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-rw-r--r--include/linux/irqchip.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/irqchip.h b/include/linux/irqchip.h
index 638887376e58..89c34b200671 100644
--- a/include/linux/irqchip.h
+++ b/include/linux/irqchip.h
@@ -11,6 +11,7 @@
#ifndef _LINUX_IRQCHIP_H
#define _LINUX_IRQCHIP_H
+#include <linux/acpi.h>
#include <linux/of.h>
/*
@@ -25,6 +26,22 @@
*/
#define IRQCHIP_DECLARE(name, compat, fn) OF_DECLARE_2(irqchip, name, compat, fn)
+/*
+ * This macro must be used by the different irqchip drivers to declare
+ * the association between their version and their initialization function.
+ *
+ * @name: name that must be unique accross all IRQCHIP_ACPI_DECLARE of the
+ * same file.
+ * @subtable: Subtable to be identified in MADT
+ * @validate: Function to be called on that subtable to check its validity.
+ * Can be NULL.
+ * @data: data to be checked by the validate function.
+ * @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)
+
#ifdef CONFIG_IRQCHIP
void irqchip_init(void);
#else

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