1 files changed, 0 insertions, 256 deletions
diff --git a/ANDROID_3.4.5/arch/x86/kernel/rtc.c b/ANDROID_3.4.5/arch/x86/kernel/rtc.c
deleted file mode 100644
index af6db6ec..00000000
--- a/ANDROID_3.4.5/arch/x86/kernel/rtc.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * RTC related functions
- */
-#include <linux/platform_device.h>
-#include <linux/mc146818rtc.h>
-#include <linux/acpi.h>
-#include <linux/bcd.h>
-#include <linux/export.h>
-#include <linux/pnp.h>
-#include <linux/of.h>
-
-#include <asm/vsyscall.h>
-#include <asm/x86_init.h>
-#include <asm/time.h>
-#include <asm/mrst.h>
-
-#ifdef CONFIG_X86_32
-/*
- * This is a special lock that is owned by the CPU and holds the index
- * register we are working with.  It is required for NMI access to the
- * CMOS/RTC registers.  See include/asm-i386/mc146818rtc.h for details.
- */
-volatile unsigned long cmos_lock;
-EXPORT_SYMBOL(cmos_lock);
-#endif /* CONFIG_X86_32 */
-
-/* For two digit years assume time is always after that */
-#define CMOS_YEARS_OFFS 2000
-
-DEFINE_SPINLOCK(rtc_lock);
-EXPORT_SYMBOL(rtc_lock);
-
-/*
- * In order to set the CMOS clock precisely, set_rtc_mmss has to be
- * called 500 ms after the second nowtime has started, because when
- * nowtime is written into the registers of the CMOS clock, it will
- * jump to the next second precisely 500 ms later. Check the Motorola
- * MC146818A or Dallas DS12887 data sheet for details.
- *
- * BUG: This routine does not handle hour overflow properly; it just
- *      sets the minutes. Usually you'll only notice that after reboot!
- */
-int mach_set_rtc_mmss(unsigned long nowtime)
-{
-	int real_seconds, real_minutes, cmos_minutes;
-	unsigned char save_control, save_freq_select;
-	unsigned long flags;
-	int retval = 0;
-
-	spin_lock_irqsave(&rtc_lock, flags);
-
-	 /* tell the clock it's being set */
-	save_control = CMOS_READ(RTC_CONTROL);
-	CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL);
-
-	/* stop and reset prescaler */
-	save_freq_select = CMOS_READ(RTC_FREQ_SELECT);
-	CMOS_WRITE((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT);
-
-	cmos_minutes = CMOS_READ(RTC_MINUTES);
-	if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
-		cmos_minutes = bcd2bin(cmos_minutes);
-
-	/*
-	 * since we're only adjusting minutes and seconds,
-	 * don't interfere with hour overflow. This avoids
-	 * messing with unknown time zones but requires your
-	 * RTC not to be off by more than 15 minutes
-	 */
-	real_seconds = nowtime % 60;
-	real_minutes = nowtime / 60;
-	/* correct for half hour time zone */
-	if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1)
-		real_minutes += 30;
-	real_minutes %= 60;
-
-	if (abs(real_minutes - cmos_minutes) < 30) {
-		if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-			real_seconds = bin2bcd(real_seconds);
-			real_minutes = bin2bcd(real_minutes);
-		}
-		CMOS_WRITE(real_seconds, RTC_SECONDS);
-		CMOS_WRITE(real_minutes, RTC_MINUTES);
-	} else {
-		printk_once(KERN_NOTICE
-		       "set_rtc_mmss: can't update from %d to %d\n",
-		       cmos_minutes, real_minutes);
-		retval = -1;
-	}
-
-	/* The following flags have to be released exactly in this order,
-	 * otherwise the DS12887 (popular MC146818A clone with integrated
-	 * battery and quartz) will not reset the oscillator and will not
-	 * update precisely 500 ms later. You won't find this mentioned in
-	 * the Dallas Semiconductor data sheets, but who believes data
-	 * sheets anyway ...                           -- Markus Kuhn
-	 */
-	CMOS_WRITE(save_control, RTC_CONTROL);
-	CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT);
-
-	spin_unlock_irqrestore(&rtc_lock, flags);
-
-	return retval;
-}
-
-unsigned long mach_get_cmos_time(void)
-{
-	unsigned int status, year, mon, day, hour, min, sec, century = 0;
-	unsigned long flags;
-
-	spin_lock_irqsave(&rtc_lock, flags);
-
-	/*
-	 * If UIP is clear, then we have >= 244 microseconds before
-	 * RTC registers will be updated.  Spec sheet says that this
-	 * is the reliable way to read RTC - registers. If UIP is set
-	 * then the register access might be invalid.
-	 */
-	while ((CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP))
-		cpu_relax();
-
-	sec = CMOS_READ(RTC_SECONDS);
-	min = CMOS_READ(RTC_MINUTES);
-	hour = CMOS_READ(RTC_HOURS);
-	day = CMOS_READ(RTC_DAY_OF_MONTH);
-	mon = CMOS_READ(RTC_MONTH);
-	year = CMOS_READ(RTC_YEAR);
-
-#ifdef CONFIG_ACPI
-	if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID &&
-	    acpi_gbl_FADT.century)
-		century = CMOS_READ(acpi_gbl_FADT.century);
-#endif
-
-	status = CMOS_READ(RTC_CONTROL);
-	WARN_ON_ONCE(RTC_ALWAYS_BCD && (status & RTC_DM_BINARY));
-
-	spin_unlock_irqrestore(&rtc_lock, flags);
-
-	if (RTC_ALWAYS_BCD || !(status & RTC_DM_BINARY)) {
-		sec = bcd2bin(sec);
-		min = bcd2bin(min);
-		hour = bcd2bin(hour);
-		day = bcd2bin(day);
-		mon = bcd2bin(mon);
-		year = bcd2bin(year);
-	}
-
-	if (century) {
-		century = bcd2bin(century);
-		year += century * 100;
-		printk(KERN_INFO "Extended CMOS year: %d\n", century * 100);
-	} else
-		year += CMOS_YEARS_OFFS;
-
-	return mktime(year, mon, day, hour, min, sec);
-}
-
-/* Routines for accessing the CMOS RAM/RTC. */
-unsigned char rtc_cmos_read(unsigned char addr)
-{
-	unsigned char val;
-
-	lock_cmos_prefix(addr);
-	outb(addr, RTC_PORT(0));
-	val = inb(RTC_PORT(1));
-	lock_cmos_suffix(addr);
-
-	return val;
-}
-EXPORT_SYMBOL(rtc_cmos_read);
-
-void rtc_cmos_write(unsigned char val, unsigned char addr)
-{
-	lock_cmos_prefix(addr);
-	outb(addr, RTC_PORT(0));
-	outb(val, RTC_PORT(1));
-	lock_cmos_suffix(addr);
-}
-EXPORT_SYMBOL(rtc_cmos_write);
-
-int update_persistent_clock(struct timespec now)
-{
-	return x86_platform.set_wallclock(now.tv_sec);
-}
-
-/* not static: needed by APM */
-void read_persistent_clock(struct timespec *ts)
-{
-	unsigned long retval;
-
-	retval = x86_platform.get_wallclock();
-
-	ts->tv_sec = retval;
-	ts->tv_nsec = 0;
-}
-
-unsigned long long native_read_tsc(void)
-{
-	return __native_read_tsc();
-}
-EXPORT_SYMBOL(native_read_tsc);
-
-
-static struct resource rtc_resources[] = {
-	[0] = {
-		.start	= RTC_PORT(0),
-		.end	= RTC_PORT(1),
-		.flags	= IORESOURCE_IO,
-	},
-	[1] = {
-		.start	= RTC_IRQ,
-		.end	= RTC_IRQ,
-		.flags	= IORESOURCE_IRQ,
-	}
-};
-
-static struct platform_device rtc_device = {
-	.name		= "rtc_cmos",
-	.id		= -1,
-	.resource	= rtc_resources,
-	.num_resources	= ARRAY_SIZE(rtc_resources),
-};
-
-static __init int add_rtc_cmos(void)
-{
-#ifdef CONFIG_PNP
-	static const char *ids[] __initconst =
-	    { "PNP0b00", "PNP0b01", "PNP0b02", };
-	struct pnp_dev *dev;
-	struct pnp_id *id;
-	int i;
-
-	pnp_for_each_dev(dev) {
-		for (id = dev->id; id; id = id->next) {
-			for (i = 0; i < ARRAY_SIZE(ids); i++) {
-				if (compare_pnp_id(id, ids[i]) != 0)
-					return 0;
-			}
-		}
-	}
-#endif
-	if (of_have_populated_dt())
-		return 0;
-
-	/* Intel MID platforms don't have ioport rtc */
-	if (mrst_identify_cpu())
-		return -ENODEV;
-
-	platform_device_register(&rtc_device);
-	dev_info(&rtc_device.dev,
-		 "registered platform RTC device (no PNP device found)\n");
-
-	return 0;
-}
-device_initcall(add_rtc_cmos);