From patchwork Tue Sep 28 02:27:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 12521561 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA42EC433EF for ; Tue, 28 Sep 2021 02:29:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AA30361156 for ; Tue, 28 Sep 2021 02:29:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238767AbhI1CbK (ORCPT ); Mon, 27 Sep 2021 22:31:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55180 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238650AbhI1CbK (ORCPT ); Mon, 27 Sep 2021 22:31:10 -0400 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F8D6C061575; Mon, 27 Sep 2021 19:29:31 -0700 (PDT) Received: by mail-pj1-x1029.google.com with SMTP id h12so3505596pjj.1; Mon, 27 Sep 2021 19:29:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=T+nuZjtMi8lifdnlhi4/+fNb2Wj4qKRZZKIw/UMDjOI=; b=d6J2f0FeVpkXY5AhAWv6IeyoWbAJ1N7QPf4/aPgFI2+zScDU1JAV6BSHaPl1UxsVgg 9r3gmyD3pclxnSnqITasL9cdXveDnZajiiVWnrrOCpB8X742fqO8nnuVjisGO9xb800O tV0+3MC243XX0u4+5cMXe5+70cPKAW8oxYHvTficTCRSuficZQVBsFR6xbk5Waj7CNwp Fg22IceT2AQzkjp8w0s9YNZu4VvoJz8nn5epl2xVDkq0hrlEW46OlmsJmy/HuFjaoTy8 77sECY6n88P1UYhHfA9/zgkD8ohEDIVoVQCb/OpZirPmN7q1iwebCQ1WWT0Uu/8mqr5A 9xKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=T+nuZjtMi8lifdnlhi4/+fNb2Wj4qKRZZKIw/UMDjOI=; b=4qRFU5E9aXgfnBES+PU59pPKfrVCkP7INdOY0ltFtPPHaimFODydEQOuEgONSSwHYJ Hcw2/GaPGnXM+iPFcIwzrZcIMy4WE09rDm/sYOIh1DZjY8bXh63mTguFNor7/VqsxDMt ZqEQeiVQ3Hj6kEZUKvhJVqX0b2zhGFVcK+24vbwtt0EUT5CKMpIPVhu6jcWZR0WIxnwk 5DmMCUWIAots5WoJZv2HZhPw2+hbn8OL5csExcNK9SWcFggyV/7o0rcUNd8AnYfgBvSY S5r0xKyXd3mclIWgZUzN3XUnEq/0KehTWtDUkRxE47vDGHBps0cIcImzCcBW8syPVsCC Sf5Q== X-Gm-Message-State: AOAM5334zfO1wLwA8X+bKIRwSHo3h+8uvfrxJNcnYjZVpELf34zW9awP REFdNGZqTehp4Ek4/VFL3hYYWuKo43Q= X-Google-Smtp-Source: ABdhPJwfFa/cLXR6ZrxhszdYreZWklI52XpSp0IKqvnfcxbGm1yDHT78oie6L7f1lYIgfRojjYOSaA== X-Received: by 2002:a17:90a:a78e:: with SMTP id f14mr2526344pjq.235.1632796170728; Mon, 27 Sep 2021 19:29:30 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id k14sm633261pji.45.2021.09.27.19.29.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Sep 2021 19:29:30 -0700 (PDT) From: Florian Fainelli To: linux-kernel@vger.kernel.org Cc: Florian Fainelli , Russell King , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com (maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE...), Catalin Marinas , Will Deacon , Yoshinori Sato , Rich Felker , Thomas Gleixner , Marc Zyngier , Rob Herring , Frank Rowand , Ard Biesheuvel , Mike Rapoport , Linus Walleij , Andrew Morton , Geert Uytterhoeven , Arnd Bergmann , Guenter Roeck , Kefeng Wang , Mark Rutland , Andrey Konovalov , Anshuman Khandual , Valentin Schneider , Ingo Molnar , Peter Zijlstra , linux-arm-kernel@lists.infradead.org (moderated list:ARM PORT), linux-sh@vger.kernel.org (open list:SUPERH), linux-mips@vger.kernel.org (open list:BROADCOM BMIPS MIPS ARCHITECTURE), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE) Subject: [PATCH v2 09/12] irqchip/irq-bcm7120-l2: Switch to IRQCHIP_PLATFORM_DRIVER Date: Mon, 27 Sep 2021 19:27:12 -0700 Message-Id: <20210928022715.369160-10-f.fainelli@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210928022715.369160-1-f.fainelli@gmail.com> References: <20210928022715.369160-1-f.fainelli@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org Allow the user selection and building of this interrupt controller driver as a module since it is used on ARM/ARM64 based systems as a second level interrupt controller hanging off the ARM GIC and is therefore loadable during boot. To avoid using of_irq_count() which is not exported towards module, switch the driver to use the platform_device provided by the irqchip platform driver code and resolve the number of interrupts using platform_irq_count(). Signed-off-by: Florian Fainelli --- drivers/irqchip/Kconfig | 4 +++- drivers/irqchip/irq-bcm7120-l2.c | 28 ++++++++++++++++------------ 2 files changed, 19 insertions(+), 13 deletions(-) diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index dfe54bf9b35f..c7320bed5668 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -123,7 +123,9 @@ config BCM7038_L1_IRQ select GENERIC_IRQ_EFFECTIVE_AFF_MASK config BCM7120_L2_IRQ - bool + tristate "Broadcom STB 7120-style L2 interrupt controller driver" + depends on ARCH_BRCMSTB || BMIPS_GENERIC + default ARCH_BRCMSTB || BMIPS_GENERIC select GENERIC_IRQ_CHIP select IRQ_DOMAIN diff --git a/drivers/irqchip/irq-bcm7120-l2.c b/drivers/irqchip/irq-bcm7120-l2.c index f23d7651ea84..9b1edf7747fd 100644 --- a/drivers/irqchip/irq-bcm7120-l2.c +++ b/drivers/irqchip/irq-bcm7120-l2.c @@ -214,6 +214,7 @@ static int __init bcm7120_l2_intc_iomap_3380(struct device_node *dn, static int __init bcm7120_l2_intc_probe(struct device_node *dn, struct device_node *parent, + struct platform_device *pdev, int (*iomap_regs_fn)(struct device_node *, struct bcm7120_l2_intc_data *), const char *intc_name) @@ -230,7 +231,7 @@ static int __init bcm7120_l2_intc_probe(struct device_node *dn, if (!data) return -ENOMEM; - data->num_parent_irqs = of_irq_count(dn); + data->num_parent_irqs = platform_irq_count(pdev); if (data->num_parent_irqs <= 0) { pr_err("invalid number of parent interrupts\n"); ret = -ENOMEM; @@ -334,21 +335,24 @@ static int __init bcm7120_l2_intc_probe(struct device_node *dn, } static int __init bcm7120_l2_intc_probe_7120(struct device_node *dn, - struct device_node *parent) + struct device_node *parent, + struct platform_device *pdev) { - return bcm7120_l2_intc_probe(dn, parent, bcm7120_l2_intc_iomap_7120, - "BCM7120 L2"); + return bcm7120_l2_intc_probe(dn, parent, pdev, + bcm7120_l2_intc_iomap_7120, "BCM7120 L2"); } static int __init bcm7120_l2_intc_probe_3380(struct device_node *dn, - struct device_node *parent) + struct device_node *parent, + struct platform_device *pdev) { - return bcm7120_l2_intc_probe(dn, parent, bcm7120_l2_intc_iomap_3380, - "BCM3380 L2"); + return bcm7120_l2_intc_probe(dn, parent, pdev, + bcm7120_l2_intc_iomap_3380, "BCM3380 L2"); } -IRQCHIP_DECLARE(bcm7120_l2_intc, "brcm,bcm7120-l2-intc", - bcm7120_l2_intc_probe_7120); - -IRQCHIP_DECLARE(bcm3380_l2_intc, "brcm,bcm3380-l2-intc", - bcm7120_l2_intc_probe_3380); +IRQCHIP_PLATFORM_DRIVER_BEGIN(bcm7120_l2) +IRQCHIP_MATCH("brcm,bcm7120-l2-intc", bcm7120_l2_intc_probe_7120) +IRQCHIP_MATCH("brcm,bcm3380-l2-intc", bcm7120_l2_intc_probe_3380) +IRQCHIP_PLATFORM_DRIVER_END(bcm7120_l2) +MODULE_DESCRIPTION("Broadcom STB 7120-style L2 interrupt controller driver"); +MODULE_LICENSE("GPL v2");