remove kernel/platform.c

This was never used, and a bad idea to begin with. 

kernel/Makefile

@@ -3,13 +3,13 @@
 #
 
 export-objs = signal.o sys.o kmod.o workqueue.o ksyms.o pm.o exec_domain.o \
-		printk.o platform.o suspend.o dma.o module.o cpufreq.o \
+		printk.o suspend.o dma.o module.o cpufreq.o \
 		profile.o rcupdate.o intermodule.o params.o
 
 obj-y     = sched.o fork.o exec_domain.o panic.o printk.o profile.o \
 	    exit.o itimer.o time.o softirq.o resource.o \
 	    sysctl.o capability.o ptrace.o timer.o user.o \
-	    signal.o sys.o kmod.o workqueue.o futex.o platform.o pid.o \
+	    signal.o sys.o kmod.o workqueue.o futex.o pid.o \
 	    rcupdate.o intermodule.o extable.o params.o
 
 obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o

kernel/platform.c

-/*
- * platform driver support 
- */
-
-#include <linux/platform.h>
-#include <linux/module.h>
-#include <linux/errno.h>
-
-
-void default_reboot(char * cmd)
-{
-	/* nothing */
-}
-
-void default_halt(void)
-{
-	/* nothing */
-}
-
-int default_suspend(int state, int flags)
-{
-	return -ENOSYS;
-}
-
-static struct platform_t default_platform = {
-	.name		= "Default Platform",
-	.suspend_states	= 0,
-	.reboot		= default_reboot,
-	.halt		= default_halt,
-	.power_off	= default_halt,
-	.suspend	= default_suspend,
-	.idle		= default_idle,
-};
-
-struct platform_t * platform = &default_platform;
-static spinlock_t platform_lock = SPIN_LOCK_UNLOCKED;
-
-/**
- * set_platform_driver - set the platform driver.
- * @pf:	driver to set it to
- *
- * Return -EEXIST if someone else already owns it.
- */
-int set_platform_driver(struct platform_t * pf)
-{
-	if (!pf)
-		return -EINVAL;
-	spin_lock(&platform_lock);
-	if (platform != &default_platform) {
-		spin_unlock(&platform_lock);
-		return -EEXIST;
-	}
-	platform = pf;
-	spin_unlock(&platform_lock);
-	return 0;
-}
-
-void remove_platform_driver(struct platform_t * pf)
-{
-	spin_lock(&platform_lock);
-	if (platform == pf)
-		platform = &default_platform;
-	spin_unlock(&platform_lock);
-}
-
-EXPORT_SYMBOL(default_reboot);
-EXPORT_SYMBOL(default_halt);
-EXPORT_SYMBOL(default_suspend);
-
-EXPORT_SYMBOL(platform);
-EXPORT_SYMBOL(set_platform_driver);
-EXPORT_SYMBOL(remove_platform_driver);