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Tue, 28 Sep 2021 11:22:38 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id x19sm20855288pfn.105.2021.09.28.11.22.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Sep 2021 11:22:38 -0700 (PDT) From: Florian Fainelli To: linux-kernel@vger.kernel.org Cc: Florian Fainelli , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com (maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE...), Russell King , Catalin Marinas , Will Deacon , Thomas Bogendoerfer , Thomas Gleixner , Marc Zyngier , Rob Herring , Frank Rowand , linux-arm-kernel@lists.infradead.org (moderated list:ARM SUB-ARCHITECTURES), linux-mips@vger.kernel.org (open list:MIPS), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE) Subject: [PATCH v3 11/14] irqchip/irq-bcm7120-l2: Switch to IRQCHIP_PLATFORM_DRIVER Date: Tue, 28 Sep 2021 11:21:36 -0700 Message-Id: <20210928182139.652896-12-f.fainelli@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210928182139.652896-1-f.fainelli@gmail.com> References: <20210928182139.652896-1-f.fainelli@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210928_112239_963419_2926D287 X-CRM114-Status: GOOD ( 19.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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");