[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: NMichael-Luke Jones <mlj28@cam.ac.uk>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-ixp4xx/nas100d-setup.c

@@ -155,7 +155,8 @@ static void __init nas100d_init(void)
 
 	pm_power_off = nas100d_power_off;
 
-	/* This is only useful on a modified machine, but it is valuable
+	/*
+	 * This is only useful on a modified machine, but it is valuable
 	 * to have it first in order to see debug messages, and so that
 	 * it does *not* get removed if platform_add_devices fails!
 	 */

arch/arm/mach-ixp4xx/nslu2-setup.c

@@ -50,26 +50,26 @@ static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = {
 static struct resource nslu2_led_resources[] = {
 	{
 		.name		= "ready",  /* green led */
-		.start		= NSLU2_LED_GRN,
-		.end		= NSLU2_LED_GRN,
+		.start		= NSLU2_LED_GRN_GPIO,
+		.end		= NSLU2_LED_GRN_GPIO,
 		.flags		= IXP4XX_GPIO_HIGH,
 	},
 	{
 		.name		= "status", /* red led */
-		.start		= NSLU2_LED_RED,
-		.end		= NSLU2_LED_RED,
+		.start		= NSLU2_LED_RED_GPIO,
+		.end		= NSLU2_LED_RED_GPIO,
 		.flags		= IXP4XX_GPIO_HIGH,
 	},
 	{
 		.name		= "disk-1",
-		.start		= NSLU2_LED_DISK1,
-		.end		= NSLU2_LED_DISK1,
+		.start		= NSLU2_LED_DISK1_GPIO,
+		.end		= NSLU2_LED_DISK1_GPIO,
 		.flags		= IXP4XX_GPIO_LOW,
 	},
 	{
 		.name		= "disk-2",
-		.start		= NSLU2_LED_DISK2,
-		.end		= NSLU2_LED_DISK2,
+		.start		= NSLU2_LED_DISK2_GPIO,
+		.end		= NSLU2_LED_DISK2_GPIO,
 		.flags		= IXP4XX_GPIO_LOW,
 	},
 };
@@ -181,7 +181,8 @@ static void __init nslu2_init(void)
 
 	pm_power_off = nslu2_power_off;
 
-	/* This is only useful on a modified machine, but it is valuable
+	/*
+	 * This is only useful on a modified machine, but it is valuable
 	 * to have it first in order to see debug messages, and so that
 	 * it does *not* get removed if platform_add_devices fails!
 	 */

include/asm-arm/arch-ixp4xx/nas100d.h

@@ -10,7 +10,7 @@
  * 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.
  */
@@ -36,31 +36,11 @@
 #define NAS100D_PCI_INTD_PIN	8
 #define NAS100D_PCI_INTE_PIN	7
 
-/* GPIO */
-
-#define NAS100D_GPIO0           0
-#define NAS100D_GPIO1           1
-#define NAS100D_GPIO2           2
-#define NAS100D_GPIO3           3
-#define NAS100D_GPIO4           4
-#define NAS100D_GPIO5           5
-#define NAS100D_GPIO6           6
-#define NAS100D_GPIO7           7
-#define NAS100D_GPIO8           8
-#define NAS100D_GPIO9           9
-#define NAS100D_GPIO10          10
-#define NAS100D_GPIO11          11
-#define NAS100D_GPIO12          12
-#define NAS100D_GPIO13          13
-#define NAS100D_GPIO14          14
-#define NAS100D_GPIO15          15
-
-
 /* Buttons */
 
-#define NAS100D_PB_GPIO         NAS100D_GPIO14
-#define NAS100D_RB_GPIO         NAS100D_GPIO4
-#define NAS100D_PO_GPIO         NAS100D_GPIO12   /* power off */
+#define NAS100D_PB_GPIO         14
+#define NAS100D_RB_GPIO         4
+#define NAS100D_PO_GPIO         12   /* power off */
 
 #define NAS100D_PB_IRQ          IRQ_IXP4XX_GPIO14
 #define NAS100D_RB_IRQ          IRQ_IXP4XX_GPIO4

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)