genirq: Cleanup top of file comments

Remove pointless references to the file name itself and condense the
information so it wastes less space.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Kate Stewart <kstewart@linuxfoundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Link: https://lkml.kernel.org/r/20180314212030.412095827@linutronix.de

kernel/irq/autoprobe.c

 // SPDX-License-Identifier: GPL-2.0
 /*
- * linux/kernel/irq/autoprobe.c
- *
  * Copyright (C) 1992, 1998-2004 Linus Torvalds, Ingo Molnar
  *
  * This file contains the interrupt probing code and driver APIs.

kernel/irq/chip.c

 /*
- * linux/kernel/irq/chip.c
- *
  * Copyright (C) 1992, 1998-2006 Linus Torvalds, Ingo Molnar
  * Copyright (C) 2005-2006, Thomas Gleixner, Russell King
  *
- * This file contains the core interrupt handling code, for irq-chip
- * based architectures.
- *
- * Detailed information is available in Documentation/core-api/genericirq.rst
+ * This file contains the core interrupt handling code, for irq-chip based
+ * architectures. Detailed information is available in
+ * Documentation/core-api/genericirq.rst
  */
 
 #include <linux/irq.h>

kernel/irq/handle.c

 /*
- * linux/kernel/irq/handle.c
- *
  * Copyright (C) 1992, 1998-2006 Linus Torvalds, Ingo Molnar
  * Copyright (C) 2005-2006, Thomas Gleixner, Russell King
  *
- * This file contains the core interrupt handling code.
- *
- * Detailed information is available in Documentation/core-api/genericirq.rst
+ * This file contains the core interrupt handling code. Detailed
+ * information is available in Documentation/core-api/genericirq.rst
  *
  */
 

kernel/irq/ipi.c

 /*
- * linux/kernel/irq/ipi.c
- *
  * Copyright (C) 2015 Imagination Technologies Ltd
  * Author: Qais Yousef <qais.yousef@imgtec.com>
  *

kernel/irq/irqdesc.c

@@ -2,9 +2,8 @@
  * Copyright (C) 1992, 1998-2006 Linus Torvalds, Ingo Molnar
  * Copyright (C) 2005-2006, Thomas Gleixner, Russell King
  *
- * This file contains the interrupt descriptor management code
- *
- * Detailed information is available in Documentation/core-api/genericirq.rst
+ * This file contains the interrupt descriptor management code. Detailed
+ * information is available in Documentation/core-api/genericirq.rst
  *
  */
 #include <linux/irq.h>

kernel/irq/manage.c

 /*
- * linux/kernel/irq/manage.c
- *
  * Copyright (C) 1992, 1998-2006 Linus Torvalds, Ingo Molnar
  * Copyright (C) 2005-2006 Thomas Gleixner
  *

kernel/irq/msi.c

 /*
- * linux/kernel/irq/msi.c
- *
  * Copyright (C) 2014 Intel Corp.
  * Author: Jiang Liu <jiang.liu@linux.intel.com>
  *

kernel/irq/pm.c

 /*
- * linux/kernel/irq/pm.c
- *
  * Copyright (C) 2009 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc.
  *
  * This file contains power management functions related to interrupts.

kernel/irq/proc.c

 // SPDX-License-Identifier: GPL-2.0
 /*
- * linux/kernel/irq/proc.c
- *
  * Copyright (C) 1992, 1998-2004 Linus Torvalds, Ingo Molnar
  *
  * This file contains the /proc/irq/ handling code.

kernel/irq/resend.c

 // SPDX-License-Identifier: GPL-2.0
 /*
- * linux/kernel/irq/resend.c
- *
  * Copyright (C) 1992, 1998-2006 Linus Torvalds, Ingo Molnar
  * Copyright (C) 2005-2006, Thomas Gleixner
  *

kernel/irq/spurious.c

 // SPDX-License-Identifier: GPL-2.0
 /*
- * linux/kernel/irq/spurious.c
- *
  * Copyright (C) 1992, 1998-2004 Linus Torvalds, Ingo Molnar
  *
  * This file contains spurious interrupt handling.

kernel/irq/timings.c

 /*
- * linux/kernel/irq/timings.c
- *
  * Copyright (C) 2016, Linaro Ltd - Daniel Lezcano <daniel.lezcano@linaro.org>
  *
  * This program is free software; you can redistribute it and/or modify