linux-kernel - [PATCH v5 01/14] irqchip: Provide platform_device to of_irq_init_cb

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Message-Id: <20211019215855.1920099-2-f.fainelli@gmail.com>
Date:   Tue, 19 Oct 2021 14:58:42 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Rob Herring <robh@...nel.org>, Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com (maintainer:BROADCOM
        BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE...),
        Russell King <linux@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM
        SUB-ARCHITECTURES), linux-mips@...r.kernel.org (open list:MIPS),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE)
Subject: [PATCH v5 01/14] irqchip: Provide platform_device to of_irq_init_cb_t

Provide the platform device mapping to the interrupt controller node to
the of_irq_init_cb_t callback such that drivers can make use of it.

Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/irqchip/irqchip.c  | 2 +-
 drivers/irqchip/qcom-pdc.c | 3 ++-
 drivers/of/irq.c           | 2 +-
 include/linux/of_irq.h     | 5 ++++-
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/irqchip/irqchip.c b/drivers/irqchip/irqchip.c
index 3570f0a588c4..289784eefd00 100644
--- a/drivers/irqchip/irqchip.c
+++ b/drivers/irqchip/irqchip.c
@@ -55,6 +55,6 @@ int platform_irqchip_probe(struct platform_device *pdev)
 	if (par_np && !irq_find_matching_host(par_np, DOMAIN_BUS_ANY))
 		return -EPROBE_DEFER;
 
-	return irq_init_cb(np, par_np);
+	return irq_init_cb(np, par_np, pdev);
 }
 EXPORT_SYMBOL_GPL(platform_irqchip_probe);
diff --git a/drivers/irqchip/qcom-pdc.c b/drivers/irqchip/qcom-pdc.c
index 173e6520e06e..819a93360b96 100644
--- a/drivers/irqchip/qcom-pdc.c
+++ b/drivers/irqchip/qcom-pdc.c
@@ -359,7 +359,8 @@ static int pdc_setup_pin_mapping(struct device_node *np)
 	return 0;
 }
 
-static int qcom_pdc_init(struct device_node *node, struct device_node *parent)
+static int qcom_pdc_init(struct device_node *node, struct device_node *parent,
+			 struct platform_device *pdev)
 {
 	struct irq_domain *parent_domain, *pdc_domain, *pdc_gpio_domain;
 	int ret;
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 352e14b007e7..18f3f5c00c87 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -538,7 +538,7 @@ void __init of_irq_init(const struct of_device_id *matches)
 				 desc->dev,
 				 desc->dev, desc->interrupt_parent);
 			ret = desc->irq_init_cb(desc->dev,
-						desc->interrupt_parent);
+						desc->interrupt_parent, NULL);
 			if (ret) {
 				of_node_clear_flag(desc->dev, OF_POPULATED);
 				kfree(desc);
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index aaf219bd0354..89acc8b089f0 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -9,7 +9,10 @@
 #include <linux/ioport.h>
 #include <linux/of.h>
 
-typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *);
+struct platform_device;
+
+typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *,
+				struct platform_device *);
 
 /*
  * Workarounds only applied to 32bit powermac machines
-- 
2.25.1