[ARM] 4406/1: Trivial NSLU2 / NAS-100D header & setup code cleanup

This trivial patch updates the nslu2 and nas-100d headers to
remove pointless GPIO defines, and updates nslu2-setup.c
accordingly. In addition minor style cleanups to some comments
are included.

Signed-off-by: Michael-Luke Jones <mlj28@cam.ac.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/arch-ixp4xx/nslu2.h b/include/asm-arm/arch-ixp4xx/nslu2.h
index 6b437f7..850fdc5 100644
--- a/include/asm-arm/arch-ixp4xx/nslu2.h
+++ b/include/asm-arm/arch-ixp4xx/nslu2.h
@@ -9,7 +9,7 @@
  * based on ixdp425.h:
  *	Copyright 2004 (c) MontaVista, Software, Inc.
  *
- * This file is licensed under  the terms of the GNU General Public
+ * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
@@ -34,36 +34,14 @@
 #define NSLU2_PCI_INTC_PIN	9
 #define NSLU2_PCI_INTD_PIN	8
 
-
 /* NSLU2 Timer */
 #define NSLU2_FREQ 66000000
-#define NSLU2_CLOCK_TICK_RATE (((NSLU2_FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ)
-#define NSLU2_CLOCK_TICKS_PER_USEC ((NSLU2_CLOCK_TICK_RATE + USEC_PER_SEC/2) / USEC_PER_SEC)
-
-/* GPIO */
-
-#define NSLU2_GPIO0		0
-#define NSLU2_GPIO1		1
-#define NSLU2_GPIO2		2
-#define NSLU2_GPIO3		3
-#define NSLU2_GPIO4		4
-#define NSLU2_GPIO5		5
-#define NSLU2_GPIO6		6
-#define NSLU2_GPIO7		7
-#define NSLU2_GPIO8		8
-#define NSLU2_GPIO9		9
-#define NSLU2_GPIO10		10
-#define NSLU2_GPIO11		11
-#define NSLU2_GPIO12		12
-#define NSLU2_GPIO13		13
-#define NSLU2_GPIO14		14
-#define NSLU2_GPIO15		15
 
 /* Buttons */
 
-#define NSLU2_PB_GPIO		NSLU2_GPIO5
-#define NSLU2_PO_GPIO		NSLU2_GPIO8	/* power off */
-#define NSLU2_RB_GPIO		NSLU2_GPIO12
+#define NSLU2_PB_GPIO		5
+#define NSLU2_PO_GPIO		8	/* power off */
+#define NSLU2_RB_GPIO		12
 
 #define NSLU2_PB_IRQ		IRQ_IXP4XX_GPIO5
 #define NSLU2_RB_IRQ		IRQ_IXP4XX_GPIO12
@@ -79,16 +57,16 @@
 
 /* LEDs */
 
-#define NSLU2_LED_RED		NSLU2_GPIO0
-#define NSLU2_LED_GRN		NSLU2_GPIO1
+#define NSLU2_LED_RED_GPIO	0
+#define NSLU2_LED_GRN_GPIO	1
 
-#define NSLU2_LED_RED_BM	(1L << NSLU2_LED_RED)
-#define NSLU2_LED_GRN_BM	(1L << NSLU2_LED_GRN)
+#define NSLU2_LED_RED_BM	(1L << NSLU2_LED_RED_GPIO)
+#define NSLU2_LED_GRN_BM	(1L << NSLU2_LED_GRN_GPIO)
 
-#define NSLU2_LED_DISK1		NSLU2_GPIO3
-#define NSLU2_LED_DISK2		NSLU2_GPIO2
+#define NSLU2_LED_DISK1_GPIO	3
+#define NSLU2_LED_DISK2_GPIO	2
 
-#define NSLU2_LED_DISK1_BM	(1L << NSLU2_GPIO2)
-#define NSLU2_LED_DISK2_BM	(1L << NSLU2_GPIO3)
+#define NSLU2_LED_DISK1_BM	(1L << NSLU2_LED_DISK1_GPIO)
+#define NSLU2_LED_DISK2_BM	(1L << NSLU2_LED_DISK2_GPIO)