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-rw-r--r--include/linux/irqchip.h45
1 files changed, 41 insertions, 4 deletions
diff --git a/include/linux/irqchip.h b/include/linux/irqchip.h
index 950e4b2458f0..d5e6024cb2a8 100644
--- a/include/linux/irqchip.h
+++ b/include/linux/irqchip.h
@@ -12,7 +12,16 @@
#define _LINUX_IRQCHIP_H
#include <linux/acpi.h>
+#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/platform_device.h>
+
+/* Undefined on purpose */
+extern of_irq_init_cb_t typecheck_irq_init_cb;
+
+#define typecheck_irq_init_cb(fn) \
+ (__typecheck(typecheck_irq_init_cb, &fn) ? fn : fn)
/*
* This macro must be used by the different irqchip drivers to declare
@@ -21,10 +30,37 @@
*
* @name: name that must be unique across all IRQCHIP_DECLARE of the
* same file.
- * @compstr: compatible string of the irqchip driver
+ * @compat: compatible string of the irqchip driver
* @fn: initialization function
*/
-#define IRQCHIP_DECLARE(name, compat, fn) OF_DECLARE_2(irqchip, name, compat, fn)
+#define IRQCHIP_DECLARE(name, compat, fn) \
+ OF_DECLARE_2(irqchip, name, compat, typecheck_irq_init_cb(fn))
+
+extern int platform_irqchip_probe(struct platform_device *pdev);
+
+#define IRQCHIP_PLATFORM_DRIVER_BEGIN(drv_name) \
+static const struct of_device_id drv_name##_irqchip_match_table[] = {
+
+#define IRQCHIP_MATCH(compat, fn) { .compatible = compat, \
+ .data = typecheck_irq_init_cb(fn), },
+
+
+#define IRQCHIP_PLATFORM_DRIVER_END(drv_name, ...) \
+ {}, \
+}; \
+MODULE_DEVICE_TABLE(of, drv_name##_irqchip_match_table); \
+static struct platform_driver drv_name##_driver = { \
+ .probe = IS_ENABLED(CONFIG_IRQCHIP) ? \
+ platform_irqchip_probe : NULL, \
+ .driver = { \
+ .name = #drv_name, \
+ .owner = THIS_MODULE, \
+ .of_match_table = drv_name##_irqchip_match_table, \
+ .suppress_bind_attrs = true, \
+ __VA_ARGS__ \
+ }, \
+}; \
+builtin_platform_driver(drv_name##_driver)
/*
* This macro must be used by the different irqchip drivers to declare
@@ -39,8 +75,9 @@
* @fn: initialization function
*/
#define IRQCHIP_ACPI_DECLARE(name, subtable, validate, data, fn) \
- ACPI_DECLARE_PROBE_ENTRY(irqchip, name, ACPI_SIG_MADT, \
- subtable, validate, data, fn)
+ ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(irqchip, name, \
+ ACPI_SIG_MADT, subtable, \
+ validate, data, fn)
#ifdef CONFIG_IRQCHIP
void irqchip_init(void);