[PATCH v4 09/14] irqchip: Provide platform_device to of_irq_init_cb_t

From: Florian Fainelli
Date: Fri Oct 08 2021 - 22:21:10 EST


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@xxxxxxxxxx>
Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
---
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