Import DPAA driver snapshot

Imported from Freescale Linux repository

git://git.freescale.com/ppc/upstream/linux.git

commit 2774c204cd8bfc56a200ff4dcdfc9cdf5b6fc161.

Linux compatibility layer is partly from FreeBSD.

rtemsbsd/powerpc/include/linux/interrupt.h

@@ -0,0 +1,67 @@
+/*-
+ * Copyright (c) 2010 Isilon Systems, Inc.
+ * Copyright (c) 2010 iX Systems, Inc.
+ * Copyright (c) 2010 Panasas, Inc.
+ * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice unmodified, this list of conditions, and the following
+ *    disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+#ifndef	_LINUX_INTERRUPT_H_
+#define	_LINUX_INTERRUPT_H_
+
+#include <linux/compiler.h>
+#include <linux/device.h>
+#include <rtems/irq-extension.h>
+
+typedef	irqreturn_t	(*irq_handler_t)(int, void *);
+
+#define	IRQ_RETVAL(x)	((x) != IRQ_NONE)
+
+#define	IRQF_SHARED	RTEMS_INTERRUPT_SHARED
+#define	IRQF_NO_SUSPEND	0
+
+#define	NO_IRQ (-1U)
+
+int __must_check request_irq(unsigned int irq, irq_handler_t handler,
+    unsigned long flags, const char *name, void *arg);
+
+static inline void
+free_irq(unsigned int irq, void *device)
+{
+
+	panic("free_irq()");
+}
+
+static inline int
+__must_check devm_request_irq(struct device *dev, unsigned int irq,
+    irq_handler_t handler, unsigned long flags, const char *name,
+    void *arg)
+{
+
+	(void)dev;
+	return (request_irq(irq, handler, flags, name, arg));
+}
+
+#endif	/* _LINUX_INTERRUPT_H_ */