rtc: rtc interfaces don't use class_device

This patch removes class_device from the programming interface that the RTC
framework exposes to the rest of the kernel.  Now an rtc_device is passed,
which is more type-safe and streamlines all the relevant code.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-By: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 16 insertions, 17 deletions

diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index f662ae1aa621..73ccd8fcc0c7 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -4,7 +4,7 @@
  * service. It is used with both the legacy mc146818 and also  EFI
  * Struct rtc_time and first 12 ioctl by Paul Gortmaker, 1996 - separated out
  * from <linux/mc146818rtc.h> to this file for 2.4 kernels.
- * 
+ *
  * Copyright (C) 1999 Hewlett-Packard Co.
  * Copyright (C) 1999 Stephane Eranian <eranian@hpl.hp.com>
  */
@@ -13,7 +13,7 @@
 
 /*
  * The struct used to pass data via the following ioctl. Similar to the
- * struct tm in <time.h>, but it needs to be here so that the kernel 
+ * struct tm in <time.h>, but it needs to be here so that the kernel
  * source is self contained, allowing cross-compiles, etc. etc.
  */
 
@@ -50,7 +50,7 @@ struct rtc_wkalrm {
  *   pll_value*pll_posmult/pll_clock
  * -ve pll_value means clock will run slower by
  *   pll_value*pll_negmult/pll_clock
- */ 
+ */
 
 struct rtc_pll_info {
         int pll_ctrl;       /* placeholder for fancier control */
@@ -174,29 +174,28 @@ extern struct rtc_device *rtc_device_register(const char *name,
                                         struct device *dev,
                                         const struct rtc_class_ops *ops,
                                         struct module *owner);
-extern void rtc_device_unregister(struct rtc_device *rdev);
-extern int rtc_interface_register(struct class_interface *intf);
+extern void rtc_device_unregister(struct rtc_device *rtc);
 
-extern int rtc_read_time(struct class_device *class_dev, struct rtc_time *tm);
-extern int rtc_set_time(struct class_device *class_dev, struct rtc_time *tm);
-extern int rtc_set_mmss(struct class_device *class_dev, unsigned long secs);
-extern int rtc_read_alarm(struct class_device *class_dev,
+extern int rtc_read_time(struct rtc_device *rtc, struct rtc_time *tm);
+extern int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm);
+extern int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs);
+extern int rtc_read_alarm(struct rtc_device *rtc,
                         struct rtc_wkalrm *alrm);
-extern int rtc_set_alarm(struct class_device *class_dev,
+extern int rtc_set_alarm(struct rtc_device *rtc,
                                 struct rtc_wkalrm *alrm);
-extern void rtc_update_irq(struct class_device *class_dev,
+extern void rtc_update_irq(struct rtc_device *rtc,
                         unsigned long num, unsigned long events);
 
-extern struct class_device *rtc_class_open(char *name);
-extern void rtc_class_close(struct class_device *class_dev);
+extern struct rtc_device *rtc_class_open(char *name);
+extern void rtc_class_close(struct rtc_device *rtc);
 
-extern int rtc_irq_register(struct class_device *class_dev,
+extern int rtc_irq_register(struct rtc_device *rtc,
                                 struct rtc_task *task);
-extern void rtc_irq_unregister(struct class_device *class_dev,
+extern void rtc_irq_unregister(struct rtc_device *rtc,
                                 struct rtc_task *task);
-extern int rtc_irq_set_state(struct class_device *class_dev,
+extern int rtc_irq_set_state(struct rtc_device *rtc,
                                 struct rtc_task *task, int enabled);
-extern int rtc_irq_set_freq(struct class_device *class_dev,
+extern int rtc_irq_set_freq(struct rtc_device *rtc,
                                 struct rtc_task *task, int freq);
 
 typedef struct rtc_task {