Thread (19 messages) 19 messages, 4 authors, 2021-10-04

Re: [PATCH v3 09/14] irqchip: Provide platform_device to of_irq_init_cb_t

From: Rob Herring <robh+dt@kernel.org>
Date: 2021-09-28 19:36:20
Also in: linux-devicetree, linux-mips, lkml

On Tue, Sep 28, 2021 at 1:22 PM Florian Fainelli [off-list ref] wrote:
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@gmail.com>
---
 drivers/irqchip/irqchip.c | 2 +-
 drivers/of/irq.c          | 2 +-
 include/linux/of_irq.h    | 5 ++++-
 3 files changed, 6 insertions(+), 3 deletions(-)
Less invasive than I thought as we lose any function typing. Maybe at
least the one platform driver, drivers/irqchip/qcom-pdc.c, should have
its function parameters updated.

Reviewed-by: Rob Herring <robh@kernel.org>
quoted hunk ↗ jump to hunk
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
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help