From patchwork Tue Mar 7 13:04:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 1753201 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=qEmoyYvt; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4PWG001GGDz1yWx for ; Wed, 8 Mar 2023 00:05:36 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229932AbjCGNFd (ORCPT ); Tue, 7 Mar 2023 08:05:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39726 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229935AbjCGNFR (ORCPT ); Tue, 7 Mar 2023 08:05:17 -0500 Received: from mail-lf1-x12b.google.com (mail-lf1-x12b.google.com [IPv6:2a00:1450:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41F2716307 for ; Tue, 7 Mar 2023 05:04:55 -0800 (PST) Received: by mail-lf1-x12b.google.com with SMTP id m6so16969867lfq.5 for ; Tue, 07 Mar 2023 05:04:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678194295; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=mrWM+EAKAzwQ5ezMEftNhFMLDl9SqlbwY2w38EwevvI=; b=qEmoyYvtgIkJSqf2Pqh6Ym564INZh0BwzurBMQLlWZmSk8nzc8RGKvmI0hegLFxPKY vcwgmnrbX8J6CXWiJNG56ybOQpRIzjmrfLiPW9MzQfCDwgA6bUUnD0Ocpa20ATwBgP9m A/kNsIOkf6r9XFr9kj2EMb5Nrhno/+FcFquWbL69edEYKrrRQYWXF4RRp8TxDzmfLggt lpDEFkFu37kGvJ2OLITkQJg2lYcKqCzkmVy4n4eox8eBHZVvg5k4QHyCMIs5Z0ynE3zm FuV41w/UN0D41os3dqTUZxxRP69iho+WD29viJZOccqZ2Lm217SWEXDOnsKwcFDfPpQ6 KjEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678194295; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=mrWM+EAKAzwQ5ezMEftNhFMLDl9SqlbwY2w38EwevvI=; b=FhYKxveVjxwmlYaIjUylg56rgLgRtrchno+9+TUEGzE97/PoIve76pPOneIQVfmt8P tpwS09pVbCggIU4nbtSsECs/CRNdWU7b6zt1YxONUJx8hQeQFPqKjXmiLV5XFw2FG36k McqvXX7kE1uQbcVnlAWGMWC6PcTSDqTgwM1FTIGquONc+RB33mTwY3S+HinX5Wemcx1E 0lsx6f0Rfa0Z/zKkCcdgbe07L6PmIlYUwq6tdjBrgNLwalOTL/KlK/o87qaFpZcgnky5 KZpfm/UnQsaC05hmY7xKtJjdE+9r+4prsEiQh51/NYv0F0Cp+BE3mRHQsn7UKQA5OzA3 WpMw== X-Gm-Message-State: AO0yUKXAWDtkHXP8SSgjEUnlskKKI8Iy255bRG/aY+PUKKo8ffrYtU7S y8bQmxWqf7Csbt+9SNT1a71Yvg== X-Google-Smtp-Source: AK7set9dOUNpwLPmkw26TebbIX2+K42H2bMUD/10wUIZq3p/In1OaKdeUJQyM4bBdLB4uJKuq/Qr6g== X-Received: by 2002:a19:5206:0:b0:4e7:4a3c:695 with SMTP id m6-20020a195206000000b004e74a3c0695mr3596668lfb.65.1678194294792; Tue, 07 Mar 2023 05:04:54 -0800 (PST) Received: from [127.0.1.1] ([85.235.12.219]) by smtp.gmail.com with ESMTPSA id w14-20020ac2598e000000b004caf992bba9sm2030548lfn.268.2023.03.07.05.04.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Mar 2023 05:04:54 -0800 (PST) From: Linus Walleij Date: Tue, 07 Mar 2023 14:04:51 +0100 Subject: [PATCH v2 09/16] gpio: idt3243x: Convert to immutable irq_chip MIME-Version: 1.0 Message-Id: <20230215-immutable-chips-v2-9-d6b0e3f2d991@linaro.org> References: <20230215-immutable-chips-v2-0-d6b0e3f2d991@linaro.org> In-Reply-To: <20230215-immutable-chips-v2-0-d6b0e3f2d991@linaro.org> To: Mun Yew Tham , Bartosz Golaszewski , Joel Stanley , Andrew Jeffery , Alban Bedel , Orson Zhai , Baolin Wang , Chunyan Zhang , Jay Fang , Daniel Palmer , Romain Perier , Santosh Shilimkar , Kevin Hilman , William Breathitt Gray Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-omap@vger.kernel.org, Linus Walleij , Marc Zyngier , Thomas Bogendoerfer X-Mailer: b4 0.12.1 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Convert the driver to immutable irq-chip with a bit of intuition. Cc: Marc Zyngier Tested-by: Thomas Bogendoerfer Acked-by: Marc Zyngier Signed-off-by: Linus Walleij --- drivers/gpio/gpio-idt3243x.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpio-idt3243x.c b/drivers/gpio/gpio-idt3243x.c index 1cafdf46f875..00f547d26254 100644 --- a/drivers/gpio/gpio-idt3243x.c +++ b/drivers/gpio/gpio-idt3243x.c @@ -92,6 +92,8 @@ static void idt_gpio_mask(struct irq_data *d) writel(ctrl->mask_cache, ctrl->pic + IDT_PIC_IRQ_MASK); raw_spin_unlock_irqrestore(&gc->bgpio_lock, flags); + + gpiochip_disable_irq(gc, irqd_to_hwirq(d)); } static void idt_gpio_unmask(struct irq_data *d) @@ -100,6 +102,7 @@ static void idt_gpio_unmask(struct irq_data *d) struct idt_gpio_ctrl *ctrl = gpiochip_get_data(gc); unsigned long flags; + gpiochip_enable_irq(gc, irqd_to_hwirq(d)); raw_spin_lock_irqsave(&gc->bgpio_lock, flags); ctrl->mask_cache &= ~BIT(d->hwirq); @@ -119,12 +122,14 @@ static int idt_gpio_irq_init_hw(struct gpio_chip *gc) return 0; } -static struct irq_chip idt_gpio_irqchip = { +static const struct irq_chip idt_gpio_irqchip = { .name = "IDTGPIO", .irq_mask = idt_gpio_mask, .irq_ack = idt_gpio_ack, .irq_unmask = idt_gpio_unmask, - .irq_set_type = idt_gpio_irq_set_type + .irq_set_type = idt_gpio_irq_set_type, + .flags = IRQCHIP_IMMUTABLE, + GPIOCHIP_IRQ_RESOURCE_HELPERS, }; static int idt_gpio_probe(struct platform_device *pdev) @@ -168,7 +173,7 @@ static int idt_gpio_probe(struct platform_device *pdev) return parent_irq; girq = &ctrl->gc.irq; - girq->chip = &idt_gpio_irqchip; + gpio_irq_chip_set_chip(girq, &idt_gpio_irqchip); girq->init_hw = idt_gpio_irq_init_hw; girq->parent_handler = idt_gpio_dispatch; girq->num_parents = 1;