linux-kernel - [PATCH v2 08/12] irqchip: Provide platform_device to of_irq_init_cb

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Message-Id: <20210928022715.369160-9-f.fainelli@gmail.com>
Date:   Mon, 27 Sep 2021 19:27:11 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com (maintainer:BROADCOM
        BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE...),
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Mike Rapoport <rppt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Arnd Bergmann <arnd@...db.de>,
        Guenter Roeck <linux@...ck-us.net>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Mark Rutland <mark.rutland@....com>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Valentin Schneider <valentin.schneider@....com>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM PORT),
        linux-sh@...r.kernel.org (open list:SUPERH),
        linux-mips@...r.kernel.org (open list:BROADCOM BMIPS MIPS ARCHITECTURE),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE)
Subject: [PATCH v2 08/12] 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.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/irqchip/irqchip.c | 2 +-
 drivers/of/irq.c          | 2 +-
 include/linux/of_irq.h    | 5 ++++-
 3 files changed, 6 insertions(+), 3 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/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