ARM: move LED support code out of arch/arm/kernel/time.c

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 116 insertions, 104 deletions

diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index dd00f747e2ad..eb0284cd8661 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -17,6 +17,7 @@ obj-y		:= compat.o elf.o entry-armv.o entry-common.o irq.o \
 		   process.o ptrace.o return_address.o setup.o signal.o \
 		   sys_arm.o stacktrace.o time.o traps.o
 
+obj-$(CONFIG_LEDS)		+= leds.o
 obj-$(CONFIG_OC_ETM)		+= etm.o
 
 obj-$(CONFIG_ISA_DMA_API)	+= dma.o
diff --git a/arch/arm/kernel/leds.c b/arch/arm/kernel/leds.c
new file mode 100644
index 000000000000..31a316c1777b
--- /dev/null
+++ b/arch/arm/kernel/leds.c
@@ -0,0 +1,115 @@
+/*
+ * LED support code, ripped out of arch/arm/kernel/time.c
+ *
+ *  Copyright (C) 1994-2001 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/sysdev.h>
+
+#include <asm/leds.h>
+
+static void dummy_leds_event(led_event_t evt)
+{
+}
+
+void (*leds_event)(led_event_t) = dummy_leds_event;
+
+struct leds_evt_name {
+	const char	name[8];
+	int		on;
+	int		off;
+};
+
+static const struct leds_evt_name evt_names[] = {
+	{ "amber", led_amber_on, led_amber_off },
+	{ "blue",  led_blue_on,  led_blue_off  },
+	{ "green", led_green_on, led_green_off },
+	{ "red",   led_red_on,   led_red_off   },
+};
+
+static ssize_t leds_store(struct sys_device *dev,
+			struct sysdev_attribute *attr,
+			const char *buf, size_t size)
+{
+	int ret = -EINVAL, len = strcspn(buf, " ");
+
+	if (len > 0 && buf[len] == '\0')
+		len--;
+
+	if (strncmp(buf, "claim", len) == 0) {
+		leds_event(led_claim);
+		ret = size;
+	} else if (strncmp(buf, "release", len) == 0) {
+		leds_event(led_release);
+		ret = size;
+	} else {
+		int i;
+
+		for (i = 0; i < ARRAY_SIZE(evt_names); i++) {
+			if (strlen(evt_names[i].name) != len ||
+			    strncmp(buf, evt_names[i].name, len) != 0)
+				continue;
+			if (strncmp(buf+len, " on", 3) == 0) {
+				leds_event(evt_names[i].on);
+				ret = size;
+			} else if (strncmp(buf+len, " off", 4) == 0) {
+				leds_event(evt_names[i].off);
+				ret = size;
+			}
+			break;
+		}
+	}
+	return ret;
+}
+
+static SYSDEV_ATTR(event, 0200, NULL, leds_store);
+
+static int leds_suspend(struct sys_device *dev, pm_message_t state)
+{
+	leds_event(led_stop);
+	return 0;
+}
+
+static int leds_resume(struct sys_device *dev)
+{
+	leds_event(led_start);
+	return 0;
+}
+
+static int leds_shutdown(struct sys_device *dev)
+{
+	leds_event(led_halted);
+	return 0;
+}
+
+static struct sysdev_class leds_sysclass = {
+	.name		= "leds",
+	.shutdown	= leds_shutdown,
+	.suspend	= leds_suspend,
+	.resume		= leds_resume,
+};
+
+static struct sys_device leds_device = {
+	.id		= 0,
+	.cls		= &leds_sysclass,
+};
+
+static int __init leds_init(void)
+{
+	int ret;
+	ret = sysdev_class_register(&leds_sysclass);
+	if (ret == 0)
+		ret = sysdev_register(&leds_device);
+	if (ret == 0)
+		ret = sysdev_create_file(&leds_device, &attr_event);
+	return ret;
+}
+
+device_initcall(leds_init);
+
+EXPORT_SYMBOL(leds_event);
diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index e26f966d117b..28753805d2d1 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -79,110 +79,6 @@ static unsigned long dummy_gettimeoffset(void)
 }
 #endif
 
-#ifdef CONFIG_LEDS
-
-static void dummy_leds_event(led_event_t evt)
-{
-}
-
-void (*leds_event)(led_event_t) = dummy_leds_event;
-
-struct leds_evt_name {
-	const char	name[8];
-	int		on;
-	int		off;
-};
-
-static const struct leds_evt_name evt_names[] = {
-	{ "amber", led_amber_on, led_amber_off },
-	{ "blue",  led_blue_on,  led_blue_off  },
-	{ "green", led_green_on, led_green_off },
-	{ "red",   led_red_on,   led_red_off   },
-};
-
-static ssize_t leds_store(struct sys_device *dev,
-			struct sysdev_attribute *attr,
-			const char *buf, size_t size)
-{
-	int ret = -EINVAL, len = strcspn(buf, " ");
-
-	if (len > 0 && buf[len] == '\0')
-		len--;
-
-	if (strncmp(buf, "claim", len) == 0) {
-		leds_event(led_claim);
-		ret = size;
-	} else if (strncmp(buf, "release", len) == 0) {
-		leds_event(led_release);
-		ret = size;
-	} else {
-		int i;
-
-		for (i = 0; i < ARRAY_SIZE(evt_names); i++) {
-			if (strlen(evt_names[i].name) != len ||
-			    strncmp(buf, evt_names[i].name, len) != 0)
-				continue;
-			if (strncmp(buf+len, " on", 3) == 0) {
-				leds_event(evt_names[i].on);
-				ret = size;
-			} else if (strncmp(buf+len, " off", 4) == 0) {
-				leds_event(evt_names[i].off);
-				ret = size;
-			}
-			break;
-		}
-	}
-	return ret;
-}
-
-static SYSDEV_ATTR(event, 0200, NULL, leds_store);
-
-static int leds_suspend(struct sys_device *dev, pm_message_t state)
-{
-	leds_event(led_stop);
-	return 0;
-}
-
-static int leds_resume(struct sys_device *dev)
-{
-	leds_event(led_start);
-	return 0;
-}
-
-static int leds_shutdown(struct sys_device *dev)
-{
-	leds_event(led_halted);
-	return 0;
-}
-
-static struct sysdev_class leds_sysclass = {
-	.name		= "leds",
-	.shutdown	= leds_shutdown,
-	.suspend	= leds_suspend,
-	.resume		= leds_resume,
-};
-
-static struct sys_device leds_device = {
-	.id		= 0,
-	.cls		= &leds_sysclass,
-};
-
-static int __init leds_init(void)
-{
-	int ret;
-	ret = sysdev_class_register(&leds_sysclass);
-	if (ret == 0)
-		ret = sysdev_register(&leds_device);
-	if (ret == 0)
-		ret = sysdev_create_file(&leds_device, &attr_event);
-	return ret;
-}
-
-device_initcall(leds_init);
-
-EXPORT_SYMBOL(leds_event);
-#endif
-
 #ifdef CONFIG_LEDS_TIMER
 static inline void do_leds(void)
 {