5 files changed, 45 insertions, 104 deletions

diff --git a/drivers/rtc/rtc-ds1672.c b/drivers/rtc/rtc-ds1672.c
index 341d7a5b45a2..4e91419e8911 100644
--- a/drivers/rtc/rtc-ds1672.c
+++ b/drivers/rtc/rtc-ds1672.c
@@ -209,12 +209,18 @@ static int ds1672_probe(struct i2c_client *client,
         return err;
 }
 
+static struct i2c_device_id ds1672_id[] = {
+        { "ds1672", 0 },
+        { }
+};
+
 static struct i2c_driver ds1672_driver = {
         .driver = {
                    .name = "rtc-ds1672",
                    },
         .probe = &ds1672_probe,
         .remove = &ds1672_remove,
+        .id_table = ds1672_id,
 };
 
 static int __init ds1672_init(void)
diff --git a/drivers/rtc/rtc-max6900.c b/drivers/rtc/rtc-max6900.c
index 80782798763f..a4f6665ab3c5 100644
--- a/drivers/rtc/rtc-max6900.c
+++ b/drivers/rtc/rtc-max6900.c
@@ -247,12 +247,18 @@ max6900_probe(struct i2c_client *client, const struct i2c_device_id *id)
         return 0;
 }
 
+static struct i2c_device_id max6900_id[] = {
+        { "max6900", 0 },
+        { }
+};
+
 static struct i2c_driver max6900_driver = {
         .driver = {
                    .name = "rtc-max6900",
                    },
         .probe = max6900_probe,
         .remove = max6900_remove,
+        .id_table = max6900_id,
 };
 
 static int __init max6900_init(void)
diff --git a/drivers/rtc/rtc-starfire.c b/drivers/rtc/rtc-starfire.c
index 7ccb0dd700af..5be98bfd7ed3 100644
--- a/drivers/rtc/rtc-starfire.c
+++ b/drivers/rtc/rtc-starfire.c
@@ -6,7 +6,6 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/time.h>
 #include <linux/rtc.h>
 #include <linux/platform_device.h>
 
@@ -16,11 +15,6 @@ MODULE_AUTHOR("David S. Miller <davem@davemloft.net>");
 MODULE_DESCRIPTION("Starfire RTC driver");
 MODULE_LICENSE("GPL");
 
-struct starfire_rtc {
-        struct rtc_device       *rtc;
-        spinlock_t              lock;
-};
-
 static u32 starfire_get_time(void)
 {
         static char obp_gettod[32];
@@ -35,64 +29,31 @@ static u32 starfire_get_time(void)
 
 static int starfire_read_time(struct device *dev, struct rtc_time *tm)
 {
-        struct starfire_rtc *p = dev_get_drvdata(dev);
-        unsigned long flags, secs;
-
-        spin_lock_irqsave(&p->lock, flags);
-        secs = starfire_get_time();
-        spin_unlock_irqrestore(&p->lock, flags);
-
-        rtc_time_to_tm(secs, tm);
-
-        return 0;
-}
-
-static int starfire_set_time(struct device *dev, struct rtc_time *tm)
-{
-        unsigned long secs;
-        int err;
-
-        err = rtc_tm_to_time(tm, &secs);
-        if (err)
-                return err;
-
-        /* Do nothing, time is set using the service processor
-         * console on this platform.
-         */
-        return 0;
+        rtc_time_to_tm(starfire_get_time(), tm);
+        return rtc_valid_tm(tm);
 }
 
 static const struct rtc_class_ops starfire_rtc_ops = {
         .read_time      = starfire_read_time,
-        .set_time       = starfire_set_time,
 };
 
-static int __devinit starfire_rtc_probe(struct platform_device *pdev)
+static int __init starfire_rtc_probe(struct platform_device *pdev)
 {
-        struct starfire_rtc *p = kzalloc(sizeof(*p), GFP_KERNEL);
-
-        if (!p)
-                return -ENOMEM;
+        struct rtc_device *rtc = rtc_device_register("starfire", &pdev->dev,
+                                     &starfire_rtc_ops, THIS_MODULE);
+        if (IS_ERR(rtc))
+                return PTR_ERR(rtc);
 
-        spin_lock_init(&p->lock);
+        platform_set_drvdata(pdev, rtc);
 
-        p->rtc = rtc_device_register("starfire", &pdev->dev,
-                                     &starfire_rtc_ops, THIS_MODULE);
-        if (IS_ERR(p->rtc)) {
-                int err = PTR_ERR(p->rtc);
-                kfree(p);
-                return err;
-        }
-        platform_set_drvdata(pdev, p);
         return 0;
 }
 
-static int __devexit starfire_rtc_remove(struct platform_device *pdev)
+static int __exit starfire_rtc_remove(struct platform_device *pdev)
 {
-        struct starfire_rtc *p = platform_get_drvdata(pdev);
+        struct rtc_device *rtc = platform_get_drvdata(pdev);
 
-        rtc_device_unregister(p->rtc);
-        kfree(p);
+        rtc_device_unregister(rtc);
 
         return 0;
 }
@@ -102,13 +63,12 @@ static struct platform_driver starfire_rtc_driver = {
                 .name   = "rtc-starfire",
                 .owner  = THIS_MODULE,
         },
-        .probe          = starfire_rtc_probe,
-        .remove         = __devexit_p(starfire_rtc_remove),
+        .remove         = __exit_p(starfire_rtc_remove),
 };
 
 static int __init starfire_rtc_init(void)
 {
-        return platform_driver_register(&starfire_rtc_driver);
+        return platform_driver_probe(&starfire_rtc_driver, starfire_rtc_probe);
 }
 
 static void __exit starfire_rtc_exit(void)
diff --git a/drivers/rtc/rtc-sun4v.c b/drivers/rtc/rtc-sun4v.c
index 2012ccbb4a53..5b2261052a65 100644
--- a/drivers/rtc/rtc-sun4v.c
+++ b/drivers/rtc/rtc-sun4v.c
@@ -1,4 +1,4 @@
-/* rtc-sun4c.c: Hypervisor based RTC for SUN4V systems.
+/* rtc-sun4v.c: Hypervisor based RTC for SUN4V systems.
  *
  * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
  */
@@ -7,21 +7,11 @@
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/init.h>
-#include <linux/time.h>
 #include <linux/rtc.h>
 #include <linux/platform_device.h>
 
 #include <asm/hypervisor.h>
 
-MODULE_AUTHOR("David S. Miller <davem@davemloft.net>");
-MODULE_DESCRIPTION("SUN4V RTC driver");
-MODULE_LICENSE("GPL");
-
-struct sun4v_rtc {
-        struct rtc_device       *rtc;
-        spinlock_t              lock;
-};
-
 static unsigned long hypervisor_get_time(void)
 {
         unsigned long ret, time;
@@ -45,15 +35,7 @@ retry:
 
 static int sun4v_read_time(struct device *dev, struct rtc_time *tm)
 {
-        struct sun4v_rtc *p = dev_get_drvdata(dev);
-        unsigned long flags, secs;
-
-        spin_lock_irqsave(&p->lock, flags);
-        secs = hypervisor_get_time();
-        spin_unlock_irqrestore(&p->lock, flags);
-
-        rtc_time_to_tm(secs, tm);
-
+        rtc_time_to_tm(hypervisor_get_time(), tm);
         return 0;
 }
 
@@ -80,19 +62,14 @@ retry:
 
 static int sun4v_set_time(struct device *dev, struct rtc_time *tm)
 {
-        struct sun4v_rtc *p = dev_get_drvdata(dev);
-        unsigned long flags, secs;
+        unsigned long secs;
         int err;
 
         err = rtc_tm_to_time(tm, &secs);
         if (err)
                 return err;
 
-        spin_lock_irqsave(&p->lock, flags);
-        err = hypervisor_set_time(secs);
-        spin_unlock_irqrestore(&p->lock, flags);
-
-        return err;
+        return hypervisor_set_time(secs);
 }
 
 static const struct rtc_class_ops sun4v_rtc_ops = {
@@ -100,33 +77,22 @@ static const struct rtc_class_ops sun4v_rtc_ops = {
         .set_time       = sun4v_set_time,
 };
 
-static int __devinit sun4v_rtc_probe(struct platform_device *pdev)
+static int __init sun4v_rtc_probe(struct platform_device *pdev)
 {
-        struct sun4v_rtc *p = kzalloc(sizeof(*p), GFP_KERNEL);
-
-        if (!p)
-                return -ENOMEM;
-
-        spin_lock_init(&p->lock);
-
-        p->rtc = rtc_device_register("sun4v", &pdev->dev,
+        struct rtc_device *rtc = rtc_device_register("sun4v", &pdev->dev,
                                      &sun4v_rtc_ops, THIS_MODULE);
-        if (IS_ERR(p->rtc)) {
-                int err = PTR_ERR(p->rtc);
-                kfree(p);
-                return err;
-        }
-        platform_set_drvdata(pdev, p);
+        if (IS_ERR(rtc))
+                return PTR_ERR(rtc);
+
+        platform_set_drvdata(pdev, rtc);
         return 0;
 }
 
-static int __devexit sun4v_rtc_remove(struct platform_device *pdev)
+static int __exit sun4v_rtc_remove(struct platform_device *pdev)
 {
-        struct sun4v_rtc *p = platform_get_drvdata(pdev);
-
-        rtc_device_unregister(p->rtc);
-        kfree(p);
+        struct rtc_device *rtc = platform_get_drvdata(pdev);
 
+        rtc_device_unregister(rtc);
         return 0;
 }
 
@@ -135,13 +101,12 @@ static struct platform_driver sun4v_rtc_driver = {
                 .name   = "rtc-sun4v",
                 .owner  = THIS_MODULE,
         },
-        .probe          = sun4v_rtc_probe,
-        .remove         = __devexit_p(sun4v_rtc_remove),
+        .remove         = __exit_p(sun4v_rtc_remove),
 };
 
 static int __init sun4v_rtc_init(void)
 {
-        return platform_driver_register(&sun4v_rtc_driver);
+        return platform_driver_probe(&sun4v_rtc_driver, sun4v_rtc_probe);
 }
 
 static void __exit sun4v_rtc_exit(void)
@@ -151,3 +116,7 @@ static void __exit sun4v_rtc_exit(void)
 
 module_init(sun4v_rtc_init);
 module_exit(sun4v_rtc_exit);
+
+MODULE_AUTHOR("David S. Miller <davem@davemloft.net>");
+MODULE_DESCRIPTION("SUN4V RTC driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/rtc/rtc-twl4030.c b/drivers/rtc/rtc-twl4030.c
index abe87a4d2665..01d8da9afdc8 100644
--- a/drivers/rtc/rtc-twl4030.c
+++ b/drivers/rtc/rtc-twl4030.c
@@ -337,7 +337,7 @@ static int twl4030_rtc_ioctl(struct device *dev, unsigned int cmd,
 }
 
 #else
-#define omap_rtc_ioctl  NULL
+#define twl4030_rtc_ioctl       NULL
 #endif
 
 static irqreturn_t twl4030_rtc_interrupt(int irq, void *rtc)