From patchwork Tue Mar 7 13:04:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 660205 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 32621C678D4 for ; Tue, 7 Mar 2023 13:06:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230264AbjCGNGe (ORCPT ); Tue, 7 Mar 2023 08:06:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230269AbjCGNFn (ORCPT ); Tue, 7 Mar 2023 08:05:43 -0500 Received: from mail-lj1-x22d.google.com (mail-lj1-x22d.google.com [IPv6:2a00:1450:4864:20::22d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E78569ECA for ; Tue, 7 Mar 2023 05:05:15 -0800 (PST) Received: by mail-lj1-x22d.google.com with SMTP id h3so13027312lja.12 for ; Tue, 07 Mar 2023 05:05:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678194301; 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=EBLzNrziBJousn1yobeY2nHyRl+4RLWPBMZMMzuQhho=; b=WoDr9naT88KPAmWtmecnyXyKXIJdxVKHY3fSLJFVbGwG76jmxOMnW1et6daEkqtG8a ihRSCVa77byEIL8HXfej//ovzCXo2+wz4tewtmwIYanbdWMiw1u7VZSjs3FvkhLGWAAz 8bU+ToyGYK5TQqxPFixsNJk3BwPb+xCmOtBb1wfh0vJiixcJpC+jZ6wCUl1pBey1Sfnj 5O+2O/5WrBnQhSh/+P8FR0PuM04bQvZab0oLWH67mE9DsyTdVwceUHDEC87OzrOq7RJH NAeSyLCPgKw2C9ADzYlHWxkINSMPIl1OEVULA0x0k+31OVxFKBls9sFnQoFEVdHaeguW 1tkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678194301; 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=EBLzNrziBJousn1yobeY2nHyRl+4RLWPBMZMMzuQhho=; b=cLLpa3cQTc0fjjPEiibfeDGg6oPaI4W/o6GCtac5+QjqX6UICD+lDUl8EaCMixN+r1 BrB3/ZTleaKPdfGRLow81Gz99kqey6L+Azg/r5mQ68Yh+UnXt9GJor+ZEKGv9UJjuxSl O3qQeSym04oFY+D1OwQSE2e7Xqi749gdGMOQbi4ois/Ew8FJynFgZQF6CDbHWz2NPd0J IhbZzt73J3lFWB65XiYhLAqgKpnz82PDKK8iyRNdPNBPRixULIhKf7z1gIkq9BjO1gsZ +9Qm42XabUiNijOP2SV0a9sBwsdON0FBhs6UjXp+OHRm0XT1B5C20jgYUrQHa5q0kfaj a7Ag== X-Gm-Message-State: AO0yUKUwXVQXlonKUqq9rW7GaTlyG60wf3DvzwJkCaTWzjoM8O1PjIjH JoM4jGi/xeIfA9CmRvSnO1gxDA== X-Google-Smtp-Source: AK7set9FIRk+D02EpqNXIipxeF+W2c44Rc49IDIGvQg7pSf1+vwkxVbmpAXxb9VPe8SErITD4clMrg== X-Received: by 2002:a2e:a99b:0:b0:28b:6525:e6b1 with SMTP id x27-20020a2ea99b000000b0028b6525e6b1mr4810829ljq.24.1678194301238; Tue, 07 Mar 2023 05:05:01 -0800 (PST) Received: from [127.0.1.1] ([85.235.12.219]) by smtp.gmail.com with ESMTPSA id w14-20020ac2598e000000b004caf992bba9sm2030548lfn.268.2023.03.07.05.05.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Mar 2023 05:05:00 -0800 (PST) From: Linus Walleij Date: Tue, 07 Mar 2023 14:04:57 +0100 Subject: [PATCH v2 15/16] gpio: pci-idio-16: Convert to immutable irq_chip MIME-Version: 1.0 Message-Id: <20230215-immutable-chips-v2-15-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 X-Mailer: b4 0.12.1 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 Acked-by: William Breathitt Gray Acked-by: Marc Zyngier Signed-off-by: Linus Walleij --- drivers/gpio/gpio-pci-idio-16.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpio-pci-idio-16.c b/drivers/gpio/gpio-pci-idio-16.c index a86ce748384b..6726c32e31e6 100644 --- a/drivers/gpio/gpio-pci-idio-16.c +++ b/drivers/gpio/gpio-pci-idio-16.c @@ -107,6 +107,8 @@ static void idio_16_irq_mask(struct irq_data *data) raw_spin_unlock_irqrestore(&idio16gpio->lock, flags); } + + gpiochip_disable_irq(chip, irqd_to_hwirq(data)); } static void idio_16_irq_unmask(struct irq_data *data) @@ -117,6 +119,8 @@ static void idio_16_irq_unmask(struct irq_data *data) const unsigned long prev_irq_mask = idio16gpio->irq_mask; unsigned long flags; + gpiochip_enable_irq(chip, irqd_to_hwirq(data)); + idio16gpio->irq_mask |= mask; if (!prev_irq_mask) { @@ -138,12 +142,14 @@ static int idio_16_irq_set_type(struct irq_data *data, unsigned int flow_type) return 0; } -static struct irq_chip idio_16_irqchip = { +static const struct irq_chip idio_16_irqchip = { .name = "pci-idio-16", .irq_ack = idio_16_irq_ack, .irq_mask = idio_16_irq_mask, .irq_unmask = idio_16_irq_unmask, - .irq_set_type = idio_16_irq_set_type + .irq_set_type = idio_16_irq_set_type, + .flags = IRQCHIP_IMMUTABLE, + GPIOCHIP_IRQ_RESOURCE_HELPERS, }; static irqreturn_t idio_16_irq_handler(int irq, void *dev_id) @@ -242,7 +248,7 @@ static int idio_16_probe(struct pci_dev *pdev, const struct pci_device_id *id) idio_16_state_init(&idio16gpio->state); girq = &idio16gpio->chip.irq; - girq->chip = &idio_16_irqchip; + gpio_irq_chip_set_chip(girq, &idio_16_irqchip); /* This will let us handle the parent IRQ in the driver */ girq->parent_handler = NULL; girq->num_parents = 0;