Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	Documentation/powerpc/booting-without-of.txt
	drivers/atm/Makefile
	drivers/net/fs_enet/fs_enet-main.c
	drivers/pci/pci-acpi.c
	net/8021q/vlan.c
	net/iucv/iucv.c

16 files changed, 486 insertions, 72 deletions

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 4949dc4859be..fc85bf2e4a97 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -469,6 +469,16 @@ config RTC_DRV_VR41XX
 	  To compile this driver as a module, choose M here: the
 	  module will be called rtc-vr41xx.
 
+config RTC_DRV_PL030
+	tristate "ARM AMBA PL030 RTC"
+	depends on ARM_AMBA
+	help
+	  If you say Y here you will get access to ARM AMBA
+	  PrimeCell PL030 RTC found on certain ARM SOCs.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called rtc-pl030.
+
 config RTC_DRV_PL031
 	tristate "ARM AMBA PL031 RTC"
 	depends on ARM_AMBA
@@ -495,12 +505,13 @@ config RTC_DRV_AT91RM9200
 	  this is powered by the backup power supply.
 
 config RTC_DRV_AT91SAM9
-	tristate "AT91SAM9x"
+	tristate "AT91SAM9x/AT91CAP9"
 	depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40)
 	help
-	  RTC driver for the Atmel AT91SAM9x internal RTT (Real Time Timer).
-	  These timers are powered by the backup power supply (such as a
-	  small coin cell battery), but do not need to be used as RTCs.
+	  RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT
+	  (Real Time Timer). These timers are powered by the backup power
+	  supply (such as a small coin cell battery), but do not need to
+	  be used as RTCs.
 
 	  (On AT91SAM9rl chips you probably want to use the dedicated RTC
 	  module and leave the RTT available for other uses.)
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index b6e14d51670b..b5d9d67df887 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -41,6 +41,7 @@ obj-$(CONFIG_RTC_DRV_MAX6902)	+= rtc-max6902.o
 obj-$(CONFIG_RTC_DRV_OMAP)	+= rtc-omap.o
 obj-$(CONFIG_RTC_DRV_PCF8563)	+= rtc-pcf8563.o
 obj-$(CONFIG_RTC_DRV_PCF8583)	+= rtc-pcf8583.o
+obj-$(CONFIG_RTC_DRV_PL030)	+= rtc-pl030.o
 obj-$(CONFIG_RTC_DRV_PL031)	+= rtc-pl031.o
 obj-$(CONFIG_RTC_DRV_PPC)	+= rtc-ppc.o
 obj-$(CONFIG_RTC_DRV_R9701)	+= rtc-r9701.o
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 7e3ad4f3b343..58b7336640ff 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -126,12 +126,25 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 	int err;
 	struct rtc_time before, now;
 	int first_time = 1;
+	unsigned long t_now, t_alm;
+	enum { none, day, month, year } missing = none;
+	unsigned days;
 
-	/* The lower level RTC driver may not be capable of filling
-	 * in all fields of the rtc_time struct (eg. rtc-cmos),
-	 * and so might instead return -1 in some fields.
-	 * We deal with that here by grabbing a current RTC timestamp
-	 * and using values from that for any missing (-1) values.
+	/* The lower level RTC driver may return -1 in some fields,
+	 * creating invalid alarm->time values, for reasons like:
+	 *
+	 *   - The hardware may not be capable of filling them in;
+	 *     many alarms match only on time-of-day fields, not
+	 *     day/month/year calendar data.
+	 *
+	 *   - Some hardware uses illegal values as "wildcard" match
+	 *     values, which non-Linux firmware (like a BIOS) may try
+	 *     to set up as e.g. "alarm 15 minutes after each hour".
+	 *     Linux uses only oneshot alarms.
+	 *
+	 * When we see that here, we deal with it by using values from
+	 * a current RTC timestamp for any missing (-1) values.  The
+	 * RTC driver prevents "periodic alarm" modes.
 	 *
 	 * But this can be racey, because some fields of the RTC timestamp
 	 * may have wrapped in the interval since we read the RTC alarm,
@@ -174,6 +187,10 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 		if (!alarm->enabled)
 			return 0;
 
+		/* full-function RTCs won't have such missing fields */
+		if (rtc_valid_tm(&alarm->time) == 0)
+			return 0;
+
 		/* get the "after" timestamp, to detect wrapped fields */
 		err = rtc_read_time(rtc, &now);
 		if (err < 0)
@@ -183,22 +200,85 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 	} while (   before.tm_min   != now.tm_min
 		 || before.tm_hour  != now.tm_hour
 		 || before.tm_mon   != now.tm_mon
-		 || before.tm_year  != now.tm_year
-		 || before.tm_isdst != now.tm_isdst);
+		 || before.tm_year  != now.tm_year);
 
-	/* Fill in any missing alarm fields using the timestamp */
+	/* Fill in the missing alarm fields using the timestamp; we
+	 * know there's at least one since alarm->time is invalid.
+	 */
 	if (alarm->time.tm_sec == -1)
 		alarm->time.tm_sec = now.tm_sec;
 	if (alarm->time.tm_min == -1)
 		alarm->time.tm_min = now.tm_min;
 	if (alarm->time.tm_hour == -1)
 		alarm->time.tm_hour = now.tm_hour;
-	if (alarm->time.tm_mday == -1)
+
+	/* For simplicity, only support date rollover for now */
+	if (alarm->time.tm_mday == -1) {
 		alarm->time.tm_mday = now.tm_mday;
-	if (alarm->time.tm_mon == -1)
+		missing = day;
+	}
+	if (alarm->time.tm_mon == -1) {
 		alarm->time.tm_mon = now.tm_mon;
-	if (alarm->time.tm_year == -1)
+		if (missing == none)
+			missing = month;
+	}
+	if (alarm->time.tm_year == -1) {
 		alarm->time.tm_year = now.tm_year;
+		if (missing == none)
+			missing = year;
+	}
+
+	/* with luck, no rollover is needed */
+	rtc_tm_to_time(&now, &t_now);
+	rtc_tm_to_time(&alarm->time, &t_alm);
+	if (t_now < t_alm)
+		goto done;
+
+	switch (missing) {
+
+	/* 24 hour rollover ... if it's now 10am Monday, an alarm that
+	 * that will trigger at 5am will do so at 5am Tuesday, which
+	 * could also be in the next month or year.  This is a common
+	 * case, especially for PCs.
+	 */
+	case day:
+		dev_dbg(&rtc->dev, "alarm rollover: %s\n", "day");
+		t_alm += 24 * 60 * 60;
+		rtc_time_to_tm(t_alm, &alarm->time);
+		break;
+
+	/* Month rollover ... if it's the 31th, an alarm on the 3rd will
+	 * be next month.  An alarm matching on the 30th, 29th, or 28th
+	 * may end up in the month after that!  Many newer PCs support
+	 * this type of alarm.
+	 */
+	case month:
+		dev_dbg(&rtc->dev, "alarm rollover: %s\n", "month");
+		do {
+			if (alarm->time.tm_mon < 11)
+				alarm->time.tm_mon++;
+			else {
+				alarm->time.tm_mon = 0;
+				alarm->time.tm_year++;
+			}
+			days = rtc_month_days(alarm->time.tm_mon,
+					alarm->time.tm_year);
+		} while (days < alarm->time.tm_mday);
+		break;
+
+	/* Year rollover ... easy except for leap years! */
+	case year:
+		dev_dbg(&rtc->dev, "alarm rollover: %s\n", "year");
+		do {
+			alarm->time.tm_year++;
+		} while (!rtc_valid_tm(&alarm->time));
+		break;
+
+	default:
+		dev_warn(&rtc->dev, "alarm rollover not handled\n");
+	}
+
+done:
 	return 0;
 }
 EXPORT_SYMBOL_GPL(rtc_read_alarm);
diff --git a/drivers/rtc/rtc-at32ap700x.c b/drivers/rtc/rtc-at32ap700x.c
index 2ef8cdfda4a7..90b9a6503e15 100644
--- a/drivers/rtc/rtc-at32ap700x.c
+++ b/drivers/rtc/rtc-at32ap700x.c
@@ -265,6 +265,7 @@ static int __init at32_rtc_probe(struct platform_device *pdev)
 	}
 
 	platform_set_drvdata(pdev, rtc);
+	device_init_wakeup(&pdev->dev, 1);
 
 	dev_info(&pdev->dev, "Atmel RTC for AT32AP700x at %08lx irq %ld\n",
 			(unsigned long)rtc->regs, rtc->irq);
@@ -284,6 +285,8 @@ static int __exit at32_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_at32ap700x *rtc = platform_get_drvdata(pdev);
 
+	device_init_wakeup(&pdev->dev, 0);
+
 	free_irq(rtc->irq, rtc);
 	iounmap(rtc->regs);
 	rtc_device_unregister(rtc->rtc);
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index 39e64ab1ecb7..9c3db934cc24 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -29,10 +29,6 @@
 #include <linux/completion.h>
 
 #include <asm/uaccess.h>
-#include <asm/rtc.h>
-
-#include <asm/mach/time.h>
-
 #include <asm/arch/at91_rtc.h>
 
 
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 38d8742a4bdf..f0246ef413a4 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -19,7 +19,6 @@
 #include <linux/interrupt.h>
 #include <linux/ioctl.h>
 
-#include <asm/mach/time.h>
 #include <asm/arch/board.h>
 #include <asm/arch/at91_rtt.h>
 
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 90dfa0df747a..0114a78b7cbb 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -13,6 +13,7 @@
 
 #include <linux/module.h>
 #include <linux/rtc.h>
+#include <linux/smp_lock.h>
 #include "rtc-core.h"
 
 static dev_t rtc_devt;
@@ -26,8 +27,11 @@ static int rtc_dev_open(struct inode *inode, struct file *file)
 					struct rtc_device, char_dev);
 	const struct rtc_class_ops *ops = rtc->ops;
 
-	if (test_and_set_bit_lock(RTC_DEV_BUSY, &rtc->flags))
-		return -EBUSY;
+	lock_kernel();
+	if (test_and_set_bit_lock(RTC_DEV_BUSY, &rtc->flags)) {
+		err = -EBUSY;
+		goto out;
+	}
 
 	file->private_data = rtc;
 
@@ -37,11 +41,13 @@ static int rtc_dev_open(struct inode *inode, struct file *file)
 		rtc->irq_data = 0;
 		spin_unlock_irq(&rtc->irq_lock);
 
-		return 0;
+		goto out;
 	}
 
 	/* something has gone wrong */
 	clear_bit_unlock(RTC_DEV_BUSY, &rtc->flags);
+out:
+	unlock_kernel();
 	return err;
 }
 
diff --git a/drivers/rtc/rtc-fm3130.c b/drivers/rtc/rtc-fm3130.c
index 11644c8fca82..abfdfcbaa059 100644
--- a/drivers/rtc/rtc-fm3130.c
+++ b/drivers/rtc/rtc-fm3130.c
@@ -55,7 +55,7 @@ struct fm3130 {
 	int			alarm;
 };
 static const struct i2c_device_id fm3130_id[] = {
-	{ "fm3130-rtc", 0 },
+	{ "fm3130", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, fm3130_id);
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index a3e0880b38fb..0a19c06019be 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -17,6 +17,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
+#include <linux/smp_lock.h>
 #include <linux/string.h>
 #include <linux/i2c.h>
 #include <linux/rtc.h>
@@ -655,12 +656,16 @@ static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 static int wdt_open(struct inode *inode, struct file *file)
 {
 	if (MINOR(inode->i_rdev) == WATCHDOG_MINOR) {
-		if (test_and_set_bit(0, &wdt_is_open))
+		lock_kernel();
+		if (test_and_set_bit(0, &wdt_is_open)) {
+			unlock_kernel();
 			return -EBUSY;
+		}
 		/*
 		 *	Activate
 		 */
 		wdt_is_open = 1;
+		unlock_kernel();
 		return 0;
 	}
 	return -ENODEV;
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index 58f81c774943..eb23d8423f42 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -22,7 +22,6 @@
 #include <linux/platform_device.h>
 
 #include <asm/io.h>
-#include <asm/mach/time.h>
 
 
 /* The OMAP1 RTC is a year/month/day/hours/minutes/seconds BCD clock
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index 0fc4c3630780..748a502a6355 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -302,6 +302,7 @@ static int pcf8563_remove(struct i2c_client *client)
 
 static const struct i2c_device_id pcf8563_id[] = {
 	{ "pcf8563", 0 },
+	{ "rtc8564", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, pcf8563_id);
diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c
new file mode 100644
index 000000000000..8448eeb9d675
--- /dev/null
+++ b/drivers/rtc/rtc-pl030.c
@@ -0,0 +1,217 @@
+/*
+ *  linux/drivers/rtc/rtc-pl030.c
+ *
+ *  Copyright (C) 2000-2001 Deep Blue Solutions Ltd.
+ *
+ * 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/rtc.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/amba/bus.h>
+#include <linux/io.h>
+
+#define RTC_DR		(0)
+#define RTC_MR		(4)
+#define RTC_STAT	(8)
+#define RTC_EOI		(8)
+#define RTC_LR		(12)
+#define RTC_CR		(16)
+#define RTC_CR_MIE	(1 << 0)
+
+struct pl030_rtc {
+	struct rtc_device	*rtc;
+	void __iomem		*base;
+};
+
+static irqreturn_t pl030_interrupt(int irq, void *dev_id)
+{
+	struct pl030_rtc *rtc = dev_id;
+	writel(0, rtc->base + RTC_EOI);
+	return IRQ_HANDLED;
+}
+
+static int pl030_open(struct device *dev)
+{
+	return 0;
+}
+
+static void pl030_release(struct device *dev)
+{
+}
+
+static int pl030_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
+{
+	return -ENOIOCTLCMD;
+}
+
+static int pl030_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct pl030_rtc *rtc = dev_get_drvdata(dev);
+
+	rtc_time_to_tm(readl(rtc->base + RTC_MR), &alrm->time);
+	return 0;
+}
+
+static int pl030_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct pl030_rtc *rtc = dev_get_drvdata(dev);
+	unsigned long time;
+	int ret;
+
+	/*
+	 * At the moment, we can only deal with non-wildcarded alarm times.
+	 */
+	ret = rtc_valid_tm(&alrm->time);
+	if (ret == 0)
+		ret = rtc_tm_to_time(&alrm->time, &time);
+	if (ret == 0)
+		writel(time, rtc->base + RTC_MR);
+	return ret;
+}
+
+static int pl030_read_time(struct device *dev, struct rtc_time *tm)
+{
+	struct pl030_rtc *rtc = dev_get_drvdata(dev);
+
+	rtc_time_to_tm(readl(rtc->base + RTC_DR), tm);
+
+	return 0;
+}
+
+/*
+ * Set the RTC time.  Unfortunately, we can't accurately set
+ * the point at which the counter updates.
+ *
+ * Also, since RTC_LR is transferred to RTC_CR on next rising
+ * edge of the 1Hz clock, we must write the time one second
+ * in advance.
+ */
+static int pl030_set_time(struct device *dev, struct rtc_time *tm)
+{
+	struct pl030_rtc *rtc = dev_get_drvdata(dev);
+	unsigned long time;
+	int ret;
+
+	ret = rtc_tm_to_time(tm, &time);
+	if (ret == 0)
+		writel(time + 1, rtc->base + RTC_LR);
+
+	return ret;
+}
+
+static const struct rtc_class_ops pl030_ops = {
+	.open		= pl030_open,
+	.release	= pl030_release,
+	.ioctl		= pl030_ioctl,
+	.read_time	= pl030_read_time,
+	.set_time	= pl030_set_time,
+	.read_alarm	= pl030_read_alarm,
+	.set_alarm	= pl030_set_alarm,
+};
+
+static int pl030_probe(struct amba_device *dev, void *id)
+{
+	struct pl030_rtc *rtc;
+	int ret;
+
+	ret = amba_request_regions(dev, NULL);
+	if (ret)
+		goto err_req;
+
+	rtc = kmalloc(sizeof(*rtc), GFP_KERNEL);
+	if (!rtc) {
+		ret = -ENOMEM;
+		goto err_rtc;
+	}
+
+	rtc->base = ioremap(dev->res.start, SZ_4K);
+	if (!rtc->base) {
+		ret = -ENOMEM;
+		goto err_map;
+	}
+
+	__raw_writel(0, rtc->base + RTC_CR);
+	__raw_writel(0, rtc->base + RTC_EOI);
+
+	amba_set_drvdata(dev, rtc);
+
+	ret = request_irq(dev->irq[0], pl030_interrupt, IRQF_DISABLED,
+			  "rtc-pl030", rtc);
+	if (ret)
+		goto err_irq;
+
+	rtc->rtc = rtc_device_register("pl030", &dev->dev, &pl030_ops,
+				       THIS_MODULE);
+	if (IS_ERR(rtc->rtc)) {
+		ret = PTR_ERR(rtc->rtc);
+		goto err_reg;
+	}
+
+	return 0;
+
+ err_reg:
+	free_irq(dev->irq[0], rtc);
+ err_irq:
+	iounmap(rtc->base);
+ err_map:
+	kfree(rtc);
+ err_rtc:
+	amba_release_regions(dev);
+ err_req:
+	return ret;
+}
+
+static int pl030_remove(struct amba_device *dev)
+{
+	struct pl030_rtc *rtc = amba_get_drvdata(dev);
+
+	amba_set_drvdata(dev, NULL);
+
+	writel(0, rtc->base + RTC_CR);
+
+	free_irq(dev->irq[0], rtc);
+	rtc_device_unregister(rtc->rtc);
+	iounmap(rtc->base);
+	kfree(rtc);
+	amba_release_regions(dev);
+
+	return 0;
+}
+
+static struct amba_id pl030_ids[] = {
+	{
+		.id	= 0x00041030,
+		.mask	= 0x000fffff,
+	},
+	{ 0, 0 },
+};
+
+static struct amba_driver pl030_driver = {
+	.drv		= {
+		.name	= "rtc-pl030",
+	},
+	.probe		= pl030_probe,
+	.remove		= pl030_remove,
+	.id_table	= pl030_ids,
+};
+
+static int __init pl030_init(void)
+{
+	return amba_driver_register(&pl030_driver);
+}
+
+static void __exit pl030_exit(void)
+{
+	amba_driver_unregister(&pl030_driver);
+}
+
+module_init(pl030_init);
+module_exit(pl030_exit);
+
+MODULE_AUTHOR("Russell King <rmk@arm.linux.org.uk>");
+MODULE_DESCRIPTION("ARM AMBA PL030 RTC Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index 2fd49edcc712..08b4610ec5a6 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -12,23 +12,12 @@
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */
-
-#include <linux/platform_device.h>
 #include <linux/module.h>
 #include <linux/rtc.h>
 #include <linux/init.h>
-#include <linux/fs.h>
 #include <linux/interrupt.h>
-#include <linux/string.h>
-#include <linux/pm.h>
-#include <linux/bitops.h>
-
 #include <linux/amba/bus.h>
-
-#include <asm/io.h>
-#include <asm/hardware.h>
-#include <asm/irq.h>
-#include <asm/rtc.h>
+#include <linux/io.h>
 
 /*
  * Register definitions
@@ -142,13 +131,12 @@ static int pl031_remove(struct amba_device *adev)
 {
 	struct pl031_local *ldata = dev_get_drvdata(&adev->dev);
 
-	if (ldata) {
-		dev_set_drvdata(&adev->dev, NULL);
-		free_irq(adev->irq[0], ldata->rtc);
-		rtc_device_unregister(ldata->rtc);
-		iounmap(ldata->base);
-		kfree(ldata);
-	}
+	amba_set_drvdata(adev, NULL);
+	free_irq(adev->irq[0], ldata->rtc);
+	rtc_device_unregister(ldata->rtc);
+	iounmap(ldata->base);
+	kfree(ldata);
+	amba_release_regions(adev);
 
 	return 0;
 }
@@ -158,13 +146,15 @@ static int pl031_probe(struct amba_device *adev, void *id)
 	int ret;
 	struct pl031_local *ldata;
 
+	ret = amba_request_regions(adev, NULL);
+	if (ret)
+		goto err_req;
 
 	ldata = kmalloc(sizeof(struct pl031_local), GFP_KERNEL);
 	if (!ldata) {
 		ret = -ENOMEM;
 		goto out;
 	}
-	dev_set_drvdata(&adev->dev, ldata);
 
 	ldata->base = ioremap(adev->res.start,
 			      adev->res.end - adev->res.start + 1);
@@ -173,6 +163,8 @@ static int pl031_probe(struct amba_device *adev, void *id)
 		goto out_no_remap;
 	}
 
+	amba_set_drvdata(adev, ldata);
+
 	if (request_irq(adev->irq[0], pl031_interrupt, IRQF_DISABLED,
 			"rtc-pl031", ldata->rtc)) {
 		ret = -EIO;
@@ -192,10 +184,12 @@ out_no_rtc:
 	free_irq(adev->irq[0], ldata->rtc);
 out_no_irq:
 	iounmap(ldata->base);
+	amba_set_drvdata(adev, NULL);
 out_no_remap:
-	dev_set_drvdata(&adev->dev, NULL);
 	kfree(ldata);
 out:
+	amba_release_regions(adev);
+err_req:
 	return ret;
 }
 
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index f26e0cad8f16..fed86e507fdf 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -26,10 +26,6 @@
 #include <asm/uaccess.h>
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/rtc.h>
-
-#include <asm/mach/time.h>
-
 #include <asm/plat-s3c/regs-rtc.h>
 
 /* I have yet to find an S3C implementation with more than one
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 67421b0d3a7b..f47294c60148 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -33,7 +33,6 @@
 
 #include <asm/hardware.h>
 #include <asm/irq.h>
-#include <asm/rtc.h>
 
 #ifdef CONFIG_ARCH_PXA
 #include <asm/arch/pxa-regs.h>
@@ -47,6 +46,42 @@ static unsigned long rtc_freq = 1024;
 static struct rtc_time rtc_alarm;
 static DEFINE_SPINLOCK(sa1100_rtc_lock);
 
+static inline int rtc_periodic_alarm(struct rtc_time *tm)
+{
+	return  (tm->tm_year == -1) ||
+		((unsigned)tm->tm_mon >= 12) ||
+		((unsigned)(tm->tm_mday - 1) >= 31) ||
+		((unsigned)tm->tm_hour > 23) ||
+		((unsigned)tm->tm_min > 59) ||
+		((unsigned)tm->tm_sec > 59);
+}
+
+/*
+ * Calculate the next alarm time given the requested alarm time mask
+ * and the current time.
+ */
+static void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now, struct rtc_time *alrm)
+{
+	unsigned long next_time;
+	unsigned long now_time;
+
+	next->tm_year = now->tm_year;
+	next->tm_mon = now->tm_mon;
+	next->tm_mday = now->tm_mday;
+	next->tm_hour = alrm->tm_hour;
+	next->tm_min = alrm->tm_min;
+	next->tm_sec = alrm->tm_sec;
+
+	rtc_tm_to_time(now, &now_time);
+	rtc_tm_to_time(next, &next_time);
+
+	if (next_time < now_time) {
+		/* Advance one day */
+		next_time += 60 * 60 * 24;
+		rtc_time_to_tm(next_time, next);
+	}
+}
+
 static int rtc_update_alarm(struct rtc_time *alrm)
 {
 	struct rtc_time alarm_tm, now_tm;
diff --git a/drivers/rtc/rtc-x1205.c b/drivers/rtc/rtc-x1205.c
index eaf55945f21b..7dcfba1bbfe1 100644
--- a/drivers/rtc/rtc-x1205.c
+++ b/drivers/rtc/rtc-x1205.c
@@ -71,6 +71,7 @@
 #define X1205_SR_RTCF		0x01	/* Clock failure */
 #define X1205_SR_WEL		0x02	/* Write Enable Latch */
 #define X1205_SR_RWEL		0x04	/* Register Write Enable */
+#define X1205_SR_AL0		0x20	/* Alarm 0 match */
 
 #define X1205_DTR_DTR0		0x01
 #define X1205_DTR_DTR1		0x02
@@ -78,6 +79,8 @@
 
 #define X1205_HR_MIL		0x80	/* Set in ccr.hour for 24 hr mode */
 
+#define X1205_INT_AL0E		0x20	/* Alarm 0 enable */
+
 static struct i2c_driver x1205_driver;
 
 /*
@@ -89,8 +92,8 @@ static int x1205_get_datetime(struct i2c_client *client, struct rtc_time *tm,
 				unsigned char reg_base)
 {
 	unsigned char dt_addr[2] = { 0, reg_base };
-
 	unsigned char buf[8];
+	int i;
 
 	struct i2c_msg msgs[] = {
 		{ client->addr, 0, 2, dt_addr },	/* setup read ptr */
@@ -98,7 +101,7 @@ static int x1205_get_datetime(struct i2c_client *client, struct rtc_time *tm,
 	};
 
 	/* read date registers */
-	if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) {
+	if (i2c_transfer(client->adapter, &msgs[0], 2) != 2) {
 		dev_err(&client->dev, "%s: read error\n", __func__);
 		return -EIO;
 	}
@@ -110,6 +113,11 @@ static int x1205_get_datetime(struct i2c_client *client, struct rtc_time *tm,
 		buf[0], buf[1], buf[2], buf[3],
 		buf[4], buf[5], buf[6], buf[7]);
 
+	/* Mask out the enable bits if these are alarm registers */
+	if (reg_base < X1205_CCR_BASE)
+		for (i = 0; i <= 4; i++)
+			buf[i] &= 0x7F;
+
 	tm->tm_sec = BCD2BIN(buf[CCR_SEC]);
 	tm->tm_min = BCD2BIN(buf[CCR_MIN]);
 	tm->tm_hour = BCD2BIN(buf[CCR_HOUR] & 0x3F); /* hr is 0-23 */
@@ -138,7 +146,7 @@ static int x1205_get_status(struct i2c_client *client, unsigned char *sr)
 	};
 
 	/* read status register */
-	if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) {
+	if (i2c_transfer(client->adapter, &msgs[0], 2) != 2) {
 		dev_err(&client->dev, "%s: read error\n", __func__);
 		return -EIO;
 	}
@@ -147,10 +155,11 @@ static int x1205_get_status(struct i2c_client *client, unsigned char *sr)
 }
 
 static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm,
-				int datetoo, u8 reg_base)
+			int datetoo, u8 reg_base, unsigned char alm_enable)
 {
-	int i, xfer;
+	int i, xfer, nbytes;
 	unsigned char buf[8];
+	unsigned char rdata[10] = { 0, reg_base };
 
 	static const unsigned char wel[3] = { 0, X1205_REG_SR,
 						X1205_SR_WEL };
@@ -189,6 +198,11 @@ static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm,
 		buf[CCR_Y2K] = BIN2BCD(tm->tm_year / 100);
 	}
 
+	/* If writing alarm registers, set compare bits on registers 0-4 */
+	if (reg_base < X1205_CCR_BASE)
+		for (i = 0; i <= 4; i++)
+			buf[i] |= 0x80;
+
 	/* this sequence is required to unlock the chip */
 	if ((xfer = i2c_master_send(client, wel, 3)) != 3) {
 		dev_err(&client->dev, "%s: wel - %d\n", __func__, xfer);
@@ -200,19 +214,57 @@ static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm,
 		return -EIO;
 	}
 
+
 	/* write register's data */
-	for (i = 0; i < (datetoo ? 8 : 3); i++) {
-		unsigned char rdata[3] = { 0, reg_base + i, buf[i] };
+	if (datetoo)
+		nbytes = 8;
+	else
+		nbytes = 3;
+	for (i = 0; i < nbytes; i++)
+		rdata[2+i] = buf[i];
+
+	xfer = i2c_master_send(client, rdata, nbytes+2);
+	if (xfer != nbytes+2) {
+		dev_err(&client->dev,
+			"%s: result=%d addr=%02x, data=%02x\n",
+			__func__,
+			 xfer, rdata[1], rdata[2]);
+		return -EIO;
+	}
+
+	/* If we wrote to the nonvolatile region, wait 10msec for write cycle*/
+	if (reg_base < X1205_CCR_BASE) {
+		unsigned char al0e[3] = { 0, X1205_REG_INT, 0 };
+
+		msleep(10);
 
-		xfer = i2c_master_send(client, rdata, 3);
+		/* ...and set or clear the AL0E bit in the INT register */
+
+		/* Need to set RWEL again as the write has cleared it */
+		xfer = i2c_master_send(client, rwel, 3);
 		if (xfer != 3) {
 			dev_err(&client->dev,
-				"%s: xfer=%d addr=%02x, data=%02x\n",
+				"%s: aloe rwel - %d\n",
 				__func__,
-				 xfer, rdata[1], rdata[2]);
+				xfer);
+			return -EIO;
+		}
+
+		if (alm_enable)
+			al0e[2] = X1205_INT_AL0E;
+
+		xfer = i2c_master_send(client, al0e, 3);
+		if (xfer != 3) {
+			dev_err(&client->dev,
+				"%s: al0e - %d\n",
+				__func__,
+				xfer);
 			return -EIO;
 		}
-	};
+
+		/* and wait 10msec again for this write to complete */
+		msleep(10);
+	}
 
 	/* disable further writes */
 	if ((xfer = i2c_master_send(client, diswe, 3)) != 3) {
@@ -230,9 +282,9 @@ static int x1205_fix_osc(struct i2c_client *client)
 
 	tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
 
-	if ((err = x1205_set_datetime(client, &tm, 0, X1205_CCR_BASE)) < 0)
-		dev_err(&client->dev,
-			"unable to restart the oscillator\n");
+	err = x1205_set_datetime(client, &tm, 0, X1205_CCR_BASE, 0);
+	if (err < 0)
+		dev_err(&client->dev, "unable to restart the oscillator\n");
 
 	return err;
 }
@@ -248,7 +300,7 @@ static int x1205_get_dtrim(struct i2c_client *client, int *trim)
 	};
 
 	/* read dtr register */
-	if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) {
+	if (i2c_transfer(client->adapter, &msgs[0], 2) != 2) {
 		dev_err(&client->dev, "%s: read error\n", __func__);
 		return -EIO;
 	}
@@ -280,7 +332,7 @@ static int x1205_get_atrim(struct i2c_client *client, int *trim)
 	};
 
 	/* read atr register */
-	if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) {
+	if (i2c_transfer(client->adapter, &msgs[0], 2) != 2) {
 		dev_err(&client->dev, "%s: read error\n", __func__);
 		return -EIO;
 	}
@@ -403,14 +455,33 @@ static int x1205_validate_client(struct i2c_client *client)
 
 static int x1205_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 {
-	return x1205_get_datetime(to_i2c_client(dev),
-		&alrm->time, X1205_ALM0_BASE);
+	int err;
+	unsigned char intreg, status;
+	static unsigned char int_addr[2] = { 0, X1205_REG_INT };
+	struct i2c_client *client = to_i2c_client(dev);
+	struct i2c_msg msgs[] = {
+		{ client->addr, 0, 2, int_addr },        /* setup read ptr */
+		{ client->addr, I2C_M_RD, 1, &intreg },  /* read INT register */
+	};
+
+	/* read interrupt register and status register */
+	if (i2c_transfer(client->adapter, &msgs[0], 2) != 2) {
+		dev_err(&client->dev, "%s: read error\n", __func__);
+		return -EIO;
+	}
+	err = x1205_get_status(client, &status);
+	if (err == 0) {
+		alrm->pending = (status & X1205_SR_AL0) ? 1 : 0;
+		alrm->enabled = (intreg & X1205_INT_AL0E) ? 1 : 0;
+		err = x1205_get_datetime(client, &alrm->time, X1205_ALM0_BASE);
+	}
+	return err;
 }
 
 static int x1205_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 {
 	return x1205_set_datetime(to_i2c_client(dev),
-		&alrm->time, 1, X1205_ALM0_BASE);
+		&alrm->time, 1, X1205_ALM0_BASE, alrm->enabled);
 }
 
 static int x1205_rtc_read_time(struct device *dev, struct rtc_time *tm)
@@ -422,7 +493,7 @@ static int x1205_rtc_read_time(struct device *dev, struct rtc_time *tm)
 static int x1205_rtc_set_time(struct device *dev, struct rtc_time *tm)
 {
 	return x1205_set_datetime(to_i2c_client(dev),
-		tm, 1, X1205_CCR_BASE);
+		tm, 1, X1205_CCR_BASE, 0);
 }
 
 static int x1205_rtc_proc(struct device *dev, struct seq_file *seq)