Merge tag 'please-pull-pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl...

[firefly-linux-kernel-4.4.55.git] / include / linux / irqchip.h

diff --git a/include/linux/irqchip.h b/include/linux/irqchip.h
index 638887376e582c83531ea663269ddfc1ef625a42..89c34b20067122f732073df0b3234dfab2a7fa48 100644 (file)
--- 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