data *); - void (*resume)(struct samsung_pinctrl_drv_data *); + void (*suspend)(struct samsung_pin_bank *bank); + void (*resume)(struct samsung_pin_bank *bank); }; /** @@ -335,8 +335,8 @@ struct samsung_pinctrl_drv_data { struct samsung_retention_ctrl *retention_ctrl; - void (*suspend)(struct samsung_pinctrl_drv_data *); - void (*resume)(struct samsung_pinctrl_drv_data *); + void (*suspend)(struct samsung_pin_bank *bank); + void (*resume)(struct samsung_pin_bank *bank); }; /** -- 2.39.5