sh: comment tidying for sh64->sh migration.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

12 files changed, 55 insertions, 76 deletions

diff --git a/arch/sh/kernel/cpu/irq/intc-sh5.c b/arch/sh/kernel/cpu/irq/intc-sh5.c
index 49b845a31fff..43ee7a9a4f0b 100644
--- a/arch/sh/kernel/cpu/irq/intc-sh5.c
+++ b/arch/sh/kernel/cpu/irq/intc-sh5.c
@@ -1,18 +1,18 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
+ * arch/sh/kernel/cpu/irq/intc-sh5.c
  *
- * arch/sh64/kernel/irq_intc.c
+ * Interrupt Controller support for SH5 INTC.
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
  * Copyright (C) 2003  Paul Mundt
  *
- * Interrupt Controller support for SH5 INTC.
  * Per-interrupt selective. IRLM=0 (Fixed priority) is not
  * supported being useless without a cascaded interrupt
  * controller.
  *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
 #include <linux/init.h>
 #include <linux/interrupt.h>
diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S
index dbf2d7684502..ba8750176d91 100644
--- a/arch/sh/kernel/cpu/sh5/entry.S
+++ b/arch/sh/kernel/cpu/sh5/entry.S
@@ -1,14 +1,13 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * arch/sh64/kernel/entry.S
+ * arch/sh/kernel/cpu/sh5/entry.S
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
- * Copyright (C) 2004, 2005  Paul Mundt
- * Copyright (C) 2003, 2004 Richard Curnow
+ * Copyright (C) 2004 - 2007  Paul Mundt
+ * Copyright (C) 2003, 2004  Richard Curnow
  *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
 #include <linux/errno.h>
 #include <linux/sys.h>
diff --git a/arch/sh/kernel/cpu/sh5/fpu.c b/arch/sh/kernel/cpu/sh5/fpu.c
index 5a391b1a00e2..30b76a94abf2 100644
--- a/arch/sh/kernel/cpu/sh5/fpu.c
+++ b/arch/sh/kernel/cpu/sh5/fpu.c
@@ -1,9 +1,5 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * arch/sh64/kernel/fpu.c
+ * arch/sh/kernel/cpu/sh5/fpu.c
  *
  * Copyright (C) 2001  Manuela Cirronis, Paolo Alberelli
  * Copyright (C) 2002  STMicroelectronics Limited
@@ -12,8 +8,10 @@
  * Started from SH4 version:
  *   Copyright (C) 1999, 2000  Kaz Kojima & Niibe Yutaka
  *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
-
 #include <linux/sched.h>
 #include <linux/signal.h>
 #include <asm/processor.h>
diff --git a/arch/sh/kernel/cpu/sh5/switchto.S b/arch/sh/kernel/cpu/sh5/switchto.S
index 45b2d90eed7d..45c351b0f1ba 100644
--- a/arch/sh/kernel/cpu/sh5/switchto.S
+++ b/arch/sh/kernel/cpu/sh5/switchto.S
@@ -1,5 +1,5 @@
 /*
- * arch/sh64/kernel/switchto.S
+ * arch/sh/kernel/cpu/sh5/switchto.S
  *
  * sh64 context switch
  *
diff --git a/arch/sh/kernel/cpu/sh5/unwind.c b/arch/sh/kernel/cpu/sh5/unwind.c
index 1214c78e3584..119c20afd4e5 100644
--- a/arch/sh/kernel/cpu/sh5/unwind.c
+++ b/arch/sh/kernel/cpu/sh5/unwind.c
@@ -1,5 +1,5 @@
 /*
- * arch/sh64/kernel/unwind.c
+ * arch/sh/kernel/cpu/sh5/unwind.c
  *
  * Copyright (C) 2004  Paul Mundt
  * Copyright (C) 2004  Richard Curnow
diff --git a/arch/sh/kernel/head_64.S b/arch/sh/kernel/head_64.S
index d3479287b10a..f42d4c0feb76 100644
--- a/arch/sh/kernel/head_64.S
+++ b/arch/sh/kernel/head_64.S
@@ -1,23 +1,12 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * arch/sh64/kernel/head.S
+ * arch/sh/kernel/head_64.S
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
  * Copyright (C) 2003, 2004  Paul Mundt
  *
- *
- * benedict.gaster@superh.com:   2nd May 2002
- *    Moved definition of empty_zero_page to its own section allowing
- *    it to be placed at an absolute address known at load time.
- *
- * lethal@linux-sh.org:          9th May 2003
- *    Kill off GLOBAL_NAME() usage.
- *
- * lethal@linux-sh.org:          8th May 2004
- *    Add early SCIF console DTLB mapping.
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
 #include <asm/page.h>
 #include <asm/cache.h>
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index 973dd1a3d292..cff3b7dc9c56 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -421,19 +421,22 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
  */
 void exit_thread(void)
 {
-        /* See arch/sparc/kernel/process.c for the precedent for doing this -- RPC.
-
-           The SH-5 FPU save/restore approach relies on last_task_used_math
-           pointing to a live task_struct.  When another task tries to use the
-           FPU for the 1st time, the FPUDIS trap handling (see
-           arch/sh64/kernel/fpu.c) will save the existing FPU state to the
-           FP regs field within last_task_used_math before re-loading the new
-           task's FPU state (or initialising it if the FPU has been used
-           before).  So if last_task_used_math is stale, and its page has already been
-           re-allocated for another use, the consequences are rather grim. Unless we
-           null it here, there is no other path through which it would get safely
-           nulled. */
-
+        /*
+         * See arch/sparc/kernel/process.c for the precedent for doing
+         * this -- RPC.
+         *
+         * The SH-5 FPU save/restore approach relies on
+         * last_task_used_math pointing to a live task_struct.  When
+         * another task tries to use the FPU for the 1st time, the FPUDIS
+         * trap handling (see arch/sh/kernel/cpu/sh5/fpu.c) will save the
+         * existing FPU state to the FP regs field within
+         * last_task_used_math before re-loading the new task's FPU state
+         * (or initialising it if the FPU has been used before).  So if
+         * last_task_used_math is stale, and its page has already been
+         * re-allocated for another use, the consequences are rather
+         * grim. Unless we null it here, there is no other path through
+         * which it would get safely nulled.
+         */
 #ifdef CONFIG_SH_FPU
         if (last_task_used_math == current) {
                 last_task_used_math = NULL;
diff --git a/arch/sh/kernel/sh_ksyms_64.c b/arch/sh/kernel/sh_ksyms_64.c
index fbc991c33f5a..8004c38d3d37 100644
--- a/arch/sh/kernel/sh_ksyms_64.c
+++ b/arch/sh/kernel/sh_ksyms_64.c
@@ -1,12 +1,11 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * arch/sh64/kernel/sh_ksyms.c
+ * arch/sh/kernel/sh_ksyms_64.c
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
  *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
 #include <linux/rwsem.h>
 #include <linux/module.h>
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 922891960c33..80bde19d445b 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -1,16 +1,13 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * arch/sh64/kernel/signal.c
+ * arch/sh/kernel/signal_64.c
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
  * Copyright (C) 2003  Paul Mundt
  * Copyright (C) 2004  Richard Curnow
  *
- * Started from sh version.
- *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
 #include <linux/rwsem.h>
 #include <linux/sched.h>
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
index abb94c05d07a..98a93efe3691 100644
--- a/arch/sh/kernel/syscalls_64.S
+++ b/arch/sh/kernel/syscalls_64.S
@@ -1,5 +1,5 @@
 /*
- * arch/sh64/kernel/syscalls.S
+ * arch/sh/kernel/syscalls_64.S
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
  * Copyright (C) 2004 - 2007  Paul Mundt
diff --git a/arch/sh/kernel/time_64.c b/arch/sh/kernel/time_64.c
index 81003af8115a..f819ba38a6ce 100644
--- a/arch/sh/kernel/time_64.c
+++ b/arch/sh/kernel/time_64.c
@@ -1,9 +1,5 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * arch/sh64/kernel/time.c
+ * arch/sh/kernel/time_64.c
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
  * Copyright (C) 2003 - 2007  Paul Mundt
@@ -13,6 +9,10 @@
  *    Copyright (C) 1999  Tetsuya Okada & Niibe Yutaka
  *      Some code taken from i386 version.
  *      Copyright (C) 1991, 1992, 1995  Linus Torvalds
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
 #include <linux/errno.h>
 #include <linux/rwsem.h>
diff --git a/arch/sh/kernel/traps_64.c b/arch/sh/kernel/traps_64.c
index b8020f26b635..c0b3c6f6edb5 100644
--- a/arch/sh/kernel/traps_64.c
+++ b/arch/sh/kernel/traps_64.c
@@ -1,19 +1,13 @@
 /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * arch/sh64/kernel/traps.c
+ * arch/sh/kernel/traps_64.c
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
  * Copyright (C) 2003, 2004  Paul Mundt
  * Copyright (C) 2003, 2004  Richard Curnow
  *
- */
-
-/*
- * 'Traps.c' handles hardware traps and faults after we have saved some
- * state in 'entry.S'.
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
 #include <linux/sched.h>
 #include <linux/kernel.h>